skin hair and nails structure and function pdf Friday, May 7, 2021 7:10:45 AM

Skin Hair And Nails Structure And Function Pdf

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Chapter 4: The skin, hair and nails

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Understanding the skin requires knowledge of its accessory structures. This article, second in a two-part series , looks at the role of hair, nails, sweat and sebaceous glands. These originate embryologically from the epidermis and include hair, nails, sweat glands and sebaceous glands. This article, the second in a two-part series , looks at the structure and function of the main accessory structures of the skin. Citation: Lawton S Skin 2: accessory structures of the skin and their functions.

The integumentary system is the set of organs forming the outermost layer of an animal's body. It comprises the skin and its appendages, acting as a physical barrier between the external environment and the internal environment that it serves to protect and maintain. The integumentary system includes hair , scales , feathers , hooves , and nails. It has a variety of additional functions; it may serve to maintain water balance, protect the deeper tissues, excrete wastes, and regulate body temperature , and is the attachment site for sensory receptors to detect pain, sensation, pressure, and temperature. The skin is one of the largest organs of the body. In humans, it accounts for about 12 to 15 percent of total body weight and covers 1. The skin integument is a composite organ, made up of at least two major layers of tissue: the epidermis and the dermis.

Integumentary system

Common integument refers to skin and subcutaneous tissue, hair, nails, and breast. The last-named is described with the upper limb. The skin cutis provides a waterproof and protective covering for the body, contains sensory nerve endings, and aids in the regulation of temperature. The skin is important, not only in general medical diagnosis and surgery, but also as the seat of many diseases of its own. The study of these is called dermatology Gk derma, skin. The area of the body surface is about 2 sq m. The temperature of the skin in general is normally about 32 to 36 degrees C.

Nurses need to understand the skin and its functions to identify and manage skin problems. This article comes with a self-assessment enabling you to test your knowledge after reading it. Nurses observe the skin of their patients daily and it is important they understand the skin so they can recognise problems when they arise. This article, the first in a two-part series on the skin, looks at its structure and function. Citation: Lawton S Skin 1: the structure and functions of the skin.


It consists of three layers: the epidermis, preventing chemicals and micro-​organisms entering the body, the dermis playing a role in immunological surveillance.


Integumentary system

Written and peer-reviewed by physicians—but use at your own risk. Read our disclaimer. The skin is the largest organ of the body, covering an area of approximately 2 m 2.

Structure and function of skin, hair and nails

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Сьюзан была столь же любопытна, как и ее шеф, но чутье подсказывало ей, что расшифровка алгоритма Цифровой крепости неразумна, какой бы интерес это ни представляло. В данный момент эта чертова программа надежно зашифрована и абсолютно безопасна. Но как только шифр будет взломан… - Коммандер, а не лучше ли будет… - Мне нужен ключ! - отрезал. Сьюзан должна была признать, что, услышав о Цифровой крепости, она как ученый испытала определенный интерес, желание установить, как Танкадо удалось создать такую программу. Само ее существование противоречило основным правилам криптографии. Она посмотрела на шефа. - Вы уничтожите этот алгоритм сразу же после того, как мы с ним познакомимся.

Новый стандарт шифрования. Отныне и навсегда. Шифры, которые невозможно взломать. Банкиры, брокеры, террористы, шпионы - один мир, один алгоритм. Анархия.

Skin and skin appendage

Проклятые испанцы начинают службу с причастия. ГЛАВА 92 Сьюзан начала спускаться по лестнице в подсобное помещение. Густые клубы пара окутывали корпус ТРАНСТЕКСТА, ступеньки лестницы были влажными от конденсации, она едва не упала, поскользнувшись.

Skin and Nail: Barrier Function, Structure, and Anatomy Considerations for Drug Delivery

1 Comments

Lori K. 15.05.2021 at 04:27

Adnexal structures such as hair follicles, arrector pili muscle and sweat glands are clearly seen. b Higher magnification of normal skin shows the four principal.

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