Details

Title: !Fishes 2

Description: Bone

Total Flash Cards: 6

Created: 11/10/2009 22:42:34

New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE.

Existing Users: CLICK HERE.

Additional Biology Flashcards

Cards in this set:

Term
formation of bone
 Definition
ectodermal and mesodermal cells; osteoblast cells that make extracellular matrix of mucopolysaccharides and collagen; matrix mineralized w/ addition of calcium phosphate (apatite)
Term
original functions for bone
 Definition
phosphate/calcium reserve; protection/insulation of electrosensory organs; all materials present in chordate stock, assembled in new way; protection of whole body, some earlies verts bony exoskeleton
Term
bony internal skeleton developed when
 Definition
early devonian
Term
internal skeleton
 Definition
originally cartilage, how our internal skeleton start out
Term
cartilage
Definition
invaded by blood vessels, cartilage (polysaccharide gel) broken down and replaced by osteoblasts and bone
Term
endochondral bone
 Definition
rather than dermal bone thats remnant of exoskeleton