BPK 142 Lecture Notes - Lecture 1: Rebar, Blood Vessel, Sagittal Plane

40 views7 pages

Document Summary

Bone is richly supplied with blood vessels: mineral storage calcium and phosphorus. Basic unit of bone material = osteon. Reinforcing bar= collagen: structure of bone. The major building blocks of bone are calcium carbonate, calcium phosphate, collagen fibers, and water. Collagen is a protein that is the main organic constituent of connective tissue. Bone tissue is composed of widely separated cells, called osteocytes, surrounded by matrix. The matrix is about 25 % water, 25 % protein, and 50 % mineral salts. During bone growth osteocytes, around a blood vessel, lay down bone matrix (lamella) in a concentric fashion to form the basic building block of bone: the osteon. Bone is highly dynamic and is continually being remodeled in response to mechanical stress or even absence of stress. The remodeling is caused by a continual process of bone breakdown (resorption) via osteoclasts and bone formation via osteoblasts. Hence the 3 major cells of bone are osteocytes, osteoclasts, and osteoblasts.

Get access

Grade+
$40 USD/m
Billed monthly
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
10 Verified Answers
Class+
$30 USD/m
Billed monthly
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
7 Verified Answers

Related Documents

Related Questions