Ch 7.4 Terms
What is the appendicular skeleton?
Forms the extremities and is composed of the shoulder, girdle, arm bones, pelvic girdle and leg bones.
What is Diaphysis?
The long shaft
What are the fontanels?
Soft spots that allow for the enlargement of the skull as brain growth occurs.
What is the medullary canal?
A cavity in the diaphysis.
What is the periosteum?
The outside of bone covered with a tough membrane.
What is the axial skeleton?
Forms the main trunk of the body and is composed of the skull,spinal column,ribs and breastbone.
What is the endosteum?
A membrane that lines the medullary canal and keeps the yellow marrow intact.
What is the foramina?
Openings in bones that allow nerves and blood vessels to enter or leave the bone.
What are metacarpals?
Palm of the hand
What are phalanges?
2 on the great toe and 3 on each of the other 4 toes.
What are carpals?
The wrist
What is the epiphysis?
the two extremities or ends.
What is the humerus?
The upper arm
What are the metatarsals?
Instep of the foot
What is the radius?
Lower arm on thumb side that rotates around the ulna to allow the hand to move freely.
What are clavicles?
Collerbones
What is the femur?
The thigh
What are joints?
Areas where two or more bones join together.
What is os coxae?
Coxal or hip bones.
What is tarsals?
The ankle
What is the cranium?
The spherical structure that surrounds and protects the brain.
What is the fibula?
The slender smaller bone of the lower leg that attaches to the proximal end of the tibia.
What are ligaments?
Connective tissue bands that hold long bones together as joints.
What is the patella?
The kneecap
What is the yellow marrow?
A storage area for fat cells.