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HUMAN HISTO LAB > EPITHELIUM > Flashcards

EPITHELIUM Flashcards

1
Q

4 MAIN TYPES OF EPITHELIUM

A

Epithelial Tissue
Connective Tissue
Muscle Tissue
Nervous Tissue

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2
Q

CHARACTERISTICS OF EPITHELIUM
1. Covers body ______ and line _____

A

surfaces; internal organs

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3
Q

Epithelium cells are tightly together with no space for blood vessels which means?

A

Avascular

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4
Q

it separates epithelium and connective tissues

A

basement membrane

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5
Q

Anchors Epithelium to underlying connective tissue

A

Basement Membrane

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6
Q

Exhibits Polarity

A

Apical and Basal Surface

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7
Q

structures present in the apical surfaces are different from that of the basal and lateral surfaces for they differ in terms of their functions

A

Polarity

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8
Q

Thin, Fibrous, non-cellular region of tissue that separates the epithelium from the underlying connective tissue

A

Basement Membrane

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9
Q

Serves as mechanical barrier

A

Basement Membrane

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10
Q

a type of cancer that did not pass the basement membrance/mechanical barrier

A

Carcinoma in situ/ in situ cancer

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11
Q

Number of Layers of epithelium are described with the use of:

A

Simple, Stratified, and Pseudostratified

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12
Q

consists one layer of cells from the basement membrane

A

Simple

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13
Q

2 or more lyaers of cells are present from the basement membrane

A

stratified

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14
Q

Cells become so crowded that some of the nuclei become displaced and several rows of nuclei appear in sections of the cell sheet, even though each cell is still attached to the basement membrane

A

Pseudostratified

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15
Q

To define the shpae of the cells

A

squamous, cuboidal, columnar

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16
Q

sqamour are ______

A

flattened

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17
Q

Cuboidal are _______

A

cubes

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18
Q

Columnar are ______

A

columns

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19
Q

Commonly found at sites where there is filtration and diffusion

A

Simple Squamous Epithelium

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20
Q

Single layer of cells that are no longer than they are wide

A

Simple Columnar Epithelium

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21
Q

A simple Columnar Epithelium has the functions of?

A

absorption and secretion

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22
Q

It is a single layer of cube-shaped cells (tall as they are wide)

A

Simple Cuboidal Epithelium

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23
Q

The functions of a simple cuboidal epithelium

A

Absorption and Secretion

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24
Q

Many layers of cells with flat cells on the superficial layer; protection against friction

A

Stratified Squamous Epithelium

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25
Q

this type of epithelium can be keratinzed or nonkeratenized

A

Stratified Squamous Epithelium

26
Q

It consists of multiple layers of epithelial cells which can contract and expand in order to adapt to the degree of distension needed.

A

Transitional epithelium

27
Q

appear stratified because nuclei are at 2/ more levels but not stratified because all cells come in contact with basement membrane

A

Pseudostratified columnar epithelium

28
Q

function of pseudostratified columnar epithelium

A

protection, secretion, production, and clearance mucus

29
Q

air sacs of the lungs (alveoli)

A

simple squamous epithelium

30
Q

Glomerulus - filtration of blood in kidneys to remove waste

A

Simple Squamous Epithelium

31
Q

commonly found at sites where there is filtration and diffusion

A

walls of blood vessels, lining of body cavities

32
Q

Gastrointestinal Tract

A

Simple Columnar Epithelium

33
Q

Stomach

A

Simple Columnar Epithelium

34
Q

Small and Large intestines

A

Simple Columnar Epithelium

35
Q

Gallbladder

A

Simple Columnar Epithelium

36
Q

Fallopian Tube with cilia

A

Simple Columnar Epithelium

37
Q

Fallopian tube simple columnar has cilia to help _____ fertilised vum for implantation in the uterus

38
Q

IN the small intestine, has microvilli where in the simple columnar epithelium consists of ______ to secrete mucus as lubrication

A

goblet cells

39
Q

Linings of the kidney tubules

A

Simple Cuboidal EPithelium

40
Q

Linings of ducts of certain glands

A

Simple Cuboidal Epithelium

41
Q

Thyroid

A

Simple Cuboidal Epithelium

42
Q

Ovary Surface

A

Simple Cuboidal Epithelium

43
Q

Outer layers of skin

A

Stratified Squamous Epithelium

44
Q

lining of oral cavity

A

Stratified Squamous Epithelium

45
Q

throat

A

Stratified Squamous Epithelium

46
Q

vagina

A

Stratified Squamous Epithelium

47
Q

anal canal

A

Stratified Squamous Epithelium

48
Q

cornea

A

Stratified Squamous Epithelium

49
Q

Urinary Bladder

A

Transitional Epithelium

50
Q

Ureters

A

Transitional Epithelium

51
Q

Urethra

A

Transitional Epithelium

52
Q

also called as urothelium

53
Q

Linings of respiratory system w/ cilia

A

Pseudostratified columnar epitheiulm

54
Q

Epididymis Vas Deferens w/ stereocilia

A

Pseudostratified columnar epitheiulm

55
Q

Stereocilia in the vas deferens and epididymis absorb excess seminal fluid since sperm cells are already _______

56
Q

Encircle the cells below tight junction and provides firm adhesion to neighboring cells

A

Adherens Junctions

57
Q

adherens junctions is aka

A

Zonula adherens

58
Q

provides adhesion and does not form a belt around the cells

A

Desmosomes

59
Q

desmosomes is also known as

A

macula adherens

60
Q

structures that binds cells of the basement membrane

A

Hemidesmosomes

HUMAN HISTO LAB (10 decks)

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