Saturday, April 23, 2011

Week 4 Bio Vocab Quarter 4

Periosteum - tough layer of connective tissue surrounding a bone

Haversian canals - one of a network of tubes running through compact bone that contains blood vessels and nerves

Bone Marrow - soft tissue inside cavities within bones; two types are yellow marrow and red marrow

Cartilage - strong connective tissue that supports the body and is softer and more flexible than bones

Ossification - process of bone formation during which cartilage is replaced by bone

Joint - place where one bone attaches to another

Ligaments - strip of tough connective tissue in a joint that holds bones together.

Skeletal muscle - striated muscle that is usually attached to the skeleton and is usually under voluntary control

Smooth muscle - involuntary muscle tissue in the walls of viscera and blood vessels, consisting of nonstriated, spindle-shaped cells.

Cardiac muscle - a specialized form of striated muscle occurring in the heartsof vertebrates.

Tendons - . a cord or band of dense, tough, inelastic, white,fibrous tissue, serving to connect a muscle with a bone orpart; sinew.

Epidermis - outer layer of skin

Keratin - tough, fibrous protein found in skin

Melanin - dark brown pigment found in skin

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