Chapter Fifteen- Musculoskeletal Flashcards
acetabulum
rounded depression, or socket, in the pelvis that joins the femur, forming the hip
acromion
extension of the shoulder blade; articulates with the clavicle
articular cartilage
thin layer of cartilage covering the bone in the joint space
bone
dense, hard connective tissue composing the skeleton
calcium
mineral in bone
cancellous bone
spongy, porous, bone tissue in the inner portion of bone
cartilage
flexible, rubbery connective bone
collagen
dense, connective tissue protein strands found in bone and other tissues
compact bone
hard, dense bone tissue, usually found around the outer portion of bones
condyle
knuckle-like process at the end of a bone near the joint
cranial bones
skull bones; ethnoid, frontal, occipatal, parietal, sphenoid & temporal
diaphysis
mid portion of a long bone
disk (disc)
flat,round, plate-like structure
epiphyseal plate
cartilaginous area at the ends of long bones where lengthwise growth takes place in the immature skeleton
epiphysis
end of the long bone
facial bones
bones of the face; lacrimal, mandibular, maxillary, nasal, vomer, and zygomatic
fissure
narrow slit like opening between bones
fontanelle
soft spot between skull bones of an infant
foramen
opening in bones where blood vessels and nerves enter and leave
fossa
shallow cavity in a bone
haversian canals
spaces filled with blood vessels in compact bone
malleolus
round process on both sides of the ankle joint
manubrium
upper portion of the sternum
mastoid process
round projection of the temporal bone behind the ear
medullary cavity
central, hollowed out area in the shaft of a long bone
metaphysis
flared portion of a long bone; between diaphysis and epiphyseal plate
olecranon
elbow
osseous tissue
bone tissue
ossification
bone formation
osteoblast
build bone
osteoclast
break down bone
periosteum
membrane surrounding bone
phosphorus
found in bone with calcium
pubic symphysis
coming together of the two pubic bones in the pelvis by a fibrocartilaginous disk
red bone marrow
site of hematopoeisis
ribs
twelve pairs of curved bone in chest; true-first 7 pairs; false-8-10; floating-11&12
sella turcia
depression in the sphenoid bone where pituitary gland is located