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Undeleted > Cartilage > Flashcards

Cartilage Flashcards

1
Q

where are blood vessels for cartilage found?

A

perichondrium (cartilage itself is avascular)

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1
Q

these are created as chondrocytes undergo mitosis. several chondrocytes grouped together in same lacuna.

A

isogenous group

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1
Q

Identify 3 arrows.

A
  1. territorial matrix
  2. interterritorial matrix
  3. isogenous cell group
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2
Q

lighter staining area between the isogenous groups- more collagen here

A

interterritorial matrix

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2
Q

where is elastic cartilage found?

A

auricle, auditory canal, auditory tube, epiglottis

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3
Q

Tissue type?

A

Elastic cartilage

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4
Q

3 types of cartilage

A

hyaline elastic fibrocartilage

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5
Q

where is hyaline cartilage found?

A

articular surfaces, nose, larynx, tracheal rings, epiphyseal plates, fetal bone bodels

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7
Q

ECM has high __ strength

A

tensile (can withstand mechanical forces)

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7
Q

how is arrangement of elastic cartilage different than hyaline cartilage?

A

more chondrocytes, smaller isogenous groups

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8
Q

is perichondrium present in hyaline cartilage?

A

yes (a few exceptions)

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8
Q

is perichondrium present in elastic cartilage?

A

yes.

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9
Q

matrix of hyaline is __ due to high concentration of GAGs, so it stains __ (color)

A

basophilic bluish-purple

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10
Q

cells that come directly from mesenchymal cells, lay down ECM

A

chondroblasts

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11
Q

surrounds most cartilage- is a dense connective tissue capsule covering

A

perichondrium

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12
Q

cells that are completely surrounded by ECM in a lacuna

A

chondrocytes

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12
Q

Identify.

A
  1. chondroblast
  2. chondrocyte
  3. perichondrium
14
Q

perichondrium is ___ so it stains ___ (color)

A

eosinophilic, pink

15
Q

Identify 3 arrows.

A
  1. lacunae
  2. interterritorial matrix
  3. territorial matrix
16
Q

Identify tissue type. Identify cell.

A

Elastic cartilage. Adipocyte

17
Q

is perichondrium found in fibrocartilage?

A

no

18
Q

where is fibrocartilage found?

A

intervertebral discs, public symphysis, tendon-bone anchorages

20
Q

most common type of cartilage in human body

A

hyaline

21
Q

Identify.

A

isogenous groups

21
Q

this tissue looks like an intermediate between dense regular connective tissue & hyaline cartilage. chondrocytes are arranged in long rows separated by coarse collagen fibers.

A

fibrocartilage

22
Q

As you age, elastic cartilage is replaced by ___

A

adipocytes

23
Q

why aren’t type 2 collagen fibers visible in ECM of hyaline cartilage sections?

A

because they have same refractive index as surrounding ECM

24
Q

Identify.

A
  1. chondrocytes
  2. chondroblasts
25
Q

Identify tissue type.

What fibers are present?

A

fibrocartilage

Type 1 collagen

26
Q

Identify tissue type.

A

elastic cartilage.

28
Q

all connective tissue arises from ___

A

mesenchyme

30
Q

basophilic matrix around each of the isogenous groups, rich in GAGs, negative charge, less collagen

A

territorial matrix

31
Q

Identify tissue type.

A

elastic cartilage

32
Q

type of collagen fiber found in hyaline cartilage?

A

type 2

34
Q

growth by addition to existing surface, generation of new chondroblasts

A

appositional growth

35
Q

growth by internal expansion, proliferation of chondrocytes & formation of isogenous groups

A

insterstitial growth

36
Q

elastic cartilage is different from hyaline cartilage because it contains ___

A

elastic fibers

37
Q

type of collagen present in fibrocartilage?

A

type 1

38
Q

Identify tissue type.

Identify 1-3.

A

Fibrocartilage

  1. Chondrocytes
  2. Fibroblasts
  3. Type 1 Collagen fibers
40
Q

osteoclasts are derived from __ & osteoblasts are derived from __

A

hematopoietic stem cells mesenchymal stem cells

41
Q

Identify 1-3.

A
  1. Territorial Matrix
  2. Lacuna
  3. Interterritorial matrix

Undeleted (13 decks)

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