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Chapter 6 Flash Cards
Chapter 6 Flash Cards
15
Biology
Undergraduate 1
09/14/2012

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Term
Sutural Bones
Definition
Irregular bones formes between cranial bones
Term
Sinus
Definition
Chamber within bone, usually filled with air
Term
Sulcus
Definition
Deep, narrow groove
Term
Osteoprogenitor  Cells
Definition
Mesenchymal cells that produce cells that differentiate into osteoblasts
Term
Endosteum
Definition
is an incomplete cellular layer that lines the medullary cavity 
Term
Pituitary growth failure
Definition
reduction in growth hormone leads to reduced epiphyseal cartilage activity and short bones 
Term
Marfan Syndrome
Definition
excessive cartilage formation at epiphyseal cartilage 
Term
Gigantism
Definition
Overproduction of growth hormone before puberty 
Term
Fibrodyspasia ossificans progressiva (FOP)
Definition
Gene mutation that causes bone deposition around skeletal muscles 
Term
Acromegaly 
Definition
Growth hormone levels rise after epiphyseal plates close 
Term
Fracture 
Definition
Crack or break due to exteme mechanical stress
Term
Internal Callus
Definition
network of spongy bone unitying inner edges
Term
External callus
Definition
Cartilage and bone stabalizes outer edges
Term
compound facture
Definition
facture inwhich the bone is projected though the skin 
Term
Greenstick fracture
Definition
one side of shaft is broken, one side is bent
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