The cells that supply the hair follicle remain active, so the potential for re-growth is always there. |
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During the last phase, known as the luteal phase, the follicle collapses and the corpus luteum is formed if pregnancy does not occur. |
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Each hair is made of tough and stretchable protein called keratin, manufactured by the hair follicle. |
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Feather morphology is an emergent feature of these processes, plus the assembly mechanism inherent in the follicle. |
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If the plugged follicle, or comedo, stays beneath the skin, it is called a closed comedo and produces a white bump called a whitehead. |
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The root of the hair extends down into the follicle and widens into a bulb at its base, which is the center of hair growth. |
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When active, the stem cells proliferate and expand, building up the follicle and producing cells that make new hair. |
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Earliest changes in the hair follicle occur when the follicular canal becomes blocked with abnormally keratinized desquamating cells. |
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For more severe infections involving the entire follicle, you may need oral antibiotics or broad-spectrum antifungal agents. |
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The ventral follicle cells produce proteins, like pipe, that are only deposited in the ventral vitelline envelope. |
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The cells remaining in the ruptured follicle proliferate rapidly and form the corpus luteum. |
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Hormone assays for serum estrogen, progesterone, prolactin, luteinizing hormone, follicle stimulating hormone and testosterone were performed. |
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This results in atresia of the dominant follicle and re-initiation of follicular recruitment. |
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Furuncles and carbuncles occur as a follicular infection progresses deeper and extends out from the follicle. |
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As the follicle grows, the estrogen eventually reaches a threshold level that causes the cow to be in heat. |
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Yolk proteins may be produced in follicle cells or the ovary or even the hepatopancreas and fat body. |
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The basic acne lesion, called the comedo, is simply an enlarged and plugged hair follicle. |
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Each strand of hair grows from a follicle rooted in your skin's subcutaneous tissue. |
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In insects, the genes that encode the proteins of the egg membrane, the chorion, become amplified in the surrounding follicle cells. |
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Disorders of alopecia can be divided into those in which the hair follicle is normal and those in which the hair follicle is damaged. |
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Beaming the laser on small areas of your skin basically destroys the hair follicle and impairs its growth. |
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When a follicle is mature, the egg within it bursts out of the ovary, and the fallopian tube's fingerlike fimbria reach out and grab it. |
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These drugs penetrate the follicle and sebaceous gland well and decrease colonization by P. acnes. |
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Inside the gland, multiple follicle pouches join to form excretory ducts, which empty into the urethra. |
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This ingredient exfoliates the surface of the skin and reduces inflammation in the hair follicle, helping the hair to break through. |
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Further, research also shows that Benzoyl Peroxide will get rid of the hair follicle of dead cells to prevent further plugging of pores. |
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Pro-vitamin B5 and zinc serve as backup, latching on to the binding sites in the hair follicle where DHT would do its damage. |
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Laser systems emit a beam of light that passes through the skin to the hair follicle. |
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No one had been able to isolate stem cells from the hair follicle in this way before. |
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Folliculitis presents with a subcorneal pustule in the opening of a hair follicle, with surrounding neutrophilic infiltrate. |
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The hair follicle is located under the skin, houses the hair bulb and root, and is responsible for the hair's growth. |
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An expensive and often painful procedure, it involves inserting a needle directly into the hair follicle to electrocute the root. |
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They result when oil, dead skin cells and bacteria trapped in the hair follicle cause it to swell and eventually burst. |
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Electrolysis involves inserting a needle under your skin in order to zap an electric current through your hair follicle and damage it. |
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Acne is a disorder of the pilosebaceous unit, which is made up of a hair follicle, sebaceous gland and a hair. |
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Tiny needles are inserted into the hair follicle followed by an electrical charge that damages it, causing it to stop producing hair. |
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In hair follicle cells, for example, the wingless gene changes stem cells to skin cells. |
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Associated with the follicle are sebaceous glands and the arrector pili smooth muscle fiber bundle. |
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And your brain is putting out follicle stimulating hormone, trying to get the ovary to respond. |
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This inflammation of the entire follicle or the deeper portion of the hair follicle is called deep folliculitis. |
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This marker stains follicle mantle cells in routinely fixed and decalcified paraffin-embedded tissues. |
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Sebaceous glands develop at puberty in response to androgen stimulation and are attached to the follicle canal by sebaceous ducts. |
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Retention of the sebaceous secretions, and dilation of the follicle, may lead to cyst formation. |
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Near the hair follicle is the sebaceous gland, which is responsible for releasing sebum to fill the gaps of the cuticle cells. |
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The oily sebum rises up through the hair follicle, providing lubrication for your skin and hair. |
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Then, a fluid-filled space develops, to form the antrum of a tertiary follicle. |
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The mechanism of action by which minoxidil promotes hair growth is unknown, but it appears to act at the level of the hair follicle. |
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If the lipid material accumulates in the hair follicle, we have the formation of comedones, or blackheads. |
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If the hair remains attached to the follicle, clean the area and use tweezers or a razor to shave it off. |
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These two ingredients work synergistically for a greater effect, and will both exfoliate follicle walls and calm oil secretions. |
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A single follicle will produce different morphologies on the same bird in the same spot depending on which generation the feather is. |
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When DHT is produced locally within the hair follicle, it causes regular hairs to turn into miniature hairs, eventually killing the hair follicle. |
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But with first-time waxers, the hair follicle is often surrounded by something similar to a whitehead, so when you rip it out it can cause a bit of bleeding. |
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In a more advance stage, an atretic follicle is easily distinguished without examination of its internal structure by its deformed or shrunken appearance. |
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The follicle is composed of the germ cell, the oocyte, and surrounding follicle cells that originate from the epithelial cells of the germinal epithelium. |
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The usual remedies for unwanted hair include plucking, shaving, waxing or chemical depilatories, but all of them are temporary, as none damage the hair follicle. |
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These cells, about 40 m in diameter and termed primary oocytes, are enclosed within a single layer of squamous cells, forming a primordial follicle. |
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This is a chronic inflammation of the hair follicle and sebaceous gland characterized by pustules, comedones, cysts, and scars, and it affects most adolescents. |
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A new study measured the efficacy of estrogen, progesterone, Prolactin, luteinizing hormone, follicle stimulating hormone and testosterone on women with the disorder. |
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Furthermore, they may cause premature depletion of the follicle pool by induction of follicular atresia or oocyte apoptosis and, thereby, lead to reduced fertility. |
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As a basement membrane separates an epithelium from the underlying lamina propria or supportive tissue, so it also separates the follicle from the theca. |
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For example, students are made aware that production of estrogen in the follicle involves androgen production by thecal cells and aromatization by granulosal cells. |
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This creates heat and in some circumstances you can literally see the hairs popping out of the hair follicle as they explode from the energy they have absorbed. |
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The sebaceous glands make an oily substance called sebum that normally empties onto the skin surface through the opening of the follicle, commonly called a pore. |
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Hair follicle regeneration recapitulates embryonic development. |
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The feather is a skin appendage, like hair, that grows as a unique hollow tube from a follicle by the controlled proliferation of cells in a ring. |
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Lasers with wavelengths of 600-1100 nm penetrate deeply and are absorbed by eumelanin in the hair shaft and follicle, which is thought to be the target chromophore. |
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Eventually the hair follicle dies and the hair is permanently lost. |
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The first breakthrough in the development of insect cell culture was the report of maturation of testicular follicle cells to spermatocytes in a moth in an artificial medium. |
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First up is John Edwards, who will show Romney how to achieve that dry-hair look while keeping every follicle in place. |
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A fruit may consist of a single follicle or two joined follicles. |
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High levels of follicle Stimulating Hormone knocks us out of contention, unless we go to a specialist clinic. |
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Commonly known as an abscess or boil, a furuncle is a tender, erythematous, firm or fluctuant mass of walled-off purulent material, arising from the hair follicle. |
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This disease is a localized folliculitis, which is an inflammation of the hair follicle, and furunculosis or rupture of the hair follicle restricted to the chin and lips. |
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The hyperplastic follicular epithelium forms infoldings into the lumen of the follicle, producing a stellate outline. |
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Analysis of non-atretic quiescent and growing follicle numbers revealed that immature follicles were gradually lost after chemotherapy. |
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Relationship among preovulatory follicle, corpus luteum and progesterone in oestrus synchronized buffaloes. |
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They can be caused by a blockage in one of the glands of the skin, such as the sweat gland or derived from the sebaceous gland or hair follicle. |
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Mild acne begins in a hair follicle with its attached sebaceous gland, which produces the clear, oily sebum that lubricates the skin. |
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For each decade after 30, there's a 10-20 per cent reduction of these pigment-producing melanocytes in the hair follicle. |
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The dermal papilla is a highly active group of cells, and it is derived from the dermis mesenchyme, located at the base of the hair follicle. |
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In people with third-degree burns, for example, any regenerating skin appears as a growing island with a hair follicle at its center. |
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Bone morphogenic protein 4 as a follicle survival factor can promote primordial follicle development. |
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Superovulating cows with follicle stimulating hormone and pregnant mare's serum gonadotrophin. |
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The leading ovarian follicle is the structure that ruptures to release the mature egg. |
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The hair growth galvanizer, targeting hair follicle stem cells to reactivate hair growth. |
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In most cases, there was only one abnormal gametocyte per gonad follicle, and one to five infected gametocytes per section. |
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Typically on CD 13, the LH surge rises to a peak, causing resumption of meiosis and ovulation of the Graafian follicle. |
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Advancement of meiotic resumption in Graafian follicle by LH in relation to preovulatory ageing of rat oocytes. |
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The dominant follicle grows and prepares itself for ovulation, and is then called a Graafian follicle. |
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The follicle was regarded as influenced if it had an intact oocyte with partial detachment of the oocyte from surrounding granulose cells. |
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If the reservoir at the top of the hair follicle can replenish the growing hair bulb, pigment production continues. |
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It reduces androgen effects at the hair follicle and pilosebaceous unit, decreasing hirsutism and acne. |
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Primary feather follicle ablation in common pintails and a white-facted whistling duck. |
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In sheep and cattle, it takes about 40 days for an early antral follicle to reach the preovulary stage. |
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In addition to TrichoCyte, which induces new follicle formation, Intercytex is developing ProtoDerm, a bioactive that stimulates wound healing. |
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Mice treated for five days with one of two JAK inhibitors sprouted new hair within 10 days, greatly accelerating the hair follicle growth phase. |
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The hair is allowed to grow for a certain period of time and then the follicle stops and the hair falls out. |
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When bacteria also gets caught in the follicle, an infection starts, leading to whiteheads. |
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Second, androgens make ovarian cells more sensitive to follicle-stimulating hormone or FSH, which promotes follicle growth. |
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The release of GnRH from the hypothalamus then triggers the release of prolactin, follicle stimulating hormone, and LH from the pituitary gland. |
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A female patient with PCOS has androgen excess, oligomenorrhea, and infertility, because the follicle does not attach. |
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Total dose per donor was 240 mg of follicle stimulating hormone administered in decreasing dose during days 9, 10, 11, and 12 of the estrous cycle. |
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The exact mechanism of action is unknown, but it is thought to work by improving circulation around the hair follicle or binding to the DHT receptors in the hair bulb. |
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The outcome of its activity on follicles leads to drive a large number of developing follicles to atresia process and finally selection of a graafian follicle in each cycle. |
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Generally only the terminal follicle within an ovariole is vitellogenic, there being a distinct demarcation between the previtellarium and the vitellarium of the ovariole. |
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Expression and localization of the vascular endothelial growth factor and changes of microvessel density during hair follicle development of liaoning cashmere goats. |
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When exposed to a laser pulse, they create a focused photothermal effect in the sebaceous gland and follicle to reduce the number of inflammatory lesions or acne. |
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Isolated lymphoid follicle formation is inducible and dependent upon lymphotoxin-sufficient B lymphocytes, lymphotoxin beta receptor, and TNF receptor I function. |
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Testicular enlargement and elevated serum inhibin concentrations occur in patients with pituitary macroadenomas secreting follicle stimulating hormone. |
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A cow in standing estrus with an 11-mm follicle has the same chance of becoming pregnant and maintaining the pregnancy as a cow with a 16-mm follicle. |
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