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Saturday, April 25, 2020 | History

2 edition of Skin, hair and nail structure and function and associated diseases found in the catalog.

Skin, hair and nail structure and function and associated diseases

Linda D. Rhein

Skin, hair and nail structure and function and associated diseases

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  • 36 Currently reading

Published by Society of Cosmetic Chemists in [New York] .
Written in English


Edition Notes

Statementby Linda D. Rhein, Carolyn Peoples and Barbara Wolf.
SeriesSociety of Cosmetic Chemists monograph -- no.7
ContributionsPeoples, Carolyn., Wolf, Barbara., Society of Cosmetic Chemists.
The Physical Object
Pagination65p. :
Number of Pages65
ID Numbers
Open LibraryOL18614196M


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Skin, hair and nail structure and function and associated diseases by Linda D. Rhein Download PDF EPUB FB2

This interesting book provides and up to date review on structure and function of skin, hair and nail, presenting the last multidisciplinary results existing in this area of /5(2). CRC Press, - Electronic book - pages 0 Reviews Stressing a structure-function approach, this multidisciplinary reference presents a detailed overview of the biological, chemical, physical, molecular and genetic tools and techniques utilized in the study of the skin.

Dermatoanthropology of Ethnic Skin and Hair is a comprehensive text that extensively examines cutaneous disease in persons with skin of color.

The breadth of knowledge in this book encompasses the wide scope of dermatologic disease with 26 distinct and unique chapters. It serves as a. nail apparatus; subcutaneous fat Structure of the skin The skin accounts for about 15% of the total body weight of an adult and has a surface area of about 2 m2.

Skin consists of three main zones (Figure 1a): • epidermis • dermis • subcutis. Skin diseases can affect each region of the skin. Epidermis The epidermis is the outermost layer of the skin. The principal. Thyroid disease: A checklist of skin, hair, and nail changes Although your thyroid gland sits deep in your neck, your dermatologist may be the first doctor to notice signs of thyroid disease.

That’s because many signs and symptoms of thyroid disease develop on the skin, hair, and nails. Skin diseases can affect each region of the skin. Epidermis. The epidermis is the outermost layer of the skin. The principal cell is the keratinocyte (95% of cells).

Melanocytes, Langerhans cells and Merkel cells account for the remaining 5%.Cited by: The hair and nail are skin appendages that share with the skin a common origin from the ectoderma] layer.

They fulfil important protective and cosmetic physiologic function. The skin is the largest organ of the human body. It is a complex epithelial and mesenchymal tissue comprising a multilayered stratified epidermis, adnexal structures such as hair follicles, sweat glands and sebaceous glands, a dermis containing collagen and elastic fibres, and underlying subcutaneous fat.

More than disease entities involving the skin have been described and up to 20% of Cited by: skin and hair. The keratin in natural nails is harder than the keratin in skin or hair.

The natural nail is located at the end of the finger or toe. It is an appendage of the skin and is part of the integumentary system, which is made up of the skin and its various Skin.

Nail plates protectFile Size: 3MB. The Nail Bed: This is the portion of skin upon which the nail plate rests. It has very rich supply of blood and lymph vessels to keep nail healthy.

The function of the nail bed is to supply nourishment and protection. Nail Plate: The nail plate is composed of layers of keratinized skin cells.

The layers are packed very closely together with fat but very little water content. Accessory structures of the skin include hair, nails, sweat glands, and sebaceous glands. These structures embryologically originate from the epidermis and can extend down through the dermis into the hypodermis.

Hair. Hair is a keratinous filament growing out of the epidermis. It is primarily made of dead, keratinized cells. Skin the middle layer of the hair, formed by elongated cells containing melanin, responsible for the hair's strength and elasticity cortex the innermost layer of the hair, composed of round cells.

The epidermis in this part of the body has evolved a specialized structure upon which nails can form. The nail body forms at the nail root. Lateral nail folds, folds of skin that overlap the nail on its side, help anchor the nail body. The nail fold that meets the proximal end of the nail body forms the nail cuticle, also called the eponychium.

red look to the skin; due to excess blood (hyperemia) in dilated superficial capillaries; expected with fever, local inflammation, and emotional reactions such as blushing in cheeks, neck, upper chest; occurs with polycythemia, venous stasis, carbon monoxide poisoning, and extravascular presence of red blood cells.

The pinkish appearance of the nail comes from the blood vessels that are underneath it. The underside of the nail plate has grooves that run along the length of the nail and help anchor it to the nail bed. Eponychium: The eponychium is more commonly known as the cuticle.

The cuticle is situated between the skin of the finger and the nail : Heather L. Brannon, MD. A rash caused by a fungus that rapidly multiplies in warm, damp conditions, such as athletic shoes. Symptoms include dry, itchy, red skin.

The skin between the toes or. Adolescents, and many adults, take the health of their bone, muscle, and skin for granted. Only when there is a problem such as a broken bone, a muscle sprain, or a skin blemish (especially before an important event) do people think about these vital body systems.

Health problems that affect bone, muscle, and skin are common. In fact, muscle and bone problems have prompted the World Health. Describe the structure and function of sweat glands and sebaceous glands.

Accessory structures of the skin include hair, nails, sweat glands, and sebaceous glands. These structures embryologically originate from the epidermis and can extend down through the dermis into the hypodermis.

Hair is a keratinous filament growing out of the epidermis. Nail Diseases and Disorders. Nails often give the best clue regarding any type of underlying health disease affecting the body. Nails too fall prey to an infection or inflammation and require medical treatment.

The following article will cover information related to certain nail diseases and disorders. Contents Functions of the Integumentary System The Epidermis (thin outer layer of skin) The Dermis (thick inner layer of skin) Connective tissue and Membranes Roots, suffixes, and prefixes Cancer Focus Related Abbreviations and Acronyms Further Resources Functions of the Integumentary System.

This is the skin, and skin derivatives; (hair, nails, glands and receptors). Skin is the body's largest organ, and along with hair, nails, glands and nerves, is part of the integumentary system, according to Oregon State University.

This system acts as a Author: Kim Ann Zimmermann. Nails grow from special epithelial cells at the base of the nail in the region called the nail root (Fig.

These cells become keratinized as they grow out over the nail bed. The visible portion of the nail is called the nail body. The cuticle is a fold of skin that hides the nail root. Ordinarily, nails grow only about 1 millimeter per week.

Those closest to the nail root get flat and pressed tightly together. Each cell becomes a thin plate; these plates pile into layers to form the nail. As with hair, nails form by keratinization. When the nail cells accumulate, the nail pushes forward.

The skin below the nail is the matrix. Entheseal thickening of the extensor tendon on US was more frequent in patients with clinical nail disease compared to patients without clinical nail disease in both psoriasis and psoriatic Author: Ximena Wortsman.

Small, round depressions in the nail (nail pits) are seen with psoriasis or a condition that causes areas of hair loss, called alopecia areata. Psoriasis may also cause lifting, discoloration, and thickening of the nail. Click any of pictures of nails below to learn more about what skin changes are common in fingernails and toenails.

considered in relation to toe and foot structure and function. Many disorders of nails are directly due to functional faults in the foot; alternatively, diseases of the nail apparatus may be modified by alterations in digital or foot shape or movement (see Chapter 9).

The nail apparatus develops from the primitive epidermis. Its main function is. The skin is the largest organ of the body, accounting for about 15% of the total adult body weight.

It performs many vital functions, including protection against external physical, chemical, and biologic assailants, as well as prevention of excess water loss from the body and a role in thermoregulation.

The skin is continuous, with the mucous. Hair is simple in structure, but has important functions in social functioning. Hair is made of a tough protein called keratin.

A hair follicle anchors each hair into the skin. The hair bulb forms. Dermatology is defined as the branch of medicine dealing with the hair, nails, skin and its diseases. It is a specialty with both medical and surgical aspects.

Dermatologist: Takes care of diseases and cancers of the skin, scalp, hair, and : Disabled World. Scalp conditions can be itchy, irritating to deal with, and may even cause hair loss or a skin rash. We'll cover different types of scalp conditions and their causes, show you what they look like.

Sebaceous glands in the dermis secrete sebum to lubricate the skin. Hair and nails and the skin Hair and nails are manufactured by cells in the epidermis. Our lack of a complete cover of body hair makes human skin very different from the skin of any other animal.

Hair is made up of a protein called keratin. Fungal infections are caused by microscopic plants that live on our skin and on the dead tissue of our hair and nails.

The following list contains the more common nail irregularities, diseases and disorders. For information on nail problems not listed here, please refer to.

Explanation of hair and hair follicle structure and functions For hair follicle anatomy see more here. ?v=i3W3f38ZpJo Table of C.

Dr. Berg presents a new webinar to identify classic nutrient deficiencies by merely looking at someone's hair, skin, hair, etc. Eric Berg DC Bio: Dr. Berg, 50 years of age is a chiropractor. Beau’s lines occur at the same spot of the nail plate in most or all of the person’s nails and may be caused by any disease severe enough to disrupt normal nail growth.

Knowing that nails Cited by: Nails offer more clues for the health detective, but some hair disorders can point to disease, Scher says. A sudden, rapid onset of brittle hair (rather than life­long split ends) or hair loss. The nail root is not visible from the surface.

This is where nail production occurs. On the average person, fingernails (which grow faster than toe nails) grow about 3 mm a month. The skin is part of an important organ system called the integumentary system. The integumentary system consists of the skin, hair, nails, and exocrine glands.

Functions of the skin. The skin is multipurpose, meaning it has a lot of functions. It's our first line of protection against the outside environment, it houses one of our five senses.

Dermatology a branch of medicine dealing with the skin, its structure, functions, and diseases (from Greek derma, "skin"), as well as its appendages (nails, hair, sweat glands).

A doctor who practices dermatology is a dermatologist: Hair. The focus of this skin anatomy, physiology, and assessment course is to teach healthcare professionals about the structures and functions of the skin and its associated assessment.

Structure of Skin dermis also houses some epidermal derivatives such as the skin, hair, and nails (Jarvis, ). Accessory structures of the skin include hair, nails, sweat glands, and sebaceous glands. These structures embryologically originate from the epidermis and can extend down through the dermis into the hypodermis.

Hair is a keratinous filament growing out of the epidermis. It is primarily made of dead, keratinized cells. Strands of hair originate.Hair is one of the characteristic features of mammals and has various functions such as protection against external factors; producing sebum, apocrine sweat and pheromones; impact on social and sexual interactions; thermoregulation and being a resource for stem cells.

Hair is a derivative of the epidermis and consists of two distinct parts: the follicle and the hair shaft. The follicle is the Author: Bilgen Erdoğan.Functions of the Integumentary system 1.

protection a) chemical factors in the skin: Sebum (or oil) from the sebaceous glands is slightly acidic, retarding bacterial colonization on the skin surface.

Sweat from the sudoriferous glands is slightly hypertonic and can flush off most bacteria on the skin Size: 2MB.