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Anatomy 1 > Tissues > Flashcards

Tissues Flashcards

1
Q

Tissues?

A

groups of cells in similar structure and function

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2
Q

What the four kinds of tissues?

A

1) Epithelial-covering
2) Connective-support
3) Muscle-movement
4) Nerve-Control

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3
Q

Function of Epithelial Tissue

A 
Protection
Absorption
Filtration
Excretion
Secretion
Sensory Reception
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4
Q

Cellularity

A

composed almost entirely of cells

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5
Q

Special Contacts

A

Form continuous sheets held together by tight junctions and demosomes

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6
Q

Polarity

A

Apical (microvilli) (top)

Basal (glucoproteins) (bottom) surfaces

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7
Q

Basal acts as a what?

A

filter

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8
Q

Supported by connective tissue

A

rest upon and supported by connective tissues/ Deep to basal lamina is reticular lamina

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9
Q

Avascular

A

receive nerve impulses

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10
Q

regenerative

A

rapidly replaces lost cells by cell division

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11
Q

How’s each epithelia named?

A

2 names first is layers (simple or stratified); second is shape

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12
Q

Simple

A

one layer

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13
Q

Stratified

A

2 or more layers

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14
Q

example of stratified

A

high abrasion areas

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15
Q

Three shape kinds

A

Squamus, cuboidal, columnar

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16
Q

Squamus

A

flat

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17
Q

cuboidal

A

sperical

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18
Q

columnar

A

elongated

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19
Q

Shape in nucleus determines what for cell?

A

shape

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20
Q

If part of body needs fast absorption what shape cell do you not want?

A

columnar

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21
Q

Epithealia: Simple Squamous Defintion

A

Single layer of flattened cells with disc-shaped nuclei and sparse cytoplasm

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22
Q

Function of Simple Squamous

A

Diffusion and Filtration

Provide a slick, friction-reducing lining in lymphatic and cardiovascular systems

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23
Q

Where are simple squamous located?

A

Present in the kidney, glomeruli, lining of heart, blood vessels, lymphatic vessels, and sersae

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24
Q

Definition of Simple Cuboidal

A

Single layer of cube like cells with large, spherical central nuclei

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25
Q

Functions of Simple Cuboidal

A

Secretion

Absorbtion (thick operations)

26
Q

Location of Simple Cuboidal

A

kidney tubules

ducts and secretory portions of small glands and ovary surface

27
Q

Simple Columnar

A

single layer of tall cells with oval nuclei; many contain cilia

28
Q

What cells are found in simple columnar?

A

goblet cells

29
Q

Function of Simple Columnar

A

Absorption and Secretion

30
Q

What do nonciliated type of simple columnar line in the human body?

A

digestive tract and gallbladder

31
Q

What do ciliated type of simple columnar line in human body?

A

small bronchi, uterine tubes, and some regions of the uterus

32
Q

What does Cilia help do?

A

move through internal passageways

33
Q

Pseudostratified Columnar

A

single layer of cells with different heights; some do not reach the free surface

34
Q

What are seen at different layers in Pseudostratified columnar ?

A

Nuclei

35
Q

Pseudostratified Columnar functions

A

secretion and propulsion of mucus

36
Q

Where is pseudo stratified columnar located?

A

Present in the male sperm-carrying ducts (conciliated) and trachea (cilated)

37
Q

Stratified Squamous

A

Thick membrane composed of several layers of cells

38
Q

Function of Stratified Squamous

A

protection of underlying areas subjected to abrasion

39
Q

Stratified Squamous forms

A

the external part of skin’s epidermis (keratinized cells)

40
Q

Stratified Squamous lines?

A

esophagus, mouth, and vagina (nonkeratinized cells)

41
Q

Stratified Cuboidal

A

rare in body, typically two cell layers

42
Q

Where are stratified cuboidal found?

A

some sweat and mammary glands

43
Q

Stratified Columnar

A

limited distribution in the body

44
Q

Where are stratified columnar located?

A

pharnyx, male uretha

45
Q

Where does stratified columnar line?

A

some glandular ducts

46
Q

Transitional Definition

A

Several cell layers, basal cells are cuboidal or columnar, surface cells are dome shaped

47
Q

Transitional stretches to?

A

permit the dissension of the urinary bladder

48
Q

Transitional lines?

A

the urinary bladder, ureters, and part of the urethra

49
Q

Gland

A

one or more cells that makes and secretes an aqueous fluid, releases proteins, steroids or lipids

50
Q

Glandular are classified by?

A

site of product release

relative numbers of cells forming the gland

51
Q

site of product release

A

endocrine (internal) or exocrine (external)

52
Q

Relative number of cells forming the gland

A

unicellular (w/in epithelial) or multicellular (invagination, evagination)

53
Q

Endocrine Gland

A

Ductless gland that produces hormones (regulatory chemicals), hormones will enter blood or lymp to target organ

54
Q

EXAMPLE OF ENDOCRINE GLAND

A

hormones produced by intestinal cells causes the pancreas to release enzymes

Secretions include amino acids, proteins, glycoproteins, and steroids

55
Q

Exocrine Glands is more?

A

numerous than endocrine glands

56
Q

Exocrine gland secretes what?

A

their products onto body surfaces (skin) or into body cavities

57
Q

Example of exocrine glands

A

mucous, sweat, oil and salivary glands

58
Q

The only vital unicellular exocrine gland is?

A

goblet cell forms mucin

59
Q

Multicellular exocrine glands are composed of …?

A

a duct and secretory unit

60
Q

Multicellular exocrine are more complex than?

A

unicellular glands

61
Q

Multicellular exocrine glands are classified according to …?

A 
structure of their secretory units
Simple (unbranched duct)
Compound duct (branched duct)
62
Q

Multicellular exocrine glands shapes

A

tubular (if secretory cells forms tubes), alveolar (flask like sacs), tub alveolar (have both types of secretory units

Anatomy 1 (8 decks)

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