tag:blogger.com,1999:blog-50903012468988811812024-03-13T10:35:47.177-07:00Hair FallingBaldness is not usually caused by a disease, but is related to aging, heredity, and testosterone. In addition to the common male and female patterns from a combination of these factors, other possible causes of hair loss, especially if in an unusual pattern,Vivekananda Homeopathy Clinic & Psychological Counseling Centerhttp://www.blogger.com/profile/16467762347534828044noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-5090301246898881181.post-68718073031666196712011-05-03T23:49:00.000-07:002011-05-03T23:49:46.801-07:00Hair Shampoo<h2 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif; font-size: small;"><br />
</span></h2><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">Shampoos have made major advances since they were originally introduced. Besides simply cleaning the hair, they can also repair and protect hair as well as provide luster and shine with certain additives.</span></div><h3 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif; font-size: small;">Soap Shampoo</span></h3><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">This is the original hair cleanser. This alkali-based product also contains oils and salts of fatty acids. Soap shampoos are effective cleansers and are inexpensive. However, they form a scum layer on hair when hard water is used (which accounts for the majority of water out there) so soap shampoos are relatively infrequently used today.</span></div><h4 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">Detergent Shampoo</span></h4><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">In the 1950s, detergent shampoos were developed since most people live with hard water. They are composed of principal surfactants for detergency and foaming power, secondary surfactants to condition the hair, and additives. The detergent shampoo works by transferring dirt with a lipophilic component to the rinse water with a hydrophilic component.</span></div><h5 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif; font-size: small;">Anionic Surfactants</span></h5><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">Anionic surfactants are the principal detergents used in detergent shampoos. Sodium lauryl sulfates and ammonium lauryl sulfates are very strong and alkaline cleansers but may be too irritative in individuals with chemically damaged hair. Disodium ricinoleamide MEA-sulfosuccinate may be a suitable alternative to these harsher agents but generally leave the hair in poor condition and are associated with a higher incidence of allergic contact dermatitis. Triethanoloamine (TEA) salts of alkyl sulfates are more easily tolerated and can be mixed with stronger detergents. Sarcosines clean poorly but leave the hair in better condition. Laureth sulfates are less irritating than lauryl sulfates but do not clean as vigorously.</span></div><h6 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif; font-size: small;">Nonionic Surfactants</span></h6><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">In general, nonionic surfactants act as secondary surfactants by increasing the quality of the lather, viscosity, and solubility. Examples are ethoxylated fatty alcohols, ethoxylated alkyl phenols, ethoxylated fatty amines, ethoxylated fatty amides, sorbitol esters, polyglycerol ether and amine oxide.</span></div><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"><strong>Amphoteric Surfactants</strong><br />
Amphoteric surfactants contain a balance of both positive and negative charges. They are very gentle cleansers and are the major components of baby shampoos. They are gentle in their cleansing and do not irritate the eyes. Examples include N-alkyl-amino acids, betaines, and alkyl imidazoline compounds.</span></div><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"><strong>Additives</strong><br />
Additives are used to provide other benefits other than cleansing. Beautifiers like hydrolyzed animal proteins are used to repair split ends by electrostatic attachment to the damaged hair. Thickeners like sodium chloride are used to give more viscosity to the shampoo product. Sequestering agents like polyphosphates and ethylenediamineetetraacetic acid keep calcium, iron, and magnesium salts from precipitating on the hair shaft. Preservatives like formaldehyde are used to prevent bacterial contamination to a water-based product like shampoo. Aesthetic additives help achieve the desired color and fragrance to improve marketability of the product. Tar, selenium sulfide, zinc pyrithione, salicylic acid, sulfur, and ketoconazole are therapeutic additives to treat conditions like psoriasis, seborrheic dermatitis, and dandruff.</span></div><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"><strong>Shampoos for Different Hair Types</strong><br />
A shampoo formulated for oily hair has a higher percentage of anionic surfactants, and a shampoo for dry hair would have a weaker anionic component. Limp or fine hair must be treated with shampoo that has fewer conditioners that can weigh down the hair but instead have more protein additives that can provide extra body. Permed or damaged hair must have a higher percentage of amphoteric surfactants or non-ionic surfactants to preserve the more vulnerable cuticle.</span></div><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"><br />
</span></div>Vivekananda Homeopathy Clinic & Psychological Counseling Centerhttp://www.blogger.com/profile/16467762347534828044noreply@blogger.com0tag:blogger.com,1999:blog-5090301246898881181.post-35261258503433837672011-05-03T23:41:00.000-07:002011-05-03T23:47:27.088-07:00Hair<h2 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif; font-size: small;"><br />
</span></h2><h2 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif; font-size: small;">Hair Anatomy </span></h2><div style="line-height: 20px; margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">Hair follicles cover the entire skin surface except the palms, soles, glans penis, and labia minora. There are approximately 5 million hair follicles on the body with 100,000 on the scalp. The scalp has the greatest density of hair follicles with roughly 300 to 500 hairs per square centimeter.</span></div><h3 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="font-size: small;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">The hair follicle may be divided anatomically into four parts:</span></span></h3><ol style="line-height: 20px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 5px; padding-left: 20px;"><table cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="http://www.blogger.com/goog_1273247258"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"><img alt="hair_anatomy" class="alignright size-full wp-image-187" height="400" src="http://hairtx.com/wp-content/uploads/2009/02/hair_anatomy.gif" style="border-color: initial; border-color: initial; border-style: initial; border-width: initial; margin-bottom: 5px; margin-left: auto; margin-right: auto; margin-top: 0px;" title="Hair Anatomy" width="396" /></span></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><a href="http://www.homeoall.com/"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif; font-size: small;"><br />
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</tbody></table><li><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">The bulb consisting of the dermal papilla and matrix</span></li>
<li><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">The suprabulbar area from the matrix to the insertion of the arrector pili muscle</span></li>
<li><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">The isthmus that extends from the insertion of the arrector pili muscle to the sebaceous gland</span></li>
<li><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">The infundibulum that extends from the sebaceous gland to the follicular orifice.</span></li>
</ol><h4 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">The lower portion of the hair follicle consists of five major portions:</span></h4><ol style="line-height: 20px; margin-bottom: 15px; margin-left: 0px; margin-right: 0px; margin-top: 5px; padding-left: 20px;"><li><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">the dermal papilla</span></li>
<li><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">the matrix</span></li>
<li><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">the hair shaft, consisting from inward to outward the medulla, cortex, and cuticle</span></li>
<li><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">the inner root sheath (IRS) consisting of the inner root sheath cuticle, Huxley’s layer, and Henle’s layer</span></li>
<li><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">the outer root sheath (ORS).</span></li>
</ol><div style="line-height: 20px; margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">The base of the follicle is invaginated by the dermal papilla, which has a capillary loop that passes through the papilla. Signal transduction and communication between the dermal papilla and the matrix cells influence how long and how thick the hair shaft will grow. The melanocytes within the matrix also produce the pigment in the hair shaft.</span></div><div style="line-height: 20px; margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">The hair medulla is only partially keratinized and therefore appears amorphous and may not always be present. The hair cortex cells lose their nuclei during their upward growth and do not contain any keratohyaline or trichohyaline granules unlike the ORS and IRS, respectively. The keratin of the cortex is hard in contrast to the IRS or epidermis, which are soft. The cuticle is firmly anchored to the IRS cuticle.</span></div><div style="line-height: 20px; margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">The cuticle of the IRS consists of a single layer of flattened overlapping cells that point downward and interlock tightly with the upward angled cells of the hair shaft cuticle. Huxley’s layer is composed of two cell layers, whereas the outer Henle’s layer is only one cell thick. Just before the isthmus, the IRS becomes fully keratinized but disintegrates at the level of the isthmus. Although the IRS is not present in the emerging hair shaft, the IRS serves as a strong scaffold in the lower portion of the hair follicle.</span></div><div style="line-height: 20px; margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">The ORS extends from the matrix all the way to the sebaceous gland, where it becomes the surface epidermis. The ORS is thinnest in the hair bulb and progressively becomes thicker with the thickest portion at the level of the isthmus.</span></div><div style="line-height: 20px; margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">The portion where the arrector pili muscle inserts is known as the bulge area and is thought to be the location for the stem cells that can help regenerate the hair follicle.</span></div><div><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"><br />
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<div style="line-height: 20px; margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"><strong>Hair Physiology;</strong>The appearance and function of the hair shaft can be affected by porosity, elasticity, and texture.</span></div><h3 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif; font-size: small;">Hair Porosity</span></h3><div style="line-height: 20px; margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">Porosity is defined as the hair shaft’s ability to absorb moisture. Without cuticular damage, the hair shaft is relatively impermeable to water and other substances. With changes caused by permanent waves, coloring, temperature or pH changes, the cuticle can be rendered more vulnerable permitting penetration and damage to the cortex. With repeated injury, the cuticle can be rendered permanently damaged allowing moisture to escape and making the hairy dry, brittle, and exhibit split ends.</span></div><div style="line-height: 20px; margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"><a href="http://www.homeoall.com/"><img alt="hair-porosity" class="alignnone size-thumbnail wp-image-193" height="150" src="http://hairtx.com/wp-content/uploads/2009/02/hair-porosity-150x150.jpg" style="border-bottom-width: 0px; border-color: initial; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; border-width: initial;" title="normal hair porosity" width="150" /> <img alt="hair-care" class="size-medium wp-image-192 alignnone" height="150" src="http://hairtx.com/wp-content/uploads/2009/02/hair-care-300x199.jpg" style="border-bottom-style: none; border-color: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial;" title="Hair Physiology" width="255" /> <img alt="hair-high-porosity" class="alignnone size-thumbnail wp-image-194" height="150" src="http://hairtx.com/wp-content/uploads/2009/02/hair-high-porosity-150x150.jpg" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-color: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-style: initial; border-top-style: none; border-top-width: 0px; border-width: initial;" title="high porosity hair" width="150" /></a></span></div><h4 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">Hair Elasticity</span></h4><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">Elasticity measures the tensile strength of the hair with a normal hair able to stretch to about 1 and 1/3 its original length with healthy hair able to support a 100-g weight without breaking. Elasticity is dependent upon a healthy cortex, and a hair shaft that has poor elasticity can break easily with grooming and with product application.</span></div><h5 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif; font-size: small;">Hair Texture</span></h5><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">Texture is affected by two determining factors: the thickness of the hair shaft and the feel of the hair itself. Wiry hair possesses its characteristics by virtue of the tight adhesion of the cuticle to the cortex and the flat arrangement of the cuticular scales. Wiry hairs may be more resistant to chemical alteration.</span></div><h6 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif; font-size: small;">Hair Permeability</span></h6><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">Permeability is affected by the degree of porosity, elasticity, and texture of the hair shaft with the porosity and texture having the major influences on permeability. Porosity clearly plays a greater role than texture. However, fine hair will absorb more applied product than coarse hair given the same degree of porosity. Coarse hair with great porosity will still have greater permeability than fine hair with low porosity.</span></div><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"><br />
</span></div><div style="line-height: 20px; margin-bottom: 15px; text-align: left;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"></span></div><h2 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif; font-size: small;">Hair Embryology Explained</span></h2><div style="margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">In utero, follicles begin formation on the scalp and then move downward to the remainder of the body. Lanugo hairs are the first to develop, which are characterized by their fine, short, and soft nature. These hairs disappear by the 32nd to 36th week of gestation but can persist in up to one third of newborns. Most hairs however change over to vellus hairs with 90% of the scalp hairs becoming larger and thicker terminal hairs. There are no further development of new follicles after birth.</span></div><div style="margin-bottom: 15px;"><br />
</div><h3 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif; font-size: small;">FORMATION OF THE EPITHELIAL PLACODE AND PRIMARY HAIR GERM</span></h3><div style="margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">In the human fetus, at about 10 weeks gestation, the hair follicle develops from a small collection of cells called the epithelial placode. Cells of the epithelial placode then begin to profilerate to form the primary hair germ, which in turn will develop into the epithelial portion of the hair follicle. The formation of hair follicles is predicated on multiple interactions between the epithelial cells and the mesechyme (primitive dermis). The first dermal signal arises in the mesenchyme that stimulates the overlying epithelium to generate regularly spaced placodes. The epithelial placode then causes an aggregation of cells in the underlying mesenchyme to form the dermal condensate, which ultimately becomes the dermal papilla. The dermal condensate then effects growth of the epithelial placode to create the mature follicle.</span></div><div style="margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"><br />
</span></div><div style="margin-bottom: 15px; text-align: center;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"><a href="http://www.homeoall.com/"><img alt="peg" class="size-full wp-image-134 aligncenter" height="426" src="http://hairtx.com/wp-content/uploads/2009/02/peg.gif" style="border-color: initial; border-color: initial; border-style: initial; border-width: initial; display: block; margin-left: auto; margin-right: auto;" title="peg" width="500" /></a></span></div><h4 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"><br />
</span></h4><h4 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">THE HAIR FOLLICLE PEG</span></h4><div style="margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">In the next stage, the primary hair germ elongates into a follicle peg. The mesenchymal cells that flank the peg develop into a fibrous sheath with the tip of the peg developing into the dermal papilla. Melanocytes responsible for the hair shaft pigment begin to migrate from the neural crest down to the region above the somite then through the dermis to the epidermis.</span></div><div style="margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;"><br class="spacer_" /></span></div><h5 style="font-weight: bold; line-height: 1.1em; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif; font-size: small;">THE HAIR BULBOUS PEG</span></h5><div style="margin-bottom: 15px;"><span class="Apple-style-span" style="color: #20124d; font-family: Verdana, sans-serif;">The bulbous peg arises from the elongation of the follicle peg. The epithelial cells within the bulbous base portion of the bulbous peg become the matrix cells, which will in turn give rise to the hair shaft and inner root sheath. The outer root sheath forms two bulges on the posterior portion of the hair follicle: the superficial bulge develops into the sebaceous gland, whereas the deeper bulge becomes the mature bulge area into which the arrector pili muscle inserts</span></div><br />
</div><div class="linkbox" style="background-image: url(http://www.hairtx.com/wp-content/themes/HairTX-APPLE/images/linkbox_middle.png); background-position: 50% 50%; background-repeat: no-repeat repeat; clear: both; display: block; font-size: 13px; line-height: 20px; margin-bottom: 5px; margin-left: 5px; margin-right: 5px; margin-top: 5px; width: 668px;"></div>Vivekananda Homeopathy Clinic & Psychological Counseling Centerhttp://www.blogger.com/profile/16467762347534828044noreply@blogger.com3