UVU ZOOL 2325 Unit2: basic osteology and bones of the superior limb

pecto

bone tissue

osseous tissue

Osteoblasts

Bone building cells

Osteocytes

bone cells

Osteoclasts

Bone-destroying cells

perforating fibers

collagen fibers that penetrate into the bone matrix

articular cartilage

covers the surfaces of bones where they come together to form joints

medullary cavity

central, hollowed-out area in the shaft of a long bone

nutrient canals

A narrow radiolucent band bounded by two thin radiopaque lines （血管のチャネル）

nutrient foramen

Opening through compact bone, allows passage of artery into medullary cavity （骨の外側にある穴）

long bones

bones of the arms and legs

short bones

bones of the wrist and ankles, wrist(16), ankle(14)

flat bones

clavicles, scapulae, hip bones, ribs, sternum, and head bones.

irregular bones

vertebrae and facial bones, the auditory ossicles, mandible, and hyoid bone

sesamoid bones

round bones found near joints (e.g., the patella)

Epiphysis

End of a long bone

Diaphysis

shaft of bone

Metaphysis

where diaphysis and epiphysis meet

Physes or epiphyseal cartilages

the hyaline cartilaginous grown plates between osseous portions of growing long bone (in an infant, child, or adolescent)

Free parts of the limbs

portions which protrude from the trunk

lunate bone

ID the landmark

Tuberosity of the distal phalanx of a finger

ID the landmark