Integematory system

These layers serve to give elasticity to the integument, allowing stretching and conferring flexibility, while also resisting distortions, wrinkling, and sagging. The epidermis is the outermost layer, providing the initial barrier to the external environment.

Healthy functioning of your skin also is related to the digestive system because the digestion and assimilation of dietary fats and oils are essential for the body to be able to make the protective oils for the skin and hair.

At this point the cells are so far removed from the nutrients that diffuse from the blood vessels in the dermis that the cells go through the process of apoptosis. Lamellar corpuscles found deep in the dermis sense pressure and vibration of the skin. There are usually periods of remission, though even asymptomatic patients can transmit the virus.

The stem cells of the nail matrix reproduce to form keratinocytes, which in turn produce keratin protein and pack into tough sheets of hardened cells. Just superficial to the stratum spinosum is the stratum granulosum, where keratinocytes begin to produce waxy lamellar granules to waterproof the skin.

The skin is one of the first defense mechanisms in your immune system. The outermost layer of skin is the stratum corneum. Anatomy of the Integumentary System Epidermis The epidermis is the most superficial layer of the skin that covers almost the entire body surface. Let us learn about their various functions in detail.

Integumentary system

The outermost layer of skin is the stratum corneum. Dandruff is considered as both a bacterial and fungal infection of the scalp.

The cuticle is the outermost layer made of keratinocytes. These grow from the skin of an animal and their function is to provide protection to the inner tissues of the body.

While most water soluble waste products are removed in the urine, sweat also contributes towards clearing some of the metabolic byproducts of the body. Minor mechanical damage from rough or sharp objects is mostly absorbed by the skin before it can damage the underlying tissues.

In fact nails are a hard layer of keratinized cells which develop from the epidermis. Scales are rigid plate-like structures that cover the body of fish, reptiles, and arthropods.

Integumentary System

An example is provided by the way that the skin helps in temperature regulation by changes in the pattern of blood supply to the skin and by sweating, as mentioned above.

The nerves of the dermal papillae are used to feel touch, pain, and temperature through the cells of the epidermis. It also functions to retain body fluids, protect against disease, eliminate waste products, and regulate body temperature. Toxic wastes are excreted by the skin in the form of perspiration.

This gas exchange system, where gases simply diffuse into and out of the interstitial fluidis called integumentary exchange. 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.

Homeostasis refers to regulating internal environment of the body to maintain stable conditions. Diseases of the Integumentary System Diseases of the integumentary system can arise from pathogenic infections, injury due to radiation, chemicals or from genetic disorders. The digestion of apocrine sweat by bacteria produces body odor.

When our skin is not exposed to sufficient amounts of sunlight, we can develop vitamin D deficiency, potentially leading to serious health concerns. The skin is also necessary for the production of melanin that prevents damage from UV rays — whether it is a sunburn or skin cancer.

The follicles of hairs have small bundles of smooth muscle attached to their base called arrector pili muscles. It lies below the epidermis. The stem cells of the nail matrix reproduce to form keratinocytes, which in turn produce keratin protein and pack into tough sheets of hardened cells. Some of these can be a part of the normal flora of healthy skin, while others, like Staphylococci can piggyback on an existing infection.

Sebaceous Glands Sebaceous glands are exocrine glands found in the dermis of the skin that produce an oily secretion known as sebum. The majority of the skin on the body is keratinized.

The integumentary system consists of the largest organ in the body, which is the skin. This extraordinary organ system protects the internal structures of the body from damage, prevents dehydration, stores fat, and produces vitamins and hormones.

Integumentary System Organs The integumentary system forms a protective barrier between the external environment and the inner tissues. Other than that, the integumentary system organs work together to provide insulation and help in excreting waste from the body.

Integumentary System Learn with flashcards, games, and more — for free. The integumentary system includes hair, scales, feathers, hooves, and nails. It has a variety of additional functions; it may serve to waterproof, and protect the deeper tissues, excrete wastes, and regulate temperature, and is the attachment site for sensory receptors to.

The integumentary system is the set of organs that forms the external covering of the body and protects it from many threats such as infection, desiccation, abrasion, chemical assault and radiation damage. The integumentary system consists of the skin, hair, nails, glands, and nerves. Its main function is to act as a barrier to protect the body from the outside world.

It also functions to retain body fluids, protect against disease, eliminate waste products, and regulate body temperature.

Integematory system
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Integumentary System Organs