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General Microscopic Anatomy and Embryology > Epithelial Tissue > Flashcards

Epithelial Tissue Flashcards

1
Q

Tissues that are composed of closely aggregated polyhedral cells with very little extracellular substance.

A

Epithelium

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2
Q

These cells have strong adhesion and form cellular sheets that cover the surface of the body and line its cavities.

A

Epithelium

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3
Q

Most have free surface (not in contact with other cells)

A

Epithelium

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4
Q

Lies on a basement membrane that attaches the epithelial cells to underlying tissues

A

Epithelium

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5
Q

What are the Epithelial Cell Junctions?

A

Tight Junctions (Zonula Occludens)

Adherens Junctions (Zonula Adherens)

Desmosomes (Macula Adherens)

Hemidesmosomes

Gap Junctions (Nexus)

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6
Q

Seals adjacent cells to one another, controlling passages of molecules between them; separates apical and basolateral membrane domains

A

Tight Junctions (Zonula Occludens)

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7
Q

Provides points linking the cytoskeletons of adjacent cells; strengthens and stabilizes nearby tight junctions.

A

Adherens Junctions (Zonula Adherens)

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8
Q

Provides points of strong intermediate filament
coupling between adjacent cells, strengthening
the tissue

A

Desmosomes (Macula Adherens)

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9
Q

Anchors cytoskeleton to the basal lamina

A

Hemidesmosome

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9
Q

What is an occluding junction?

A

Tight Junctions (Zonula Occludens)

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10
Q

What are the anchoring junctions?

A

Adherens Junctions (Zonula Adherens)
Desmosomes (Macula Adherens)
Hemidesmosome

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11
Q

Allows direct transfer of small molecules and ions from one cell to another

A

Gap Junctions (Macula Communicans/ Nexus)

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12
Q

What is a communicating junction?

A

Gap Junctions (Macula Communicans/ Nexus)

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13
Q

are tissues in which the cells are
organized in layers that cover the external surface or line the cavities of the body. They are classified
according to the number of cell layers and the
morphologic features of the cells in the surface layer

A

Lining Epithelia

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14
Q

Major Classification of Epithelial Tissues

A

Covering/Lining Epithelium
Glandular/Secretory Epithelium

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15
Q

Single layer of flat and usually very thin, with only the thicker cell nucleus appearing as a bulge to denote the cell.

A

Simple Squamous Epithelium

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16
Q

What epithelium lines the Lining of vessels?

A

Simple Squamous Epithelium

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17
Q

What epithelium lines the Serous lining of cavities?

A

Simple Squamous Epithelium

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18
Q

What epithelium lines the pericardium?

A

Simple Squamous Epithelium

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19
Q

What epithelium lines the pleura?

A

Simple Squamous Epithelium

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20
Q

What epithelium lines the lining the renal loops
of Henle?

A

Simple Squamous Epithelium

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20
Q

What epithelium lines the peritoneum?

A

Simple Squamous Epithelium

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21
Q

What epithelium lines the covering the outer wall of intestine?

A

Simple Squamous Epithelium

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22
Q

What epithelium lines the endothelium lining
the inner surface of the cornea?

A

Simple Squamous Epithelium

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23
Q

Single layer of cube-shaped cells that vary in their height but are roughly as tall as they are wide , some cells have microvilli or cilia

A

Simple Cuboidal Epithelium

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24
Q

What epithelium lines the Portions of kidney tubules?

A

Simple Cuboidal Epithelium

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25
Q

What epithelium lines the lining of terminal bronchioles?

A

Simple Cuboidal Epithelium

26
Q

What epithelium lines the surface
of ovaries?

A

Simple Cuboidal Epithelium

27
Q

What epithelium lines the surface of thyroid?

A

Simple Cuboidal Epithelium

28
Q

Single layer of tall, narrow cells and are taller than
they are wide. Some have cilia or microvilli.

A

Simple Columnar Epithelium

29
Q

What epithelium lines the lining of stomach
intestines?

A

Simple Columnar Epithelium

30
Q

What epithelium lines the portions of
bronchioles of lungs?

A

Simple Columnar Epithelium

31
Q

What epithelium lines the uterus and
uterine tubes and gallbladder?

A

Simple Columnar Epithelium

32
Q

Multiple of cells that are cuboidal in the basal layer and progressively flattened toward surface.

A

Stratified Squamous Epithelium

33
Q

What epithelium lines the mouth?

A

Nonkeratinized Stratified Squamous Epithelium

33
Q

What epithelium lines the skin?

A

Keratinized Stratified Squamous Epithelium

34
Q

What epithelium lines the throat?

A

Nonkeratinized Stratified Squamous Epithelium

35
Q

What epithelium lines the larynx?

A

Nonkeratinized Stratified Squamous Epithelium

36
Q

What epithelium lines the esophagus?

A

Nonkeratinized Stratified Squamous Epithelium

37
Q

What epithelium lines the anus?

A

Nonkeratinized Stratified Squamous Epithelium

38
Q

What epithelium lines the vagina?

A

Nonkeratinized Stratified Squamous Epithelium

39
Q

What epithelium lines the cornea?

A

Nonkeratinized Stratified Squamous Epithelium

40
Q

Multiple layers of somewhat cube-shaped cells

A

Stratified Cuboidal Epithelium

41
Q

What epithelium lines the Sweat gland ducts?

A

Stratified Cuboidal Epithelium

42
Q

What epithelium lines the ovarian follicular cells?

A

Stratified Cuboidal Epithelium

43
Q

What epithelium lines the salivary gland ducts?

A

Stratified Cuboidal Epithelium

44
Q

Multiple layers of cells with tall, thin cells resting on layers of more cube-shaped cells

A

Stratified Columnar Epithelium

45
Q

Single layer of cells, some are tall and thin and
reach the free surface and others do not. Nucleus appear stratified. Always ciliated.

A

Pseudostratified Columnar Epithelium

45
Q

What epithelium lines the mammary gland?

A

Stratified Columnar Epithelium

46
Q

What epithelium lines the conjunctiva?

A

Stratified Columnar Epithelium

47
Q

What epithelium lines the Lining of nasal cavity?

A

Pseudostratified Columnar Epithelium

48
Q

What epithelium lines the nasal sinuses?

A

Pseudostratified Columnar Epithelium

49
Q

What epithelium lines the auditory tubes?

A

Pseudostratified Columnar Epithelium

50
Q

What epithelium lines the parts of respiratory tract?

A

Pseudostratified Columnar Epithelium

51
Q

Superficial layer of domelike cells that are neither squamous nor columnar. They appear cuboidal when organ is not stretch and squamous when organ is stretched.

A

Transitional Epithelium

52
Q

What epithelium lines the lining of urinary bladder?

A

Transitional Epithelium

53
Q

What epithelium lines the ureters and superior urethra?

A

Transitional Epithelium

54
Q

are formed by cells specialized to secrete
molecules that are generally stored in the cells in small membrane-bound vesicles called secretory granules.

A

Glandular Epithelium

55
Q

cells may synthesize, store, and secrete
proteins, lipids or complexes of carbohydrates and proteins.

A

Glandular epithelial cells

56
Q

gland that secrete all three substances

A

mammary gland

56
Q

Glands that have ducts that lead to an organ or body surface.

A

Exocrine Glands

57
Q

What are the parts of exocrine gland?

A

Secretory portion
Ducts

58
Q

It secretes a whole portion of cell.

A

Holocrine

59
Q

It secretes a portion of cell.

A

Apocrine

60
Q

It does not secrete any cell.

A

Merocrine

61
Q

These are glands that became separated from the
epithelium of their origin and have no ducts.

A

Endocrine Glands

62
Q
A

General Microscopic Anatomy and Embryology (6 decks)

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