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Anatomy Lab Tissues and Skin > Epithelial Tissue > Flashcards

Epithelial Tissue Flashcards

1
Q

epithelial tissue definition

A

covering or lining

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2
Q

epithelial tissue characteristics

A

lacks intercellular material
non-vascular
nerve supply
miotic

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3
Q

epithelial tissue functions

A

protection
secretion
absorption
filtrarion

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4
Q

epithelial tissue shapes

A

squamous
cuboidal
columnar
transitional

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5
Q

glandular epithelia

A

releases fluids

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6
Q

glandular epithelia structure

A

simple: unbranched
compound: branched duct

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7
Q

merocrine

A

secrete by exocytosis
pancreas, salivary glands, sweat glands

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8
Q

holocrine

A

accumulate products, then discharges
sebaceous glands

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9
Q

apocrine

A

accumulate at tip and cell pinches off
mammary gland

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10
Q

connective tissue

A

loose or areolar

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11
Q

3 fiber types

A

collagen
reticular
elastic

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12
Q

adipose tissue

A

fat tissue

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13
Q

reticular tissue

A

reticular fibers
reticulocyte

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14
Q

dense regular tissue

A

white fibrous

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15
Q

elastic tissue

A

has elastin

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16
Q

hyaline cartilage

A

has chondrocytes
hardest cartilage

17
Q

fibrocartilage

A

intervertebral discs

18
Q

bone

A

dense compact bone tissue

19
Q

haversian canal

A

canals that hold blood vessels in the bone

20
Q

lamella

A

bone membrane

21
Q

blood tissue cell types

A

rbc
ebc
erythrocytes
leucocytes
platelets
thrombocytes

22
Q

skin functions

A

protection
insulation
storage
regulation of body temp
sensation
synthesis of vitamin d
excretion

23
Q

what type of skin is the epidermis

A

keratinized stratified squamous

24
Q

what type of tissue is the dermis

A

connective tissue

25
Q

what type of tissue is the hypodermis

A

superficial fascia

26
Q

major cell types of the epidermis

A

keratinocytes
melanocytes
langerhans cells
merkel cells

27
Q

langerhans cells

A

immune system

28
Q

merkel cells

A

sense of touch

29
Q

layers of the epidermis

A

stratum basale SB (deepest)
stratum spinosum SS
stratum granulosum SG
stratum lucidum SL
stratum corneum SC

30
Q

stratum basale

A

deepest layer
miotic activity

31
Q

stratum spinoosum

A

keratinocytes

32
Q

stratum granulosum

A

keratohyaline granules

33
Q

stratum lucidum

A

only in thick skin

34
Q

stratum corneum

A

outermost dead skin cell layer

35
Q

how many layers is the dermis

A

2

36
Q

papillary region

A

areolar ct
dermal papillae
nerve endings

37
Q

reticular region

A

lower 80%
blood vessels

38
Q

sweat gland

A

apocrine

39
Q

sebaceous gland

A

holocrine

Anatomy Lab Tissues and Skin (1 decks)

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