Ch. 7.4 Skeletal System Key Terms
collarbones
Clavicles
two extremities
Epiphysis
wrist
carpals
thigh
Femur
long shaft
Diaphysis
palm of the hand
Metacarpals
larger bone of lower arm
Ulna
upper arm
Humerus
shin bone
Tibia
ankle
Tarsals
forms the extremities
appendicular skeleton
the instep of the foot
Metatarsals
a cavity in the diaphysis
medullary canal
hip, bones
os coxae
the spinal column which is composed of 26 bones
Vertebrae
contains cells that form leukocytes
yellow marrow
areas where the cranial bones are joined together
Sutures
help hold the long bones together at the joints
Ligaments
lower arm on the thumb sides
Radius
forms the main trunk of the body
axial skeleton
openings in the bones that allow nerves and blood vessels to enter or leave the bone
Foramina
tough membrane that contains blood vessels, lymph vessels, and osteoblasts that form new bone tissue
Periosteum
lines the medullary canal and keeps the yellow marrow in tact, produces bone growth
Endosteum
found in certain bones and the proximal ends of the numerous and femur
red marrow
a space that allow the enlargement of the skull as the brain grows
Fontanels