Anatomy > Cartilage > Flashcards

Cartilage Flashcards

(17 cards)

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1
Q

What are the 3 types of cartilage?

A
  1. Hyaline
  2. Elastic
  3. fibrocartilge
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2
Q

What cells make up hyaline cartilage?

A
  • Chondroblasts
  • chondrocytes
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3
Q

What cells make up elastic cartilage?

A
  • Chondroblasts
  • chondrocytes
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4
Q

What cells makeup fibrocartilage?

A
  • Fibroblasts
  • chondrocytes
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5
Q

What are the characteristics of the ECM for hyaline cartilage?

(Fibrils, monomers etc)

A
  • Type 2 collagen fibrils
  • aggrecan monomers
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6
Q

What are the characteristics of the ECM for Elastic cartilage?
(Fibrils, monomers etc)

A
  • Type 2 collagen fibrils
  • aggrecan monomers
  • elastic fibres
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7
Q

What are the characteristics of the ECM for fibrocartilage?

(Fibrils, monomers etc)

A
  • Type 1 and 2 collagen fibers
  • aggrecan and versican monomers
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8
Q

What is the main function of hyaline cartilage?

A
  • Forms skeleton when foetus
  • smooth, low-friction surface in synovial joints
  • stuctural support to respiratory tract
  • supports growth and shape of long bones
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9
Q

What is the main function of elastic cartilage?

A
  • Flexible shape
  • supports soft tissue
  • auditory canal
  • top of larynx
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10
Q

What is the main function of fibrocartilage?

A
  • cushioning
  • tensile strength
  • resistance to wear and tear/ compression
  • invertebral discs
  • pubic bones
  • tendon connection to bone
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11
Q

What are the main elements of cartilage?

A
  • Cells: chondroplasts and chondrocytes
  • ECM: collagen type 2 and core proteins
  • 70-75% water
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12
Q

How strong and where is cartilage?

A
  • resiliant - ‘shock absorber’
  • below periochondrium
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13
Q

What is the perichondrium?

A
  • dense connective tissue
  • surrounds most cartillage
  • vascular, nerve, lymphatic supply
  • essential for growth and repair
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14
Q

What gives the ECM structural support?

(Type of cell/substance)

A

The proteoglycan (a core protein)

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15
Q

What happens to articular hyaline cartilage as we age?

A
  • Cartillage is not replaced in the body
  • As it wears down, bone cushioning is reduced
  • Causes osteoarthiritis
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16
Q

What is the affect of osteoarthiritus?

Study These Flashcards
A
  • bone-on bone contact leads to bone deterioration.
17
Q

What cartilage is the purple and red?

Study These Flashcards
A

Purple: hyaline
Red: fibrocartilage

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