Questions and CORRECT Answers
osteocytes - CORRECT ANSWER - mature bone cells
maintain the bone matrix
symphysis - CORRECT ANSWER - a joint where bones are connected by fibrocartilage
ex: pubis, vertebral disks
synchondrosis - CORRECT ANSWER - a joint where the bones are united by hyaline
cartilage
ex: ribs to sternum
syndesmosis - CORRECT ANSWER - a joint where the bones are joined by a ligament or
a sheet of fibrous tissue
ex: radius to ulna
synarthrosis - CORRECT ANSWER - immovable joint
ex: suture, gomophosis, synchondrosis, syndesmosis
circumduction - CORRECT ANSWER - movement of a body part so that it outlines a
cone in space
appendage is stationary while movement is made in a circle
fibrocartilage - CORRECT ANSWER - located in sites where pressure and stress are
frequent
ex. knee, vertebral disks
, hyaline cartilage - CORRECT ANSWER - provides support with flexibility and resistance.
most abundant
appositional growth - CORRECT ANSWER - "growth from outside"
matrix is secreted onto existing cartilage
interstitial growth - CORRECT ANSWER - "growth from inside"
describe long bones - CORRECT ANSWER - -shafts and two expanded ends
-longer than they are wide
-all bones except patella, carpals and tarsals
structures of long bone - CORRECT ANSWER - Diaphysis - shaft
Epiphyses - Bone ends
Membranes
osteoblasts - CORRECT ANSWER - bone forming cells, secrete bone matrix
osteoclasts - CORRECT ANSWER - large cells that break down the bone matrix
osteon - CORRECT ANSWER - system of interconnecting canals in the structure of adult
compact bone
also known as: Haversian System
lamellae - CORRECT ANSWER - layers of bone matrix in an osteon of compact bone
central canal - CORRECT ANSWER - canal in the center of each osteon that contains
minute blood vessels and nerve fibers that serve the need of osteocytes