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human anatomy > integumentary vocab > Flashcards

integumentary vocab Flashcards

1
Q

body membrane

A

cover surfaces, line body cavities and form protective sheets around organs

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2
Q

epithelial membrane

A

called covering and lining membranes

include cutaneous membrane, mucous membranes and serous membranes

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3
Q

cutaneous membrane

A

skin

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4
Q

mucous membrane

A

lines all body cavities that open to the exterior, such as those of the hollow organs of the respiratory, digestive, urinary, and reproductive tracts

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5
Q

serous membrane

A

occur in pairs

line body cavities that are closed to the exterior

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6
Q

serous fluid

A

allows organs to slide easily across the cavity walls and one another w/out friction as they carry out their routine functions

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7
Q

peritoneum

A

lining in abdominal cavity and covering its organs

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8
Q

pleura

A

serous membrane that surrounds the lungs

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9
Q

pericardium

A

serous membrane around the heart

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10
Q

synovial membrane

A

line the fibrous capsules surrounding the joints

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11
Q

skin

A

aka: cutaneous membrane

used for protection

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12
Q

integument

A

means covering

keeps water and other molecules inside the body

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13
Q

keratin

A

a tough, insoluble protein found in tissues such as hair, nails and epidermis of skin

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14
Q

epidermis

A

outer part of the skin

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15
Q

dermis

A

layer under epidermis

made of dense connective tissue

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16
Q

subcutaneous tissue/hypodermis

A

not considered part of skin

anchors skin to underlying organs

17
Q

stratum basale

A

deepest cell layer of epidermis

18
Q

stratum spinosum

A

one of the layers superficial to the dermis

daughter cells get sent here

19
Q

stratum granulosum

A

daughter cells become flatter, increasingly full of keratin and die here

20
Q

stratum lucidum

A

occurs only where the skin is hairless and extra thick (palms of hands/soles of feet)

21
Q

stratum corneum

A

outermost layer

20-30 cell layers thick

22
Q

melanin

A

pigment that ranges in color from yellow to brown to black

23
Q

papillary layer

A

upper dermal region

24
Q

dermal papillae

A

the uneven, finger-like projections from superior surface

indent the epidermis

25
Q

reticular layer

A

deepest skin layer

contains blood vessels, sweat/oil glands, and deep pressure receptors

26
Q

exocrine glands

A

release secretions to skin surface

27
Q

sebaceous glands

A

oil glands

found all over skin except on palms of hands and soles of feet

28
Q

sebum

A

product of sebaceous glands
mixture of oily substances and fragmented cells
prevents hair from becoming brittle
contain chemicals that kill bacteria

29
Q

eccrine glands

A

produce sweat and lactic acid

30
Q

apocrine glands

A

confined to axillary and genital areas of body
ducts empty into hair follicles
secretion contains fatty acids and proteins

31
Q

hair follicles

A

compound structures
inner epidermal sheath is composed of epithelial tissue and forms the hair
outer dermal sheath is dermal connective tissue

32
Q

arrector pili

A

small bands of smooth muscle cells

33
Q

athlete’s foot

A

itchy, red, peeling condition of the skin between toes, resulting from fungus infection

34
Q

boils and carbuncles

A

inflammation of hair follicles and sebaceous glands, common on dorsal neck
carbuncles are composite boils typically caused by bacterial infection

35
Q

cold sores

A

small fluid-filled blisters that itch and sting, caused by herpes simplex infection
virus localizes in cutaneous nerve, where it remains dormant until activated by emotional upset, fever, or UV radiation
cold sores usually occur around the lips and in the oral mucosa of the mouth

36
Q

contact dermatits

A

itching, redness, and swelling of the skin, progressing to blistering
caused by exposure of the skin to chemicals that provoke allergic responses in sensitive individuals

37
Q

impetigo

A

pink, water-filled, raised lesions that develop a yellow crust and eventually rupture
caused by highly contagious staphylococcus infection; common in elementary school-aged children

38
Q

psoriasis

A

a chronic condition, characterized by overproduction of skin cells that results in reddened epidermal lesions covered with dry, silvery scales
when severe may be disfiguring
believed to be an autoimmune system attacks a person’s own tissues
attacks often triggered by trauma, infection, hormonal changes, and stress

human anatomy (8 decks)

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