APHY 102 EXAM PREP QUESTIONS AND ANSWERS
◉Perichondrium . Answer -dense connective tissue that covers cartilage
-contains blood, nerve supply, & lymphatics
- contains collagen, fibers, fibroblasts
◉hyaline cartilage . Answer -provides support, flexibility, and resilience
-most abundant cartilage in the skeleton
-present in these 4 cartilages:
ARTICULAR
COSTAL
NASAL
RESPIRATORY
◉Elastic cartilage . Answer -NOT DIRECTLY RELATED TO
SKELETON
-Eternal Ear & Epiglottis
-Similar to hyaline cartilage but contains elastic
, ◉Fibrocartilage . Answer -highly compressed with great tensile strength
-contains collage fibers
-located in the minisci, intervertebral discs, & pubis symphasis
◉Growth of Cartilage . Answer appositional growth and interstitial
growth
◉appositional growth . Answer cells of the perichondrium secrete
matrix against the external face of existing cartilage (increase width)
◉interstital growth . Answer lacunae-bound chondrocytes inside of the
cartilage divide and secrete new matrix, expanding the cartilage from
within (increase length)
◉Calcification of cartilage occurs during . Answer normal bone growth
and old age
◉axial skeleton . Answer Portion of the skeletal system that consists of
the skull, rib cage, and vertebral column
◉appendicular skeleton . Answer bones of the upper and lower limbs,
shoulder, and the hip
◉long bones . Answer longer than they are wide
◉Perichondrium . Answer -dense connective tissue that covers cartilage
-contains blood, nerve supply, & lymphatics
- contains collagen, fibers, fibroblasts
◉hyaline cartilage . Answer -provides support, flexibility, and resilience
-most abundant cartilage in the skeleton
-present in these 4 cartilages:
ARTICULAR
COSTAL
NASAL
RESPIRATORY
◉Elastic cartilage . Answer -NOT DIRECTLY RELATED TO
SKELETON
-Eternal Ear & Epiglottis
-Similar to hyaline cartilage but contains elastic
, ◉Fibrocartilage . Answer -highly compressed with great tensile strength
-contains collage fibers
-located in the minisci, intervertebral discs, & pubis symphasis
◉Growth of Cartilage . Answer appositional growth and interstitial
growth
◉appositional growth . Answer cells of the perichondrium secrete
matrix against the external face of existing cartilage (increase width)
◉interstital growth . Answer lacunae-bound chondrocytes inside of the
cartilage divide and secrete new matrix, expanding the cartilage from
within (increase length)
◉Calcification of cartilage occurs during . Answer normal bone growth
and old age
◉axial skeleton . Answer Portion of the skeletal system that consists of
the skull, rib cage, and vertebral column
◉appendicular skeleton . Answer bones of the upper and lower limbs,
shoulder, and the hip
◉long bones . Answer longer than they are wide
