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Test 3
second pg of notes
29
Anatomy
11th Grade
01/30/2016

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Cards

Term
What do the cancerous malignant melanoma (dangerous) cells do that may cause them to invade vital organs?
Definition
matastasis
Term
What does matastasis mean?
Definition
to spread
Term
What is the continent most affected by the depletion of ozone about the South Pole (increased skin cancer)?
Definition
Australia
Term
What helps convert inactive forms of vitamin D into the steroid cholecalferol or vitamin D2?
Definition
UV radiation
Term
What does UV radiation help convert inactive forms of vitamin D into?
Definition
the steroid cholecalferol or vitamin D3
Term
What is the scientific name for vitamin D?
Definition
dehydroxycholecalciferol
Term
What does the liver do with the vitamin D3?
Definition
it converts it to a product used by the kidneys to synthesize the hormone calcitrol which is essential for the normal absorption of calcium and phosphorus by the small intestine
Term
abnormal bone development (children living in areas with overcast skies and whose diet lacks choloclaciferol)
Definition
rickets
Term
How has the US virtually eliminated rickets?
Definition
by adding vitamin D to milk
Term
What do cultures that require women to be covered completely except for their eyes when they go outside exhibit a high incidence of problems with what area of their bodies?
Definition
bones
Term
What is the scientific name for bruise?
Definition
contusion
Term
localized shedding of an epithelium
Definition
ulcer
Term
What is the scientific name for bedsores?
Definition
decubitis ulcer
Term
cell death and tissue distruction due to an adequate blood flow
Definition
necrosis
Term
What is the skin often referred to?
Definition
a blood reservoir
Term
Why is the skin often referred to as a blood reservoir?
Definition
the venous circulation of this area contains a substantial amount of blood
Term
About how many hairs does the human body have?
Definition
2.5 million
Term
What percentage of hairs are not on the general body surface and not head?
Definition
75%
Term
Is hair living or nonliving?
Definition
nonliving
Term
What are sebaceous glands?
Definition
oil glands
Term
What are holocrine glands that discharge an oily lipid secretion into hair follicles?
Definition
sebaceous gland
Term
What is the secretion of sebaceous glands called?
Definition
sebum
Term
What is a mixture of triglycerides, cholesterol, proteins, and electrolytes?
Definition
sebum
Term
What does sebum do?
Definition
inhibits the growth of bacteria, lubricates and protects the keratin of the hair shaft, and conditions skin
Term
What are sudoriferous glands?
Definition
sweat glands
Term
What many be apocrine or merocrine?
Definition
sudoriferous glands
Term
What kind of sweat glands are in armpits, around nipples, and in pubic region and secrete their products into hair follicles (odorous secretions, begin at puberty)?
Definition
adocrine sweat glands
Term
What are the components of sweat?
Definition
99% water, but contains some electrolytes (mainly salt)
Term
What is the pH of sweat?
Definition
4.0-6.8 (acidic)
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