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Human Biology Lab 9
Skeletal System
11
Biology
Undergraduate 2
12/25/2011

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Term
hyaline cartliage
Definition
it can be found in baby because it has water which lets "bone" to extand. (fetus to 5month) than it replaced by bone.
Term

bone tissue

↓       ↓

spongy   compact

Definition

Spongy bone tissue is bone tissue characterized by thin, hard interconnecting bony elements enclosing hallow spaces. Red blood cells are produced in the spaces between the bony elements. 

Compact bone tissue type of dense bone tissue found on the outer surfaces and shafts of bones. 

Term

bone marrow

↓          ↓

red   yellow

Definition

Yellow Bone Marrow is primarily fat that can be utilized for energy. 

Red Bone Marrow is primary function to produce white, red blood cells and platelets.

Term
white fibrous tissue (tendon)
Definition
Tendon is white fibrous tissue used for the attachment of muscles, and may either be arranged in the form of aponeurosis or in solid bands; it has a satin-like lustre of considerable brilliancy. When tendons rupture during life, they snap straight across. 
Term
elastic tissue (ligament)
Definition
Ligament is white fibrous tissue used for binding bones together; it is not so lustrous as tendon; and when it gives way, which is very seldom, it does not snap but tears.
Term
central canal
Definition
in bone, the hollow central tube of an osteon that contains nerves and blood vessels.
Term
osteon
Definition
a cylindrical structure in bone composed of layers of living bone cells and hard extracellular material, arranged like the layers of an onion. In the center is a central canal through which nerves and blood vessels pass.
Term
chondrocyte(cartlige cell)
Definition
the only cells found in the cartlige
Term
osteocyte (bone cell)
Definition
a mature bone cell
Term
fibroblast (general C.T. cell)
Definition
young, actively mitotic cell that forms the fibers of connective tissue.
Term
lacuna 
Definition
a small pit or hollow cavity within bone
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