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Histology
Cartilage
17
Histology
Professional
09/22/2011

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Cards

Term
How is cartilage similar to epithelium?
Definition
avasular
Term
What is the function of chondroblasts?
Definition
lay down the matrix(fibers and ground substance)
Term
What is the function of chondrocytes?
Definition
maintain cartilage matrix
Term
What are the types of fibers in cartilage?
Definition
collagen and elastic fibers
Term
What is the function of collagen fibers in cartilage?
Definition
add to tensile strength
Term
What is the function of elastic fibers in cartilage?
Definition
impart elasticity to cartilage
Term
What part of the ground substance is responsible for the weight bearing property of cartilage?
Definition
Proteoglycans
Term
What are the glycosaminoglycans in the ground stubstance of cartilage responsible for?
Definition
attracting water to the cell by way of their negative charges
Term
What are the functions of the perichondrium?
Definition
nutrition, growth of cartilage, and regeneration of cartilage
Term
What are the types of cartilage without perichondrium?
Definition
Hyaline cartilage and fibrocartilage
Term
What are the mechanisms of growth of cartilage?
Definition
appositional growth (adding cartilage from the perichondrium) and interstitial growth (growth from inside by mitosis of chondrocytes)
Term
What are the locations for hyaline cartilage (6)?
Definition
embryonic skeleton, epiphyseal disc/growth plate, nasal septum, respiratory system, costal cartilages, articular cartilages
Term
What type of collagen is found in hyaline cartilage?
Definition
Type II
Term
What type of collagen is found in fibrocartilage?
Definition
Type I
Term
What are 4 locations for elastic cartilage?
Definition
auricle, external auditory meatus, eustachian tube, and epiglottis
Term
Where can you find fibrocartilage in the body (5)?
Definition
IVD, menisci of knee, pubic symphysis, temporomandiublar joint, sternoclavicular joint
Term
What are the factors that limit the ability of cartilage to regenerate?
Definition
avascularity and limited ability of chondrocytes to divide
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