Anatomy and physiology of the skin essay 1827 words. A section of skin with various accessory organs is shown in figure 1. The word integument is derived from the latin integere, meaning to cover. Kuhnke rn ba bscn msc et deirdre osullivandrombolis bscpt mclsc wound healing susie jin rph cde cpt cgp jennifer haley bmsc. This page provides a basic overview of the anatomy and physiology structure and. A good knowledge of the skin anatomy and physiology is essential to understand the pathogenesis of a variety of dermatological diseases, and to allow the search for optimal treatments to be soundly based. Anatomy and physiology 2020 ssss test d i v i s i o n c i n t e gu m e n t a r y, mu s c u l a r, a n d s k e l e t a l 1. From deep to superficial, these layers are the stratum basale, stratum spinosum, stratum granulosum.
Anatomy and physiology of the skin free download as powerpoint presentation. Skin secretes sweat through sweat glands and sebum through sebaceous glands. What links here related changes upload file special pages permanent link page. A third layer, the hypodermis, will be briefly described.
Male and female adults in the anatomical position the best way to learn about surface anatomy is to look at and examine your own body. This tough layer of cells is the outermost layer of skin. Skin anatomy and physiology south west regional wound care. Learn anatomy and physiology 1 skin lab practical with free interactive flashcards. Skin that has four layers of cells is referred to as thin skin. Summary the skin is a complex organ both structurally and functionally. The anatomy and physiology of animalslearning design. It performs many vital functions and has a complex structure which most people are unaware of. The hair shaft is the part of the hair that is not anchored to the follicle, and, is exposed at the skins surface.
Pugliese and draelos describe the structure and function of the skin and how it is affected at different stages by both environmental. Human skin is similar to that of most other mammals, except that it is not protected by fur. Note if the skins temperature is cool or warm, or the coolness or warmness is localized scanlon, 2015. This is not an anatomy course, so we wont be spending a lot of time here, but we still need to know the basics. Skin the skin, the bodys largest organ, is the outer body covering ofan animal.
As such, the skin protects your inner organs and it is in need of daily care and protection to maintain its health. Normally, your patients skin should be dry with only a slight amount of moisture. It completely covers the body and is continuous with the membranes lining the body orifices. Anatomy and physiology of the skin article in journal of the dermatology nurses association 34. Organized in two sections science and application dr. Anatomy and physiology of the skin south west regional. The integument is often said to be the largest organ in the body, comprising 16% of total body weight. It has a complex structure, being composed of many different tissues. This information should enable nurses to provide effective skin care for patients. Anatomy being the subject of structures is one of the toughest subject. Anatomy and physiology of animalsthe skin wikibooks.
We will go through the basic systems and make comments as we go. Structural elements and organization reading build understanding of science and technical texts, using knowledge of structural organization and authors purpose and message grades 1112. Basic anatomy and physiology surface anatomy surface anatomy is the identification of landmarks on the surface of the skin which allows us to compare our knowledge of our own surface anatomy with that of an injured person. Reticular layer deeper layer of the dermis containing proteins, collagen, and elastin that give the skin its strength and elasticity.
In addition, the skin is a vast reserve of stem and progenitor cells to rejuvenate the body surface and repair wounds. Knowledge of skin histology and physiology fosters a better understanding of cuta neous changes associated with aging. The skin, sometimes known as the integumentary system is, in fact, the largest organ of the body. Physiology of the skin ii is one of the industrys premier textbooks, used by many esthetic schools to present the facets of skin physiology and the role of the esthetician in identifying and treating skin problems. Ppt anatomy of the skin powerpoint presentation free. The skin has two layers, called the epidermis and the dermis. Download objective type questions of skin anatomy and physiology pdf visit our pdf store. Cosmetic scienceskin anatomy and physiology wikibooks. Skin can absorb the fat soluble substances and some ointments. Anatomy books pdf all medical pdfs download pdf files.
Kolarsick, bs, maria ann kolarsick, msn, arnpc, and carolyn goodwin, aprnbc, fnp chapter 1 introduction the skin is the largest organ of the body, accounting for about 15% of the total adult body weight. Foundations of best practice for skin and wound management skin. It gets its toughness from a protein called keratin. It performs many vital functions, including protection against external physical. All people, but especially people with light skin, need to minimize exposure to the sun and protect themselves from its ultraviolet radiation, which can damage dna in skin cells and. Skin anatomy and physiology beautiful, healthy skin is determined by the healthy structure and proper function of components within the skin. Anatomy and physiology of the skin journal of the dermatology nurses association. A person who is in shock may have pale skin and goose bumps, and someone with a fever may feel warm to the touch. The human skin is the outer covering of the body and is the largest organ of the integumentary. Kolarsick, bs, maria ann kolarsick, msn, arnpc, and carolyn goodwin, aprnbc, fnp introduction cells known as keratinocytes, which function to synthesize keratin, a long, threadlike protein with a protective role. Pugliese provides illustrations and wellorganized, detailed charts to. The skin is mainly mesodermal in its embryonic derivation. Thick and hairless, found on the palms and soles of feet in areas that are heavily used. The rest of the hair, which is anchored in the follicle, lies below the.
Skin, an understanding of normal anatomy and physiology is essential to understanding patho physiology and serves as a basis to demystify many skin conditions. So this page would be listing all the books that are one of the best human anatomy books. Epidermal atrophy and fragmentation of collagen and elastic fibers are also associated with photoaged skin. The focus of this skin anatomy, physiology, and assessment course is to teach healthcare. To maintain beautiful skin, and slow the rate at which it ages, the structures and functions of the skin must be supplemented and protected. Strands of hair originate in an epidermal penetration of the dermis called the hair follicle. Describe the primary functions of the skin and underlying tissue. Anatomy and physiology of skin and underlying tissues.
Anatomy and physiology of skin and underlying tissues anatomy and physiology of skin and underlying tissues. Accessory structures of the skin anatomy and physiology i. First published 2000 by routledge 11 new fetter lane, london ec4p 4ee simultaneously published in the usa and canada by routledge 29 west 35th street, new york, ny 1. Anatomy, physiology and wound healing 7 skin components the epidermis is made of tightly woven epidermal, or skin, cells.
These structures embryologically originate from the epidermis and can extend down through the dermis into the hypodermis. Describe the anatomy and physiology of the skin pressure sores or decubitus ulcers are the result of a constant deficiency of blood to the tissues over a bony area such as a heel which may have been in contact with a bed or a splint over an extended period of time. Pdf anatomy and physiology of the skin tekila papi. Accessory structures of the skin include hair, nails, sweat glands, and sebaceous glands. The skin is a vital organ that covers the entire outside of the body, forming a protective barrier against pathogens and injuries from the environment. Also called derma, corium, cutis, or true skin, support lay of connective tissue, collagen, and elastin below the epidermis. Hair is a keratinous filament growing out of the epidermis. In the adult human body, the skin makes up about 16 percent of body weight and covers an area of 1. Melanin is important for protection, by absorption of ultraviolet radiation from the sun. The integument system consists of the skin cutaneous membrane and its accessory organs. It is the largest organ of the integumentary system.
Cliffsnotes study guides are written by real teachers and professors, so no matter what youre studying, cliffsnotes can ease your homework headaches and help you score high on exams. It protects the vital structures inside the body from. Chapter 1 anatomy and physiology of the skin paul a. In fact, the skin and accessory structures are the largest organ system in the human body. The integumentary system is formed by the skin and its derivative str uctures see figure 11. Knowledge of the anatomy and physiology of the skin is essential to accurate. The outer most level, the epidermis, consists of a specific constellation of cells known as keratinocytes. Skin anatomy and physiology objective type questions pdf. Specialized skin cells and structures are formed from 36 months of gestation. Understand some of the factors that may negatively affect skin integrity 4. From wikibooks, open books for an open world and physiology. Alterations in the skin will affect the overall wellbeing of an individual. The epidermis is the outermost layer of the skin and forms a waterproof barrier that both holds moisture in and keeps moisture out. Choose from 500 different sets of anatomy and physiology 1 skin lab practical flashcards on quizlet.
The skin is the first of the eleven body systems to be described. Develop a basic understanding of the characteristics of the various layers of skin and its underlying structures 2. It forms a barrier that helps prevent harmful microorganismsand chemicals from entering the body, and it also prevents theloss of lifesustaining body fluids. This covering is the only organ that almost all surgeons will operate either on or through in their patients, so an understanding of the anatomy and physiology of skin is fundamental. Innermost layer of the skin, various thickness composed of fat, blood vessels, and connective tissue functions. Keast bsc msc dip ed md ccfp fcfp louise forestlalande rn med et janet l. The skin, or integument, is considered an organ because it consists of all four tissue types. Skin anatomy, physiology, and assessment this course has been awarded one 1. The skin also consists of accessory organs, such as glands, hair, and nails, thus making up the integumentary system. Janet macgregor london and new york introduction to the anatomy and physiology of children routledge.