Epidermis and hair. Medical search. Frequent questions

Melanocytes can be found between the basal cells of the hair matrix. (medscape.com)
Melanin is transferred from these melanocytes into the cells that make up the hair shaft and is responsible for the color of the hair according to its quantity. (medscape.com)
Melanocyte stem cells, the source of melanocytes, are found in the lower portion of hair follicles. (nih.gov)
The findings will require confirmation in human studies, but they suggest that melanoma can arise from melanocyte stem cells in hair follicles as well as from melanocytes in skin layers. (nih.gov)
At about 8% of epidermal cells, melanocytes form the second most numerous cell type in the epidermis. (innerbody.com)
Melanin is produced by special cells called melanocytes in the epidermis. (cleanandclear.com)

Keratinocytes (ker-uh-TIH-no-sites) make keratin , a type of protein that's a basic component of hair, skin, and nails. (childrensmn.org)
Almost 90% of the epidermis is made of cells known as keratinocytes. (innerbody.com)
Keratinocytes develop from stem cells at the base of the epidermis and begin to produce and store the protein keratin. (innerbody.com)
The "bricks and mortar" cells of the epidermis are keratinocytes. (wikibooks.org)

Skin has three layers: the epidermis (ep-ih-DUR-mis), dermis (DUR-mis), and the subcutaneous (sub-kyoo-TAY-nee-us) tissue . (childrensmn.org)
The inner layer under the dermis (the subcutaneous layer) contains sweat glands, some hair follicles, blood vessels, and fat. (medlineplus.gov)
Below the epidermis lies the dermis and below that we find the subcutaneous fat, or subcutis. (wikibooks.org)
These follicles are located in the dermis, which is the skin layer between the epidermis (the surface layer) and the fat layer (also called the subcutaneous. (msdmanuals.com)

This is where our blood vessels, nerve endings, sweat glands, and hair follicles are. (childrensmn.org)
The tissue in this lay contains hair follicles and sweat glands and cushions the body from stress. (cleanandclear.com)
The dermis is the under layer that contains sweat glands, hair follicles, blood vessels, and more. (healthline.com)
However, researchers still can't grow functional skin, with hair follicles and sweat glands, to completion yet. (sciencefriday.com)
And it's not that surprising because sweat glands- these are mouse hairs, remember. (sciencefriday.com)
The epidermis is the visible surface, while the dermis resides just below it, housing nerve endings, sweat glands, and hair follicles. (thefrisky.com)
They can also damage your hair follicles and sweat glands. (wrbl.com)

The root's outer dermal tissue layer is the epidermis, a single layer of cells that protects the root and controls water and mineral absorption. (visiblebody.com)
The cortex is a ground tissue region found in monocot and dicot roots, located between the outer epidermis and the inner vascular structures. (visiblebody.com)
The stem's outer dermal tissue layer is the epidermis, a single layer of cells that prevents damage caused by sunlight, pathogens, and herbivores. (visiblebody.com)
A thick layer of tissue that lies below the epidermis. (cleanandclear.com)
Aging causes changes in the structural foundations of skin, hair, and nail tissue. (lifeextension.com)

The upper dermis showed underdeveloped hair follicles with sebaceous glands, consistent with sebaceous nevus. (mendeley.com)
The nutrient lives in sebaceous glands, which form the base of hair follicles. (medicalnewstoday.com)
These studies demonstrated that TDI-conjugated proteins were located mainly in the stratum cornum and in the epidermis particularly in hair follicles and associated sebaceous glands in the dermis. (cdc.gov)

The integumentary system is an organ system consisting of the skin, hair, nails, and exocrine glands. (innerbody.com)

Melanoma often first appears in the skin's outermost layer, the epidermis. (nih.gov)
The epidermis is the outermost layer that provides a protective, waterproof seal over the body. (healthline.com)

In skin reconstitution assays, hair follicles failed to form when dermis was depleted of both GFP + CD133 + and GFP - CD133 + cells. (biologists.com)
In mouse skin there are several distinct hair follicle types that differ in length, thickness and in the presence or absence of kinks in the hair shaft( Schlake, 2007 ). (biologists.com)
In the quest for clean, hair-free skin, individuals have used different types of hair elimination all through history. (ldepropertyconferences.com)
In the skin, proteoglycans (PG) and glycosaminoglycans (GAG) are present not only in the extracellular matrix of the dermis, but also in the epidermis. (cosmeticsandtoiletries.com)
Skinhairgium® BIO, rich in peptides & sugars, derived from Maca roots, is a high-performing ingredient for hair (growth, strength) and skin (anti-wrinkle, radiance). (cosmeticsandtoiletries.com)
The skin of Wnt5a TG mice was not psoriatic, but characterized with normal proliferation and homeostasis of epidermis. (nuigalway.ie)
These results suggest that increased Wnt5a expression alone is inadequate to induce psoriasis in the skin and possible involvement of Wnt5a in hair follicle cycling. (nuigalway.ie)
Collectively, the patterns of K14 and K14 mRNA expression and filament organization in mitotically active epithelial cells of the skin correlate with their relative degree of pluripotency, and this suggests a possible basis for the deviation of hair follicle programs of differentiation from those of other stratified squamous epithelia. (silverchair.com)
Anagen hairs vary in size from large terminal hairs, such as those on the scalp, to the small vellus hairs that cover almost the entire glabrous skin (except palms and soles). (medscape.com)
It is the key structural material making up scales , hair , nails , feathers , horns , claws , hooves , and the outer layer of skin among vertebrates. (wikipedia.org)
They form the hair (including wool ), the outer layer of skin , horns , nails , claws and hooves of mammals, and the slime threads of hagfish . (wikipedia.org)
Lichen planus (LP) is a chronic inflammatory and immune mediated disease that affects the skin, nails, hair, and mucous membranes. (hindawi.com)
A rare form of skin cancer may sometimes start with cancer-causing mutations in hair follicle stem cells. (nih.gov)
These cells are found in the skin, eyes, and hair. (nih.gov)
The epidermis is the upper layer of skin. (childrensmn.org)
The fine hair that covers the body provides warmth and protects the skin. (childrensmn.org)
All of your hair grows out of "pockets" in your skin called follicles. (healthline.com)
Hair growth takes place completely below the surface of your skin. (healthline.com)
As the hair grows longer, it pushes through the surface of your skin. (healthline.com)
You'll need to pay attention to how your hair grows in and how your skin feels after shaving. (healthline.com)
Razors don't just cut off your hair, they take a layer of skin cells with it every time you run the blade across your skin. (healthline.com)
Getting dead skin cells off before shaving gives you a more even surface, and helps you shave closer to the actual root of your hair follicle. (healthline.com)
Your first shave strokes should go "with the grain," or in the direction that your hair goes when it naturally lies flat against your skin. (healthline.com)
You can go over your shaved skin again with strokes that go "across the grain" and "against the grain" to clean up stray hair growth. (healthline.com)
The outer part (epidermis) contains skin cells, pigment, and proteins. (medlineplus.gov)
With aging, the outer skin layer (epidermis) thins, even though the number of cell layers remains unchanged. (medlineplus.gov)
However, its role in the skin and hair development is not well characterized. (nature.com)
Hair and nails extend from the skin to reinforce the skin and protect it from environmental damage. (innerbody.com)
The epidermis is the most superficial layer of the skin that covers almost the entire body surface. (innerbody.com)
The epidermis rests upon and protects the deeper and thicker dermis layer of the skin. (innerbody.com)
In the palmar surface of the hands and plantar surface of the feet, the skin is thicker than in the rest of the body and there is a fifth layer of epidermis. (innerbody.com)
The dermis is the deep layer of the skin found under the epidermis. (innerbody.com)
The dermis is much thicker than the epidermis and gives the skin its strength and elasticity. (innerbody.com)
Mitochondrial function in murine skin epithelium is crucial for hair follicle morphogenesis and epithelial-mesenchymal interactions. (nature.com)
Clinically presented as red skin with greasy looking white or yellowish scales with flaking, commonly known as dandruff with itching mostly without hair loss. (hpathy.com)
The body stores vitamin E in the skin , in both the outer epidermis and the deeper dermis layers. (medicalnewstoday.com)
The health and appearance of our skin, hair and nails depends on the health of several structural proteins they share, namely collagen, keratin and elastin. (lifeextension.com)
In this protocol you will learn about factors both inside your body and from the external environment that can damage skin, hair and nail proteins. (lifeextension.com)
Learn about medical, dietary and lifestyle strategies to support healthy skin, hair and nail proteins. (lifeextension.com)
The appearance and integrity of our skin, hair, and nails are dependent upon a framework of structural proteins, especially keratin, collagen, and elastin. (lifeextension.com)
Fortunately, lifestyle changes and targeted nutritional interventions-particularly collagen peptides, solubilized keratin, and Polypodium leucotomos extract-can support skin, hair and nails from the inside out. (lifeextension.com)
Oral ingestion of solubilized keratin plus vitamins and minerals significantly improved various aspects of skin appearance, decreased hair loss, and increased nail strength. (lifeextension.com)
Although aging affects the whole body, our skin, hair, and nails provide a window through which the manifestations of aging can be viewed by others. (lifeextension.com)
But new research published in Cell Reports this week describes the work of an Indiana University team that's successfully grown mouse skin complete with hair follicles in the lab. (sciencefriday.com)
They have grown mouse skin complete with dermis, epidermis, and hair follicles. (sciencefriday.com)
IRA FLATOW: So you get the hair follicles which is very important to skin. (sciencefriday.com)
And a unique way it's structured is that the inside of the cyst is actually representative of the outside of the skin, the epidermis. (sciencefriday.com)
Ringworm, also called "tinea" or "dermatophytosis," is a common infection of the epidermis (skin, hair, or nails) caused by dermatophyte molds. (cdc.gov)
Most skin cancers develop from cells found in the epidermis layer of the skin. (bapras.org.uk)
Deep in the epidermis, closest to the dermis, these cells are plump and are actively generating new skin cells. (bapras.org.uk)
The skin of mammals is constructed of two layers, a superficial nonvascular epidermis and an inner layer, the dermis, or corium. (britannica.com)
Chemical peels have the capacity to influence two distinct layers of the skin: the outer layer, known as the epidermis, and the underlying dermis. (thefrisky.com)
In every instance of chemical peels, there is a controlled removal of skin cells from the epidermis. (thefrisky.com)
Superficial peels restrict their impact on the uppermost skin layer (epidermis), thereby expediting recuperation periods. (thefrisky.com)
They affect the top layer of skin, called the epidermis. (wrbl.com)
These burns affect all three layers of the skin: epidermis, dermis and fat. (wrbl.com)

The skin's color tone is the genetically determined amount of melanin in your epidermis. (cleanandclear.com)

Hyphae may be detected in the stratum corneum of the epidermis. (medscape.com)
The deepest region of the epidermis is the stratum basale, which contains the stem cells that reproduce to form all of the other cells of the epidermis. (innerbody.com)

Communication between dermal papilla cells and the overlying epithelium is essential for differentiation of the hair follicle lineages. (biologists.com)

The inner root sheath (IRS) is closely apposed to the hair shaft, and, because the sheath contains no pigment, it can easily be distinguished from the hair shaft. (medscape.com)
By confirming that oncogenic pigment cells in hair follicles are a bona fide source of melanoma, we have a better understanding of this cancer's biology and new ideas about how to counter it," Ito says. (nih.gov)

The dermis provides nutrients to the epidermis. (medlineplus.gov)

The dermal papilla comprises the specialised mesenchymal cells at the base of the hair follicle. (biologists.com)
In the absence of GFP + CD133 + cells, awl/auchene hairs failed to form and only zigzag hairs were found. (biologists.com)
We have thus demonstrated a previously unrecognised heterogeneity in dermal papilla cells and shown that Sox2-positive cells specify particular hair follicle types. (biologists.com)
During aging, the epidermis becomes thinner, the cohesion of the epidermal cells diminishes and the epidermis loses its resistance to environmental aggressors. (cosmeticsandtoiletries.com)
Some of the mitotically active outer root sheath (ORS) cells, which give rise to ORS under normal circumstances and to epidermis during wound healing, produce only low levels of K14. (silverchair.com)
These cells have fewer keratin filaments than basal epidermal cells, and the filaments are organized into looser, more delicate bundles than is typical for epidermis. (silverchair.com)
As these cells differentiate, they elevate their expression of K14 and produce denser bundles of keratin filaments more typical of epidermis. (silverchair.com)
In contrast to basal cells of epidermis and ORS, matrix cells, which are relatively undifferentiated and which can give rise to inner root sheath, cuticle and hair shaft, show no evidence of K14, K14 mRNA expression, or keratin filament formation. (silverchair.com)
As matrix cells differentiate, they produce hair-specific keratins and dense bundles of keratin filaments but they do not induce K14 expression. (silverchair.com)
The hair matrix is the actively growing portion of the follicle consisting of a collection of epidermal cells that rapidly divide, move upward, and give rise to the hair shaft and the internal root sheath. (medscape.com)
The cells of the hair matrix have vesicular nuclei and deeply basophilic cytoplasm. (medscape.com)
The hair matrix cells give rise to 6 different types of cells that make up the different layers of the hair shaft and the inner root sheath. (medscape.com)
Epidermis is dead cells that protect the body. (studystack.com)
Solidago showed the smallest ordinary epidermal cells and stomata, and a new (unmentioned to date) type of uniseriate hair. (techscience.com)
It also showed a type of uniseriate hair with 2 or 3 cells, with smooth ornamented walls in the basal cells, unknown to date. (techscience.com)
Melanocyte stem cells are found within hair follicles, shown here. (nih.gov)
Some studies suggest that these stem cells may undergo oncogenic (cancer causing) changes, migrate into the epidermis, and develop into melanoma. (nih.gov)
To explore this potential origin of melanoma, a team of researchers led by Dr. Mayumi Ito at NYU Langone Health genetically engineered mice with oncogenic gene mutations in the melanocyte stem cells within hair follicles. (nih.gov)
The researchers found that with the start of the hair's growth phase, mutated melanocyte stem cells migrated up the hair follicle and into the epidermis. (nih.gov)
The epidermis has layers of cells that constantly flake off and are renewed. (childrensmn.org)
Because the cells in the epidermis are completely replaced about every 28 days, cuts and scrapes heal quickly. (childrensmn.org)
As cells multiply and make keratin to harden the structure, they're pushed up the follicle and through the skin's surface as a shaft of hair. (childrensmn.org)
Hair grows by forming new cells at the base of the root. (childrensmn.org)
As this happens, the hair cells die. (childrensmn.org)
The dead cells and keratin form the shaft of the hair. (childrensmn.org)
The part of your hair that you can actually see is made up of dead keratin cells. (healthline.com)
In an anagen human hair follicle PPARγ expression is detected in the mesenchymal DP cells, epithelial cells of the outer root sheath (ORS), inner root sheath and matrix 16 . (nature.com)
Total and conditional knock out of PPARγ in hair follicle bulge stem cells showed similar result where scarring alopecia was observed in mice with the loss of pilosebaceous units and inflammatory cells infiltration 18 , 19 . (nature.com)
Structurally, the epidermis is only about a tenth of a millimeter thick but is made of 40 to 50 rows of stacked squamous epithelial cells. (innerbody.com)
The cells of the epidermis receive all of their nutrients via diffusion of fluids from the dermis . (innerbody.com)
The epidermis is made of several specialized types of cells. (innerbody.com)
Langerhans cells are the third most common cells in the epidermis and make up just over 1% of all epidermal cells. (innerbody.com)
Merkel cells form a disk along the deepest edge of the epidermis where they connect to nerve endings in the dermis to sense light touch. (innerbody.com)
Although normally dormant, hair follicle stem cells (HFSCs) quickly become activated to divide during a new hair cycle. (nature.com)
Here we provide several lines of evidence to demonstrate that HFSCs utilize glycolytic metabolism and produce significantly more lactate than other cells in the epidermis. (nature.com)
Morris, R. J. & Potten, C. S. Highly persistent label-retaining cells in the hair follicles of mice and their fate following induction of anagen. (nature.com)
Fuchs, E. The tortoise and the hair: slow-cycling cells in the stem cell race. (nature.com)
That's kind of one of the revelations from this study is that the way we're generating the cells, we're generating the epidermis and the dermis together. (sciencefriday.com)
The main anatomical characteristics are three types of unicellular hairs, unequally sized epidermis cells of the leaf and a sclerenchyma belt in the stem. (who.int)

Unlike a woman's chest, a male chest typically develops some type of thick hair growth in late puberty that usually doesn't reach full growth until the early 30s. (healthline.com)
Hirsutism is excessive growth of thick or dark body hair in women in locations that are more typical of male hair growth. (msdmanuals.com)
Male hormones stimulate the growth of thick, dark hair. (msdmanuals.com)

Depilatory products work by breaking down the architectural protein keratin, which types the hair shaft. (ldepropertyconferences.com)
These chemicals weaken the disulfide bonds in keratin, causing the hair to melt and simply wipe away. (ldepropertyconferences.com)
Expression of keratin K14 in the epidermis and hair follicle: insights into complex programs of differentiation. (silverchair.com)
Frequently, as in the case of epidermis, the expression of differentiation-specific keratins also leads to a reorganization of the keratin filament network, including denser bundling of the keratin fibers. (silverchair.com)
Using the source a bit more to explain what each gene and each zone of genes mean will be helpful, as we currently have no particular examples of a hair keratin. (wikipedia.org)

Blood vessels surrounding the follicles feed the root of the hair. (healthline.com)
It is the center or middle part that contains blood vessels, nerves, hair follicles and oil glands. (cosmeticlaserskinsurgery.com)
The epidermis is an avascular region of the body, meaning that it does not contain any blood or blood vessels. (innerbody.com)

Provides nutrients for the epidermis. (cosmeticlaserskinsurgery.com)

The hair follicle is made up of approximately eight distinct epithelial lineages ( Schmidt-Ullrich and Paus,2005 ). (biologists.com)
We demonstrate the concurrent up-regulation of PPARGC1a in the epithelial compartment and androgen receptor in the dermal papilla of miniaturized hair. (nature.com)

To enhance epidermal cohesion, Laboratoires Sérobiologiques has developed an antiaging active designed to target two proteins that affect epidermis cohesion: syndecan-1 and type XVII collagen. (cosmeticsandtoiletries.com)
Two signaling proteins normally produced during hair growth-endothelin (or Edn) and Wnt-were required for this transformation. (nih.gov)

The histologic features of the hair follicle change continuously and considerably during the hair growth cycle, thereby making follicular anatomy an even more complex entity. (medscape.com)
Histopathologic examination revealed acanthosis, hyperkeratosis, papillomatosis and follicular plugging in the epidermis. (mendeley.com)

Instead, these TG mice displayed impaired hair follicle transition from telogen to anagen, most likely due to impaired canonical Wnt signalling. (nuigalway.ie)

Keratins K14 and K5 have long been considered to be biochemical markers of the stratified squamous epithelia, including epidermis (Moll, R., W. Franke, D. Schiller, B. Geiger, and R. Krepler. (silverchair.com)
The epidermis is a stratified squamous epithelium. (wikibooks.org)
The epidermis consists of stratified squamous epithelium. (wikibooks.org)

Root hairs extend from the epidermis of monocot and dicot roots. (visiblebody.com)
During the sixth week of development, the mammary glands first develop as solid downgrowths of the epidermis that extend into the mesenchyme from the axilla to the inguinal regions. (medscape.com)

VGLUT3-persistent neurons are small-diameter unmyelinated neurons that are further divided into two subtypes: (1) tyrosine hydroxylase (TH)-positive C-LTMRs that form the longitudinal lanceolate endings around hairs, and (2) TH-negative neurons that form epidermal-free nerve endings. (jneurosci.org)

Recent advancements range from the incorporation of treatment brokers, such as for instance aloe vera or shea butter, to mitigate possible epidermis dryness and irritation. (ldepropertyconferences.com)
This cuts down on disruption and irritation to your epidermis. (healthline.com)

Approximately 84% of scalp hairs are in the anagen phase, 1-2% are in the catagen phase, and 10-15% are in the telogen phase. (medscape.com)

The papillary layer is the superficial layer of the dermis that borders on the epidermis. (innerbody.com)
The most superficial (most exterior) layer is the epidermis. (wikibooks.org)

In most of the body, the epidermis is arranged into 4 distinct layers. (innerbody.com)
And those cell layers interacted in such a way that allowed hair follicles to develop. (sciencefriday.com)
CARL KOHLER: So there are two basic layers, the epidermis and the dermis. (sciencefriday.com)
The two layers interlock via fingerlike projections (dermal papillae), consisting of sensitive vascular dermis projecting into the epidermis. (britannica.com)

The Dermis - much thicker middle layer that contains hair follicles and nerves as well as many blood and lymph vessels embedded in a collagen-rich framework. (bapras.org.uk)

Infections with T rubrum or Trichophyton verrucosum may invade hairs and follicles. (medscape.com)
The Epidermis - very thin upper layer, temperature changes and infections. (bapras.org.uk)

The bulb encompasses the dermal papilla and the hair matrix. (medscape.com)
The hair matrix surrounds the top and sides of the dermal papilla. (medscape.com)
Current opinion views androgens as the pathogenic driver in the miniaturization of hair follicles of androgenetic alopecia by interfering with the dermal papilla. (nature.com)

Pigs are covered with rather sparse coarse hairs and peccaries with a denser coat of coarse hairs. (britannica.com)

The IRS coats and supports the hair shaft up to the level of the isthmus, at which it breaks down and exfoliates in the infundibular space. (medscape.com)
this is unlike the hair shaft, which undergoes trichilemmal keratinization. (medscape.com)
It is caused by dermatophytes that invade hair shaft. (hpathy.com)
Netherton syndrome is a rare autosomal recessive genodermatosis characterized by congenital ichthyosiform erythroderma, an atopic diathesis, and a characteristic hair-shaft abnormality known as trichorrhexis invaginata. (medscape.com)
Identifying the bamboo node on the hair shaft using simple microscopy is necessary because unaided visual detection is practically impossible. (medscape.com)
The relationship with trauma to the severity of hair-shaft defects is probably overemphasized. (medscape.com)

We show the up-regulation of PGC1a in the inner and outer root sheath (IRS/ORS) of hair follicles from AGA patients and the dynamic expression in the mouse hair cycle. (nature.com)

All patients have sparse, abnormal hair. (medscape.com)
The eyebrows also have sparse, broken hair. (medscape.com)

Microscopic evaluation of clinically normal-appearing hairs may reveal defects. (medscape.com)

Tinea Capitis is a cutaneous fungal infection of scalp, also known as ringworm of hair. (hpathy.com)

The papilla protrudes into the hair bulb and is responsible for instigating and directing hair growth. (medscape.com)
At the bottom of the follicle is the papilla (puh-PILL-uh), where the actual hair growth happens. (childrensmn.org)
The papilla contains an artery that nourishes the root of the hair. (childrensmn.org)

While many believe the more often you shave your body hair, the more coarse it'll grow back, this isn't true. (healthline.com)

In predisposed individuals, the terminal hairs on the adult scalp can undergo involutional miniaturization (become vellus). (medscape.com)
Scalp hair grows for a few centimeters before breaking. (medscape.com)
Dihydrotestosterone stimulates hair growth in the beard area and hair loss at the scalp. (msdmanuals.com)

Each root hair grows laterally as an extension of a trichoblast, a type of epidermal cell located in the root's maturation zone. (visiblebody.com)
Hair grows all over the human body except the palms of the hands, soles of the feet, and lips. (childrensmn.org)
Hair grows faster in summer than winter, and slower at night than during the day. (childrensmn.org)
Everyone's hair grows at a different rate - including the hair on your face, under your arms, on your legs, and other parts of your body you might want to shave. (healthline.com)

So when the hair follicles develop, the roots are kind of growing outward in all directions, kind of like the petals on a flower. (sciencefriday.com)

Hair in the nose, ears, and around the eyes protects these sensitive areas from dust and other small particles. (childrensmn.org)

The papillary layer contains many finger-like extensions called dermal papillae that protrude superficially towards the epidermis. (innerbody.com)

Root hairs enhance the root's total surface area to maximize water and mineral absorption from the surrounding soil. (visiblebody.com)
Their large surface area allows root hairs to efficiently absorb water via osmosis and minerals via diffusion. (visiblebody.com)

I also believe hair dyes can make your hair brittle and dry because of all the chemicals in it. (mylot.com)

Although vellus hairs greatly outnumber terminal hairs, the latter are more important. (medscape.com)

MCPyV was also found in anogenital and oral samples (31%) and eyebrow hairs (50%) of HIV-positive men and in forehead swabs (62%) of healthy controls. (cdc.gov)

Anatomy43

Organisms16

Diseases23

Chemicals and Drugs45

Analytical, Diagnostic and Therapeutic Techniques and Equipment17

Phenomena and Processes38

Disciplines and Occupations1

Technology, Industry, Agriculture1

Information Science3

Melanocytes6

Keratinocytes4

Subcutaneous4

Sweat glands7

Tissue5

Sebaceous3

Integumentary System1

Outermost layer2

Skin56

Melanin1

Stratum2

Overlying epithelium is e1

Pigment2

Dermis provides1

Cells39

Thick3

Keratin5

Blood vessels3

Nutrients1

Epithelial2

Proteins2

Follicular2

Mice1

Stratified squamous3

Extend2

Nerve endings1

Irritation2

Anagen1

Superficial2

Layers4

Thicker1

Infections2

Dermal papilla3

Denser1

Shaft6

Outer root s1

Sparse2

Clinically1

Cutaneous1

Papilla3

Coarse1

Scalp3

Grows4

Roots1

Protects1

Papillae1

Surface2

Brittle1

Greatly1

Found1