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Histology > Epithelium and Glands (PPT based) > Flashcards

Epithelium and Glands (PPT based) Flashcards

1
Q

four basic types of tissues:

A

Nervous
Epithelial
Muscle
Connective

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2
Q

What type of tissue:
Elongated cells with extremely fine processes

A

Nervous

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3
Q

What type of tissue:
Aggregated polyhedral cells

A

Epithelial

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4
Q

What type of tissue:
Elongated contractile cells

A

Muscle

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5
Q

What type of tissue:
Several types of fixed and wandering cells

A

Connective

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6
Q

The ECM of what type of tissue:
Very small amount

A

Nervous

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7
Q

The ECM of what type of tissue:
Small amount

A

Epithelial

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8
Q

The ECM of what type of tissue:
Moderate amount

A

Muscle

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9
Q

The ECM of what type of tissue:
Abundant amount

A

Connective

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10
Q

MAIN FUNCTIONS of what type of tissue:
Transmission of nerve impulses

A

Nervous

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11
Q

MAIN FUNCTIONS of what type of tissue:
Lining of surface or body cavities, glandular secretion

A

Epithelial

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12
Q

MAIN FUNCTIONS of what type of tissue:
Strong contraction; body movements

A

Muscle

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13
Q

MAIN FUNCTIONS of what type of tissue:
Support and protection of tissues/organs

A

Connective

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14
Q

The two forms of epithelium and glands:
Sheets of contiguous cells that _____ the body on its external surface and line the body on its internal surface

A

cover

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15
Q

The two forms of epithelium and glands:
As _______, which originate from invaginated epithelial cells

A

glands

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16
Q

oral and nasal mucosae, cornea, epidermis of the skin and the mammary glands

A

Ectoderm

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17
Q

liver, pancreas, and the lining of the respiratory and gastrointestinal tract

A

Endoderm

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18
Q

uriniferous tubules of the kidney, lining of the male and female reproductive systems, endothelial lining of the circulatory system, and the mesothelium of the body cavities

A

Mesoderm

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19
Q

FUNCTIONS OF EPITHELIUM AND GLANDS:

A

Protection
Transcellular Transport
Secretion
Absorption
Selective permeability
Detection of sensations

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20
Q

Avascular, tightly bound contiguous cells forming sheets covering or lining the body

A

EPITHELIUM

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21
Q

separates the epithelium from the underlying connective tissue; via diffusion, nourishments and oxygen are passed from the adjacent connective tissue to the epithelium

A

Basal lamina

22
Q

What are the cell surface specializations of:
APICAL

A

Cilia
Microvilli
Stereocilia

23
Q

What are the cell surface specializations of:
BASAL

A

Basal lamina
Hemidesmosomes
Basal Plasma Membrane infoldings

24
Q

What are the cell surface specializations of:
LATERAL

A

Junctional Complex
Gap Junction
Lateral Interdigitations

25
Q

Under Junctional Complex:

A

Zonula occludens
Zonula adherens
Macula adherens

26
Q

Finger-like projections of epithelia that extent into the lumen

A

MICROVILLI

27
Q

Microvilli is characterized by a _______ on their exterior surface

A

glycocalyx (sugar coat)

28
Q

Bundle of 30 actin filaments

A

MICROVILLI

29
Q

It constitute the:
- Brush border of kidney PCT
- Striated border of intestinal absorptive cells

A

MICROVILLI

30
Q

Very long microvilli

A

STEREOCILIA

31
Q

Stereocilia is located in the

A

Epididymis and Vas deferens

32
Q

Actively motile processes

33
Q

Propel substances along epithelial surfaces

34
Q

Core of the longitudinally arranged microtubules (axoneme)

35
Q

Arise from a basal body during ciliogenesis

36
Q

Are specialized junctions for adhesion and communication between cells and in restricting movement of materials into and out of lumina

A

LATERAL SURFACES

37
Q

Junctional complex:
joining of cells forming impermeable barrier

A

Occluding junctions

38
Q

Junctional complex:
maintaining cell-to-cell adherence

A

Anchoring junctions

39
Q

Junctional complex:
movement of ions and signaling molecules between cells

A

Communicating junctions

40
Q

Tight junction

A

Zonula occludens

41
Q

Zone around the entire apical parameter of adjacent cells formed by fusion of the outer leaflets of the plasma membrane

A

Zonula occludens

42
Q

Prevents movement of substances into the intercellular space

A

Zonula occludens

43
Q

Analogous to fascia occludens between endothelial cells

A

Zonula occludens

44
Q

Intermediate junction

A

Zonula adherens

45
Q

Assist adhering cells to adhere to each other

A

Zonula adherens

46
Q

Analogous to fascia adherens in intercalated disks

A

Zonula adherens

47
Q

Desmosome

A

Macula adherens

48
Q

Help to resist shearing forces

A

Macula adherens

49
Q

Small, discrete, disk-shaped adhesive site

A

Macula adherens

50
Q

Found at sites other than the junctional complex attaching epithelial cells together

A

Macula adherens

Histology (37 decks)

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