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IBSS mod 3 > Lecture 5 > Flashcards

Lecture 5 Flashcards

Epithelium

1
Q

Epithelium functions

A
  • Protection
  • Absorption
  • Secretion
  • Sensory reception
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2
Q

Label the colored areas with the tissue type they represent

A

Epithelium (red)

Connective Tissue (green)

Muscle (yellow)

Nervous Tissue (blue)

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3
Q

What type of tissue is represented in this picture

A

Muscle

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4
Q

What type of tissue is represented in this picture

A

Nervous tissue

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5
Q

What type of tissue is represented in this picture

A

Epithelium

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6
Q

What type of tissue is represented in this picture

A

Connective tissue

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7
Q

General Features of Epithelium

A
  • MORE cells and LESS extracellular matrix
  • Proliferation and high turnover
  • Avascular (NO blood vessels)
  • Polarity
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8
Q

Polarity

A
  • Free outer surface
  • Basal surface facing underlying connective tissue
  • Lateral surface communicating with neighboring cells
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9
Q

What is represented in the picture

A

Microvilli

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10
Q

What is represented in the picture

A

Cilia

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11
Q

What is represented in the picture

A

Stereocilia

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12
Q

What is represented int he boxed portion of the image

A

Microvilli Brush Border

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13
Q

What structure is represented in the image

A

brush border

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14
Q

What is represented in the image

A
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15
Q

What structure is represented in the picture

A

Stereocilia

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16
Q

What structure is represented in the picture

A

Stereocilia

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17
Q

What structure is represented in the picture

A
  • Motile, move fluids over a cell surface (trachea, oviduct)
  • Single axoneme – sperm tail
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18
Q

What structure is represented in the picture

A

Cilia

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19
Q

What structure is represented by the arrows present in the picture

A

Top Right: Cilia

Lower Left: Basal Body

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20
Q

Understand the labeled picture

A
  • Lateral domain specializations: cell junctions
  • Restrictions on membrane protein mobility
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21
Q

Label the image

A
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22
Q

label the cell junctions

A
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23
Q

Label image

A

ZA – zonula adherens

AJ – adherens junction

TJ – tight junction

DM - desmosome

24
Q

What structure is represented in the image

A

Gap Junction

25
Q

What is indicated by the red arrow

A

Terminal Bars

26
Q

What is represented in the image

A

Terminal Bar

27
Q

What is depicted in the image below

A

basal lamina

28
Q

What structure is depicted below and what is it composed of

A

Basal lamina and reticular lamina appear as a single layer in LM

29
Q

What is depicted by the arrows in the image

A

Basal infoldings

30
Q

Define simple epithelium

A

Can be: – squamous – cuboidal, – columnar – Pseudostratified col.

31
Q

Define Stratified Epithelium

A

Can be: – squamous – cuboidal – columnar – transitional

32
Q

What type of epithelium is depicted in this image

A

Simple Squamous

• Mesothelium e.g. pleura, pericardium, peritoneum

33
Q

What type of epithelium is depicted in this image

A

Simple Squamous

34
Q

What type of epithelium is depicted in this image

A

Simple Squamous

35
Q

What type of epithelium is depicted in this image

A

Simple cuboidal

  • Forms secretory units
  • Lines ducts
36
Q

What type of epithelium is depicted in the image

A

Simple cuboidal

  • Forms secretory units
  • Lines ducts
37
Q

What type of epithelium is depicted in the image

A

Simple columnar

  • Absorptive
  • Secretory
38
Q

What type of epithelium is depicted in the image

A

Stratified Squamous

39
Q

What type of epithelium is depicted in the image

A

Stratified Squamous

40
Q

What type of epithelium is depicted in the image

A

Stratified Squamous

41
Q

What type of epithelium is depicted in the image

A

Stratified Squamous

42
Q

What type of epithelium is depicted in the image

A

Stratified cuboidal

43
Q

What type of epithelium is depicted in the image

A

Stratified cuboidal

44
Q

What type of epithelium is depicted in the image

A

Stratified columnar

45
Q

What type of epithelium is depicted in the image

A

Stratified columnar

46
Q

What type of epithelium is depicted in the image ​

A

Stratified columnar

47
Q

What type of epithelium is depicted in the image

A

Pseudostratified columnar

48
Q

What type of epithelium is depicted in the image

A

Pseudostratified columnar

49
Q

What type of epithelium is depicted in the image

A

Transitional

50
Q

What type of epithelium is depicted in the image

A

Transitional

51
Q

What is depicted in the image

A

Unicellular gland - Goblet cell

52
Q

What is depicted in the image

A

Unicellular gland - Goblet cell

53
Q

What is depicted in the image

A

Sweat gland (tubular)

54
Q

What is depicted in the image

A

Salivary gland (acinar)

55
Q

What is depicted in the arrow and what is the arrow pointing to

A

Compound tubuloacinar gland

Arrow pointing to Serous demilunes

56
Q

What is shown in this image

A

Carcinoma

Epithelial cells have high mitotic activity!

The most common cancers originate from epithelial cells

Benign tumors include papillomas (from surface epithelium) and adenomas (from glandular epithelium)

Malignant tumors are carcinomas (from surface epithelium) and adenocarcinomas (from glandular epithelium)

IBSS mod 3 (10 decks)

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