Histology- epithelial Flashcards

1
Q

Epithelial tissue is the _____ tissue that
forms the ______ between our body and
the external ______.

A

lining, boundary, environment

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2
Q

Functions of Epithelial tissues include:

A

Protection, Absorption, Filtration, Secretion

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3
Q

The top surface of an epithelial tissue is called the _____ surface or ____ surface.

A

free, apical

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4
Q

The bottom surface is called the ____ ____.

A

basal surface

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5
Q

The membrane underneath the basal surface is called the ____ ____.

A

basement membrane.

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6
Q

All of these tissues are ____ (no blood vessels).

A

avascular

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7
Q

Epithelial tissues are classified by the number of ____ and the ____ of the cells.

A

layers, shape

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8
Q

simple epithelial tissues have ____ layer of cell(s)

A

one

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9
Q

stratified epithelial tissues have ____ layer of cell(s)

A

more than one

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10
Q

Simple squamous epithelium is a _____, _____ layer of cells that is ____ and _____.

A

single, flat, thin, permeable

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11
Q

What is the function and where are simple squamous epithelium?

A

function: rapid diffusion of materials

Found in blood vessels & lung tissues

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12
Q

Simple cuboidal epithelium is a ____ layer of ____-shaped cells.

A

single, cube

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13
Q

What is the function and where are simple cuboidal epithelium?

A

Function: Secretion & absorption of
substances

Found in the tissues of the kidney

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14
Q

Simple columnar epithelium is a ____ layer of ____ closely packed cells.

A

single, tall

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15
Q

simple columnar may have ____ and _____ cells which secrete ____.

A

cilia, goblet, mucus

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16
Q

What is the function and where is simple columnar found?

A

Function: Secretion of mucus for protection & absorption of substances
Found in the lining of the digestive tract

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17
Q

Epithelial tissue is the ____ that protects the body from the external _____.

A

lining, environment

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18
Q

All epithelial tissues have a ___ surface, a ___ surface, and a _____ membrane.

A

free, basal, basement

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19
Q

Simple epithelial tissues are made of ___ layer of cells
that can vary in ____.

A

one, shape

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20
Q

stratified squamous epithelium is ____ layers that provide ____ for the underlying layers.

A

thick, protection

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21
Q

stratified=

A

more than one layer

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22
Q

What is found in the epidermal layer of the skin?

A

stratified squamous

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23
Q

stratified cuboidal is ____ layer of ____ shaped cells and are ____

A

more than one, cube, rare

24
Q

What is found in salivary & mammary glands?

A

Stratified cuboidal

25
Q

Stratified columnar is lined with ___ shaped cells and are ___

A

column, rare

26
Q

What is found in your larynx and the male urethra?

A

Stratified columnar

27
Q

In pseudo-stratified epithelium, cell _____ are found at different levels, so it _____ stratified, though it ____

A

nuclei, appears, is not

28
Q

What is the function and where is pseudo stratified found?

A

Function: Secretion & Absorption
Found in most of the upper respiratory tract

29
Q

The ____ surface cells of transitional epithelium ___ in appearance based on the _____ of the tissue.

A

free, vary, stretching

30
Q

transition=

A

changes shape with elasticity

31
Q

What type of epithelium is found in the lining of the urinary bladder?

A

transitional

32
Q

Stratified epithelial tissues have ____ layer and can ___ in cell shape.

A

more than one, vary

33
Q

Pseudo-stratified epithelium _____ to have multiple layers and transitional epithelium can change its appearance as it _____.

A

appears, stretches

34
Q

A ____ is made of a group of cells that ___ a fluid substance.

A

gland, secrete

35
Q

glands are classified in two ways by :

A

complexity, how substances are secreted( endo- & exo-crine)

36
Q

Exocrine glands secrete substances through ____

A

a duct

37
Q

endocrine glands are a ____ gland that secrete ____ through the _____

A

ductless, hormones, blood stream

38
Q

example of exocrine gland:

A

sweat glands

39
Q

example of endocrine glands

A

thyroid gland

40
Q

the types of exocrine glands are:

A

merocrine, holocrine, apocrine

41
Q

what type of gland is it when cells excrete the products through exocytosis?

A

merocrine gland

42
Q

mero=

A

part

43
Q

merocrine gland example:

A

sweat glands

44
Q

what type of gland is it when a portion of the cell pinches off with the secreted products?

A

apocrine glands

45
Q

apo=

A

tip

46
Q

apocrine gland example

A

mammary glands

47
Q

what type of gland is it when the cells rupture and spill products into the duct?

A

holocrine gland

48
Q

holocrine gland example

A

sebaceous (oil) glands in the skin

49
Q

endocrine glands secrete ______ into the _____ so they can be delivered over ____ _____

A

hormones, blood, longer distances

50
Q

endocrine cells are packed _____ together with ____ running through the glandular tissue.

A

tightly, capillaries

51
Q

cells excrete products through _____ into the blood

A

exocytosis

52
Q

examples of endocrine glands are:

A

thyroid, thymus, adrenal glands, and pancreas

53
Q

glandular tissue is a specialized type of _____ tissue

A

epithelial

54
Q

endocrine glands secrete ______ into the blood while exocrine glands use ____ to secrete their products.

A

hormones, ducts

55
Q

exocrine glands differ in the portion of the ____ that is secreted with the product

A

cell