Skeletal System Key Terms

Made of organs called bones

• Muscular system

• Skeletal system

• Integumentary system

• Digestive system

The long shaft of the bone

• Diaphysis

• Medullary canal

• Epiphysis

• Periosteum

Membrane that lines the medullary canal and keeps the yellow marrow intact

• Diaphysis

• Epiphysis

• Periosteum

• Endosteum

A storage area for fat cells; also contains cells that form leukocytes (white blood cells)

• Cranium

• Yellow marrow

• Medullary canal

• Periosteum

Tags

NGSS.MS-LS1-3

The main trunk of the body and is composed of the skull, spinal column, ribs, and breastbone

• Axial skeleton

• Cranium

• Appendicular skeleton

• Skeleton

Forms the extremities and is composed of the shoulder girdle, arm bones, pelvic girdle, and leg bones

• Axial skepeton

• Medullary skeleton

• Appendicular skeleton

• Verrucae skeleton

Thigh bone

• femur

• tibia

• patella

• tarsal

Breastbone

• sternum

• clavicle

• scapula

• radiius

Air spaces in the bones of the skull that act as resonating chambers for the voice

• Sutures

• Fontanels

• Patells

• Sinuses

Soft spots that allow for the enlargement of the skull as brain growth occurs

• Sutures

• Sinuses

• Foramina

• Fontanels