Flashcards in Bone Nishimoto Deck (16)
Two major types of bone are?
Trabecular (spongy) and cortical (Solid)
Trabecular bone is located where?
The end of long bones
Cortical is located where
Compressive stress =
body wt pushing bone down
Tensile stresses= muscle pulling bone apart
Cortcal bone is organized into
Organic matrix of bone consists primarily of
mineral component of bone is mostly
Water is approximately what percentage of bone mass
bone density =
weight of mineral per volume of bone
osteocytes have long cellular processes
PTH binds to what bone cell
Bone lining cell
Osteoblasts come from what?
Bone marrow precursor cells...these precursor cells are capable of turning into osteoblasts or fat cells
What is the job ofosteoblasts
Make the proteins that will form the organic matrix of bone...osteoid
What the hell are osteoclasts
Multinucleate giant cells formed by differentiation and fusion of monocytes