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Anatomy of a long bone
Anatomy of a long bone
14
Biology
Undergraduate 2
03/24/2011

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Term
Periosteum
Definition
Tough, fibrous connective tissue covering continous with the ligament and tendons that anchor bones. Allows blood vessels to enter the bone and service its cells.
Term
Epiphysis
Definition

Expanded portions at each end of the bone that contain spongy bone.

There is a great deal of cartilage at the end of each of the long bones.

 

Term
Diaphysis
Definition
Extended portion, or shaft of a long bone that lies between the epiphesys. Walls are compact bone. Middle of the bone.
Term
Hyaline (articular) Cartilage
Definition

layer of cartilage where the bone articulates (meets) with another bone; decreases friction between bones during movement.

Spongy bone (contains red bone marrow)

Term
Medullary Cavity
Definition
Cavity located in the diaphysis that stores yellow marrow, which contains a large amount of fat. (contains yellow bone marrow)
Term
Foramen magnum
Definition
a large opening through which the spinal cord passes
Term
The skull is composed of:
Definition

Frontal Bone: Forms forehead

Parietal bones: Extend to sides of skull

Occipital bone: Curves to form base of skull

Term
Temporal bones
Definition
located on sides of skull
Term
sphenoid bone
Definition
helps form base and sides of skill, as well as part of the orbits
Term
Mandible
Definition
The lower jaw
Term
Maxillae
Definition
The upper jaw and anterior portion of the hard palate
Term
Palatine bones
Definition
Posterior portion of hard palate and floor of nasal cavity
Term
Zygomatic bones
Definition
Cheekbones
Term
Nasal bones
Definition
Bridge of nose
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