Ch. 7.4 Skeletal System
What is Appendicular skeleton
Forms the extremities and is composed of the shoulder girdle, arm bones, pelvic girdle, and leg bones.
What is Axial skeleton
Forms the main trunk of the body and is composed of the skull, spinal column, ribs, and breastbone.
What is Carpals
Wrist.
What is Clavicles
Collarbones
What is Cranium
Spherical structure that surrounds and protects the brain.
What is Diaphysis
Long shaft of the bone.
What is Endosteum
A membrane that lines the medullary canal and keeps the yellow marrow intact, while also producing some bone growth.
What is Epiphysis
The two extremities, or ends of the bone.
What is Femur
Thigh.
What is Fibula
The slender smaller bone of the lower leg that attaches to the proximal end of the tibia.
What is Fontanels
The slender smaller bone of the lower leg that attaches to the proximal end of the tibia.
What is Foramina
Openings in bones that allow nerves and blood vessels to enter or leave the bone.
What is Humerus
Upper arm.
What is Joints
Areas where two or more bones join together.
What is Ligaments
Connective tissue bands.
What is Medullary canal
Cavity in the diaphysis of the bone.
What is Metacarpals
Palm of the hand.
What is Metatarsals
Instep of foot.
What is Os coxae
Hip bones, makes up the pelvic girdle.
What is Patella
Kneecap
What is Periosteum
Tough membrane that covers the outside of bone, containing blood vessels, lymph vessels, and osteoblasts, which are special cells that form new bone tissue.
What is Phalanges
Finger bones.
What is Radius
Lower arm on thumb side that rotates around the ulna to allow the hand to turn freely.
What is Red marrow
Found in certain bones, such as the vertebrae, ribs, sternum, and cranium, and in the proximal ends of the humerus and femur. This is where a process known as hematopoiesis takes place.
What is Ribs
12 pairs, attached to the thoracic vertebrae on the dorsal surface of the body.