Lab Exercise #5: Bone Tissue Practice Flashcards

Vocabulary flashcards covering bone markings, gross anatomical structures of long bones, and microscopic anatomy of bone tissue.

Ramus

An armlike projection on a bone.

Sinus

An air-filled cavity within a bone.

Tubercle

A small rounded projection on a bone.

Meatus

A canal-like structure in a bone.

Foramen

An opening through a bone.

Fossa

A shallow depression in a bone.

Spine

A sharp, slender process on a bone.

Diaphysis

The shaft of a long bone.

Epiphysis

The proximal or distal end of a long bone.

Spongy bone

The porous type of bone tissue indicated in the diagram.

Epiphyseal line

The structure in adults that the epiphyseal plate becomes after bone growth stops.

Medullary cavity

The internal cavity of the bone shaft where fat is stored.

Periosteum

The fibrous outer covering of the bone.

Yellow bone marrow

The substance stored in the medullary cavity; it is NOT the site of red blood cell production.

Central canal

A canal in an osteon that contains nerve, vein, and artery.

Femur

An example of a long bone.

Perforating canals

Canals that run at right angles to the bone shaft and central canals.

Canaliculi

Extremely small canals that connect lacunae.

Lacuna

A small chamber or space that contains an osteocyte inside.

Lamella

Concentric rings or layers of bone matrix.