Cartilage Flashcards

0
Q

Type of cartilage that provides a low-friction surface, participates in lubricating synovial joints and distribute applied forces to the underlying bone

A

Hyaline cartilage

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1
Q

Is a form CT composed of cells called Chondrocyte and a highly specialized extracellular matrix

A

Cartilage

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2
Q

Disease is characterized by chronic joint pain with various degree of joint deformity and destruction of the articular cartilage

A

Osteoarthritis

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3
Q

Facilitates fibril interaction with the matrix PG molecules (Hyaline cartilage)

A

Type 9 collagens

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4
Q

Regulates fibril size (Hyaline cartilage)

A

Type 11 collagens

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5
Q

Organizes the collagen fibrils into a 3D hexagonal lattice that is crucial to its successful mechanical fnx

A

Type 10 collagens

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6
Q

Also found in the matrix, mainly at the periphery of the chondrocytes where it helps to attach these cells to the matrix framework

A

Type 6 collagens

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7
Q

Hyaline cartilage matrix is _____ to provide resilience and diffusion of small metabolites

A

Highly hydrated

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8
Q

Characteristics that allow the cartilage matrix to respond to varying pressure loads and contribute to cartilage’s weight-bearing capacity

A

High degree of hydration and the movement of water in the matrix

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9
Q

Specialized cells that produce and maintain the extracellular matrix

A

Chondrocytes

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10
Q

A ring of a more densely staining matrix located immediately around the chondrocytes

A

Capsular or Pericellular matrix

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11
Q

A region that is more removed from the immediate vicinity of the chondrocytes. It surrounds the isogenous group.

A

Territorial matrix

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12
Q

A region that surrounds the territorial matrix and occupies the space between isogenous groups

A

Interterritorial matrix

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13
Q

A pressure-resistant region closest to the articular surface

A

Superficial or tangential zone

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14
Q

Lies below the superficial zone and contains round chondrocytes randomly distributed within the matrix

A

Intermediate or transitional zone

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15
Q

Characterized by small, round chondrocytes that are arranged in short columns perpendicular to the free surface of the cartilage

A

Deep or radial zone

16
Q

Is characterized by a calcified matrix with the presence of small chondrocytes

A

Calcified matrix

17
Q

The site of hyaline cartilage formation is recognized initially by an aggregate of mesenchymal or ectomesenchymal cells

A

Chondrogenic nodule

18
Q

Triggers differentiation of these cells into chondroblast

A

Expression of transcription factor SOX-9

19
Q

The process that forms new cartilage at the surface of an existing cartilage

A

Appositional growth

20
Q

The process that forms new cartilage within an existing cartilage mass

A

Interstitial growth