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Histology Module 2A > Cartilage > Flashcards

Cartilage Flashcards

0
Q

Makes up the ground substance and accounts for the solid yet flexible consistency of the cartilage

A

Proteoglycans

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1
Q

A semi-rigid form of supporting tissue with predominance of ground substance in the extracellular matrix

A

Cartilage

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2
Q

True or False:

Cartilage are mostly devoid of blood vessels.

A

True

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3
Q

From within, growth of the cartilage occurs by
A. Interstitial growth
B. Appositional growth

A

A. Apositional growth

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4
Q

At the periphery, growth of the cartilage occurs by
A. Interstitial growth
B. Appositional growth

A

B. Appositional growth

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5
Q

Mesenchymal cells

A. Stellate
B. Round

A

A. Stellate

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6
Q

Chondroblast

A. Stellate
B. Round

A

B. Round

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7
Q

Rounded cartilage precursor cells are called

A

Chondroblast

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8
Q

Chondroblast undergoes mitotic division and forms cluster of small mature cells known as

A

Chondrocytes

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9
Q

Characteristic cell of cartilages

A

Chondrocyte

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10
Q

Maintains the integrity of the cartilage matrix

A. Chondroblast
B. Chondrocyte

A

B. Chondrocyte

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11
Q

Flat, oval or spherical in shape that is lodged in a lacuna

A

Chondrocyte

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12
Q

Arrangement of chondrocytes

A

Singly or in isogenous groups

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13
Q

Zone of condense supporting tissue at the periphery of a mature cartilage is known as

A

Perichondrium

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14
Q

Interterritorial / Cartilage matrix contains

A. Collagen
B. Glycosaminoglycans

A

A. Collagen

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15
Q

Territorial / Capsular matrix found at the periphery of the cartilage contains

A. Collagen
B. Glycosaminoglycans

A

B. Glycosaminoglycans

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16
Q

A dense layer of irregular fibrous tissue that always invests hyaline cartilage except at the surfaces of articular cartilage

A

Perichondrium

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17
Q

True or False:

The perichondrium always invest hyaline cartilge.

A

False

- except at free surfaces of articular cartilage

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18
Q

A place where something is formed and a medium enclosing other bodies

A

Matrix

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19
Q

Matrix comes from the Latin word

A

Womb

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20
Q

Composition of matrix

A

Ground substance :protein polysaccharides

Connective tissue fibers

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21
Q

What is the ground substance that makes up the matrix

A

Protein polysaccharides

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22
Q

What are the three main types of a cartilage

A

Hyaline
Elastic
Fibrocartilage

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23
Q

Most common type of cartilage

A

Hyaline

24
Q

Cartilage found in the basal septum, larynx, tracheal rings, most articular surfaces and sternal end of the ribs

A

Hyaline

25
Q

Characterized by small aggregations of chondrocytes embedded in an amorphous matrix of ground substance reinforced by collagen fibers

A

Hyaline cartilage

26
Q

Matrix appears fairly amorphous because ground substance and collagen fibers have similar refractive index

A

Hyaline

27
Q

Extracellular matrix of hyaline cartilage is composed of?

A

Type II collagen fibrils

Aggrecan

28
Q

Its extracellular matrix is composed of type II collagen fibrils and aggrecan

A

Hyaline

29
Q

Most important proteoglycan

A

Aggrecan

30
Q

Type of cartilage that is resistant to compression and provides cushioning, smooth and low friction surface for joints

A

Hyaline

31
Q

Forms foundation for development of fetal skeleton and further endochondral bone formation an bone growth

A

Hyaline

32
Q

Extracellular matrix of an elastic cartilage is compose of?

A

Type II collagen fibrils
Aggrecan
Elastic fibers

33
Q

Extracellular matrix of this cartilage is composed of the following:

Type II collagen fibrils
Aggrecan
Elastic fibers

A

Elastic cartilage

34
Q

Provides flexible support

A

Elastic fibers

35
Q

Found in the external ear and external auditory canal, epiglottis and parts of the laryngeal cartilages

A

Elastic cartilage

36
Q

Found in the walls of eustachian tube

A

Elastic cartilage

37
Q

Growth and development both by interstitial and appositional growth

A

Elastic cartilage

38
Q

With features intermediate between cartilage and dense fibrous supporting tissue

A

Fibrocartilage

39
Q

Fibrocartilage

A. Acidophilic
B. Basophilic

A

A. Acidophilic

40
Q

Has no identifiable perichondrium

A

Fibrocartilage

41
Q

Found in the intervertebral disc, articular cartilages and the pubic symphysis

A

Fibrocartilage

42
Q

In association with dense collagenous tissue in joint capsules, ligaments and some tendons

A

Fibrocartilage

43
Q

Extracellular matrix is composed of the following:

Type I and II collagen fibrils
Versican

A

Fibrocartilage

44
Q

The extracellular matrix of a fibrocartilage is composed of?

A

Type I and II collagen fibrils

Versican

45
Q

Proteoglycan secreted by fibroblast

A

Versican

46
Q

Cartilage that resist deformation under stress

A

Fibrocartilage

47
Q

Consists of layers of hyaline cartilage matrix and thick layers of dense collagen fibers oriented in the direction of functional stresses

A

Fibrocartilage

48
Q

A fibrocartilage is composed of alternating layers of?

A

Hyaline cartilage matrix

Thick layers of dense collagen fibers

49
Q

Has homogenous (no fibers are visible) extracellular matrix

A

Hyaline cartilage

50
Q

What do you call the darker staining matrix immediately surrounding the capsule?

A

Territorial matrix

51
Q

Matrix that occupies the majority of space between chondrocytes

A

Interterritorial matrix

52
Q

Chondrocytes are located within?

A

Lacuna

53
Q

What do you call the area immediately adjacent to the cell?

A

Capsule

54
Q

The capsule stains intensely because of the rich ___________ content

A

Glycosaminoglyacan

55
Q

Clusters of cells arising from mitosis are called?

A

Isogenous groups

56
Q

Like hyaline cartilage, it has chondrocytes located in the lacuna and the tissue is surrounded by a perichondrium

A

Elastic cartilage

57
Q

Gives the extracellular matrix of the elastic cartilage a heterogenous/fibrillar appearance when stained with H&E

A

Elastic fibers

58
Q

What is responsible for the acidophilic matrix of a fibrocartilage?

A

Type I collagen fibers

Histology Module 2A (3 decks)

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