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Chapter 7
Anatomy & physiology
24
Biology
Undergraduate 1
01/24/2011

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Term
What is bone?
Definition
connective tissue in which the matrix is hardened by decomposition of calcium phosphate and other materials.
Term
What are the types of bones?
Definition
long, short ,flat , irregular.
Term
Examples of long bones
Definition
humerus, radius, ulna, femur, tibia, & fibula
Term
Examples of short bones
Definition
carpal(wrist), tarsal(ankle)
Term
Examples of flat bones
Definition
Sternum, scapula, & cranial bones
Term
Function of flat bones
Definition
Protection of soft organs, muscle attachment
Term
Examples of Irregular bones
Definition
Vertebrae, Skull
Term
What are the bone markings?
Definition
projections, depressions, & openings
Term
What are projections & what is their function?
Definition
trochanters, heads and spines. Allow muscle attachment
Term
Examples of depressions & openings & function.
Definition
fossae, sinuses, foramina, grooves. They are passage ways for blood vessels & nerves
Term
Main parts of a long bone.
Definition
epiphysis(end), diaphysis(shaft), Membranes, & endosteum
Term
What is the function of the diaphysis(shaft)?
Definition
provides leverage.
Term
Function of the epiphysis(end)
Definition
provides for attachment of tendons& ligaments
Term
components of the epihysis(end)
Definition
articular cartilage & epiphyseal plate
Term
Diaphysis (shaft) contains?
Definition
Medullary cavity, yellow marrow & red marrow.
Term
What are the membranes in the bone?
Definition
periosteum, fibrous layer, osteogenic layer & perforating sharpey's fibers
Term
What is a diploe?
Definition
Strong bony sandwich that protects the bone
Term
What cells are found in the bone?
Definition
Osteogenic, osteoblasts, osteoclasts &osteocytes
Term
What are osteogenic cells?
Definition
Stem cells that develop frm embryonic mesenchymal cells & then give rise to other cells types
Term
Osteoblasts
Definition
Bone forming cells
Term
Osteocytes.
Definition
Former osteoblasts that have become trapped in the matrix they deposited
Term
Osteoclasts
Definition
bone dissolving cells found on the bone surface
Term
Where is red Marrow found?
Definition
sternum & hip bone
Term
What is yellow marrow and where is it found?
Definition
It is fat & is found in the diaphysis
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