Term
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Definition
| A group of organs working together. |
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Term
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Definition
| A group of tissues working together. |
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Term
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Definition
| Skin and associated tissue and accessory organs. |
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Term
| What are the four major membrane types? |
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Definition
*Serous
*Mucous
*Cutaneous
*Synovial
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Term
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Definition
Membranes that line "isolated" body cavaties.
-simple squamous epithelum and loose connective tissue. |
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Term
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Definition
Line body cavaties that have openings to the outside.
-secrete mucous |
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Term
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Definition
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Term
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Definition
Membranes that line joint cavaties between movable bones.
-secrete synovial fluid. |
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Term
| What are the 2 layers of skin? |
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Definition
*Epidermis (outer layer) -Squamous
*Dermis (inner layer)-Various Tissues |
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Term
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Definition
| Loose connective and adipose tissue. |
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Term
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Definition
-stratisified squamous
-surface cells are dead
-keratin builds up as they age
-protects from H2O loss,lision, chemicals, and injury |
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Term
| What is formed deep in the epidermis? |
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Definition
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Term
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Definition
skin pigiment;absorbs sunlight for protection
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Term
| What is the different skin color due to? |
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Definition
Amount of Melanin produced.
environment.
blood chemistry. |
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Term
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Definition
-loose and fiberous connective tissue (strong and elastic)
-contains blood vessels for nourishment and heat transfer and vitamin d production
-nerves/sensory receptors are found here. |
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Term
| Subcutaneous Layer (hypodermis) |
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Definition
-loose connective tissue and adipose tissue
-blood vessels to "skin"
-layer of insulation |
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Term
| What are the assesory organs of the skin? |
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Definition
1) Hair follicles
2)Sebaceous Glands
3)Nails
4) Sweat Glands. |
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Term
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Definition
| -tube like depressions with epidermal cells from which hairs develope. |
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Term
| Where are hair follicles found? |
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Definition
| They are found all over the body except for on the palms,soles,lips,nipples, and some parts of external genitalia. |
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Term
| What is dead hair composed of? |
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Definition
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Term
| Sebacceous Glands (oil glands) |
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Definition
halocrine glands that produce sebum
-sometimes develope into blackheads or even acne. |
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Term
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Definition
| An oily secretion to keep skin moist and waterproof |
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Term
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Definition
-keratinized stratisfied squamous epithela
-cell division occurs in the nail root |
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Term
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Definition
| -coiled tube within the dermis with sweat secreting epithealeal cells. |
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Term
What are the 2 types of sweat glands?
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Definition
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Term
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Definition
-most numerous in armpit and groin
-develope at puberty
-produce "nervous sweat" |
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Term
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Definition
-most numerous on forehead,neck,and back
-produce body coating sweat
-activated by elevated body temp. |
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Term
| What is the temp. at which the body should remain? |
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Definition
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Term
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Definition
-dermal blood vessels dialate carrying more blood to the skin
-eccrine glands produce sweat to evaportate from skin |
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Term
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Definition
-dermal blood vessels constrict
-sweat glands remain inactive
-slight muscle contractions are triggerd to generate heat.
-arrector pili cause body hair to stand up. |
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Term
| The 1st responce to wound healing. |
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Definition
-inflammation
-depending on the amount of tissue damage
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