Classification of Epithelium Tissues Flashcards

1
Q

What are the 4 types of tissues?

A

Epithelial, Connective, Muscle, and Nerve tissue

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2
Q

How many layers does Simple Epithelia have?

A

one single cell layer

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3
Q

How many layers does Stratified Epithelia have?

A

two or more cell layers

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4
Q

Squamous cells are

A

flattened and scale-like

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5
Q

Cuboidal cells are

A

boxlike

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6
Q

Columnar cells are

A

tall and column shaped

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7
Q
A

Simple Epithelia

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8
Q
A

Stratisfied Epithelia

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9
Q
A

Squamous Cells

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10
Q
A

Cuboidal Cells

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11
Q
A

Columnar Cells

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12
Q

Name the Tissue

A

Simple Squamous Epithelium

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13
Q

Endothelium lines _____ and _________ vessels.

A

blood, lymphatic

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14
Q

Mesothelium lines ____ ________.

A

body cavities

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15
Q

Name the Tissue:

  • Location: tubules of kidneys, pancreas, thyroid, small glands, ovary
  • Function: secretion, absorption
A

Simple Cuboidal Epithelium

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16
Q

Name the Tissue

  • Location: most of the digestive tract (stomach to anal canal), gall bladder, ducts of some glands, small bronchi, some parts of the uterus.
  • Function: absorption, secretion, propels mucus/reproductive cells.
A

Simple Columnar Epithelium

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17
Q

Does Simple Columnar Epithelium contain goblet cells?

A

Yes, it may contain it.

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18
Q

Name the Tissue

-Location: ciliated type

*trachea/most of the upper respiratory tract

non-ciliated type

*sperm carrying ducts/some glands

-Function: secretion of mucus, propulsion of mucus through cilla

A

Pseudostratisfied Columnar Epithelium

19
Q

Does Pseudostratisfied Columnar Epithelium contain Cilia & Goblet Cells?

A

YES!

20
Q

Name the Tissue

-Location: Non-keratized type:

*skin, mouth, esophagus, vagina.

Keratinized type:

*epidermis of the skin

Function: protection against mechanical stress and abrasion.

A

Stratisfied Squamous Epithelium

21
Q

YES OR NO:

Is Stratisfied Squamous Epithelium non-keratinized?

A

YES!

22
Q

Name the Tissue

  • Location: urinary bladder, ureters, urethra
  • Function: streches readily and permits distention.
A

Transitional Epithelium

23
Q

Surface is toward a lumen (open space)

A

Apical

24
Q

Surfaces are toward other epithelial cells

A

Lateral

25
Q

Surface is toward the basement membrane

A

Basal

26
Q

Cells are tightly packed and attached by

A

cell juncitons, (tight junctions and desmosomes)

27
Q

Epithelial tissue is

A

avascular

28
Q

Does epithelial tissue lack a nervous system?

A

yes!

29
Q

Name the junction:

A zip- lock seal intestines

A

Tight junctions

30
Q

Name the junctions:

Velco seals holds cell together

A

Adherence junctions

31
Q

Name the Junctions:

tunnel for larger molecules

A

Gap Junction

32
Q

Name the junctions:

dots of Velco

A

Desmosomes

33
Q

Name the junctions:

Welcro to basement membranes

A

Hemidesmosomes

34
Q

Name the Junction

  • Keep substances from passing between cells.
  • Line simple epithelia

*columnar epithelia in the intestine

A

Tight Junctions

35
Q

Name the Junction

–Allow small molecules and ions to pass through to adjacent cells

–Found in most epithelial cells

*Nerve and Cardiac cells

A

Gap junctions

36
Q

Name the Junctions:

–Mechanical protein links which bind cells together in tissues subject to considerable stretching

•Found in skin, heart, muscle, and uterus

A

Desmosomes

37
Q

Name the junction:

-Mechanical protein links which bind cells to the basement membrane in most tissue

A

•Hemidesmosomes

38
Q

Name the junction:

–Weak glycoprotein bonds which assist tight junctions in binding epithelial cells together

A

•Adherance Junctions

39
Q

Types of Glandular Epithelia

1.

2.

3.

4.

A

–Endocrine glands

–Exocrine glands

–Unicellular exocrine glands

–Multicellular exocrine glands

40
Q

Name the gland (Grandular)

–Ductless glands

–Secrete hormones that travel through lymph or blood to target organs

A

Endocrine Glands

41
Q

Name the gland (GLandular)

–More numerous than endocrine glands

–Secrete products into ducts

–Secretions released onto body surfaces (skin) or into body cavities

–Examples include mucous, sweat, oil, and salivary glands

A

Exocrine Glands

42
Q

NAme the glands (GRadular)

–Goblet cell (found in respiratory tract)

A

•Unicellular exocrine glands

43
Q

Name the glands (GRadular)

–Are composed of a duct and a secretory unit

–Classified according to:

  • Duct type (simple or compound)
  • Structure of their secretory units (tubular, alveolar, or tubuloalveolar)
A

•Multicellular exocrine glands

44
Q
A