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Anatomy and physiology II-undergrad > chapter 2 video > Flashcards

chapter 2 video Flashcards

1
Q

tissues are made of

A

cells and extracellulcar material

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2
Q

cells can be connected to each other with

A

junctions and extracellular matrix

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3
Q

tissues surrounded by

A

exytacellular matrix

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4
Q

study of tissues

A

histology

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5
Q

4 types of tissues

A

epithelial, connective, muscle, nervous

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6
Q

epithelium is refered to as

A

epithelial tissue

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7
Q

epithelial tissue is composed of one or more layers that are ____

A

closely packed

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8
Q

epithelieum contains little to no

A

extracellular matrix

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9
Q

epithelium is connected by

A

tight junction

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10
Q

lots of ____ associated with epithelium

A

glands

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11
Q

examples of epithelium

A

mouth and skin

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12
Q

epithlial cells have _______- surface

A

apical and basal

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13
Q

apical surface

A

exposed to external environment or internal body space

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14
Q

epithelial tissue composed entirely of

A

tightly pacled cells

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15
Q

apical surface could have

A

microvili or cilia

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16
Q

bsal surface is attached to

A

connective tissue

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17
Q

basement membrane

A

Barrier between epithelium and connective tissue

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18
Q

epithelia is Avascularity

A

means having no blood cells

19
Q

since epithelia lack blood vessels where do they get nutrients

A

Nutrients obtained across apical surface or from basal
surface

20
Q

epithelia have Extensive innervation

A

Richly innervated; detect changes in environment

21
Q

epithelia have High regeneration capacity which means they

A

Continual replacement of lost cells

22
Q

simple epithelium

A

One cell layer thick; all cells contact basement membrane
* Filtration, absorption, or secretion is primary function

23
Q

stratified epithelium

A

Two or more layers of epithelial cells
* Only basal layer in contact with basement membrane
* In areas subjected to mechanical stress

24
Q

squamos

A

Flat, wide, irregular in shape
* Nucleus flat

25
Q

psuedo stratified

A

Appears layered
* All cells contact basement membrane, but may not reach apical
surface

26
Q

columnar

A

Slender and taller than they are wide
*Nucleus oval; oriented lengthwise in basal region

27
Q

cuboidal cells

A

type of epithelial cell that are About as tall as they are wide and their Nucleus is spherical and in center of cel

28
Q

transitional cells can change _____ depending on stretch of epithelium

A

shape

29
Q

simple squamos is the

A

Thinnest barrier

30
Q

simple squamos allows

A

rapid movement of molecules across surface

31
Q

Simple Cuboidal Epithelium

A

Designed for absorption and secretion
* Ideal for structural components of glands

32
Q

Simple Columnar Epithelium

A

Oval nucleus, lengthwise in basal region
Ideal for secretory and absorptive functions
Two forms:
* Nonciliated
* Ciliated

33
Q

Ciliated Pseudostratified Columnar Epithelium

A

Contains cilia on apical surface
Protective functions
Goblet cells secrete mucin
* Traps foreign particles moved by cilia
Located in large passageways of

34
Q

Stratified Squamous Epithelium

A

Basal layers with cuboidal shape
Apical cells with squamous shape
Protects against abrasion and friction
Stem cells in basal layer continuously divide
* Replace lost cells at surface
Exists in keratinized and nonkeratinized forms

35
Q

transitional epithelium are

A

epithelium that change. changes if they are relaxed

36
Q

glands are

A

Individual cells or multicellular organs composed of epithelial tissue

37
Q

the 2 types of glands are

A

Endocrine or exocrine

38
Q

Endocrine glands lack

A

ducts

39
Q

endocrine glands secrete _____ into ____

A

hormones into the blood

40
Q

Exocrine glands

A

Invaginated epithelium in connective tissue

41
Q

invaginated

A

turn in on itself to form ppouch

42
Q

exocrine glands are connected with______ by _____

A

epithelial surface, duct

43
Q

epithelial lined tube is for

A

gland secretion

44
Q
A

Anatomy and physiology II-undergrad (4 decks)

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