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Bone Tissue and Structure
Bone types, formation and physiology
25
Anatomy
Undergraduate 1
09/24/2013

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Cards

Term
Axial Skeleton
Definition
Composed of (80) bones
Term
Functions of Skeletal System
Definition
Support
Mineral storage
Production of formed elements
Protection
Leverage
Term
Condyle
Definition
a smooth rounded articular process
Term
Sinus
Definition
an air filled chamber of bone
Term
Sesamoid bones
Definition
Develop inside tendons. e.g. patellae
Term
Wormian bones
Definition
Irregular shaped bones of the skull
Term
Trabecular bone
Definition
Spongy bone
Term
Osteoprogenitor
Definition
Stem cell (of bones) that divide to produce and then differentiate into osteoblasts.
Term
Ossification
Definition
Production of new bone matrix
Term
Osteon
Definition
basic unit of mature,compact bone
Term
Trabeculae
Definition
Avascular, open network matrix of spongy bone.
Term
Appositional growth
Definition
Circumferential lamellae are deposited and the bone continues to increase in diameter.
Term
Endosteum
Definition
cellular layer that lines the medullary cavity and is active in bone growth and repair
Term
Epiphyseal cartilage
Definition
a thin cartilage layer at the metaphysis which separates the epiphysis fro the diaphysis
Term
Spicules
Definition
Bone developing and growing out from the ossification center
Term
Dermal Bones
Definition
Membrane bones that form in the deep layers of the dermis.
Term
Gigantism
Definition
Abnormality resulting from an overproduction of growth hormone before puberty.
Term
Acromegaly
Definition
Abnormal thickening of bones (particularly facial and distal extremities) due to excess growth hormone after epiphyseal cartilage closes.
Term
The most abundant mineral in the human body.
Definition
Calcium.
Term
(Organic compounds (primarily collagen)
Definition
Approximately 33% of the composition of bone
Term
PTH
Definition
Parathyroid hormone which is secreted in response to low calcium plasma levels.
Term
Fracture Hematoma
Definition
Extensive bleeding after a broken bone.
Term
Colles Fracture
Definition
the "breaking your fall" break!; occurs in distal portion of the radius
Term
external callus
Definition
Stablilizes outer edges of fracture site.
Term
Achondroplasia
Definition
Characterized by short, stocky limbs, although the trunk is normal size, and both mental and sexual development are unaffected.
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