NSE 13A/B Chapter Notes - Chapter 24: Anterior Superior Iliac Spine, Posterior Superior Iliac Spine, Synovial Joint

76 views13 pages
19 Jan 2017
Department
Course
Professor

Document Summary

Produce red blood cells in bone marrow (hematopoiesis) Reservoir for storage of essential minerals (i. e. calcium and phosphorus) Bone is hard, rigid, and very dense. Joint: place of union of two or more bones: functional units of the musculoskeletal system, enable the mobility needed for activities of daily living. Immovable: bones are united by fibrous tissue or cartilage. Synovial joints: freely movable, bones that are separated from each other and are enclosed in a joint cavity. Cavity is filled with synovial fluid (a lubricant: a layer of resilient, avascular cartilage covers the surface of opposing bones, surrounded by a fibrous capsule and is supported by ligaments. Ligament: fibrous bands running directly from one bone to another that strengthen the joint and help prevent movement in undesirable directions. Bursa: enclosed sac filled with viscous synovial fluid; located in areas of potential friction (e. g. shoulder, knee) and help muscles and tendons glide smoothly over bone. Account for 40%-50% of the body"s weight.

Get access

Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers
Class+
$8 USD/m
Billed $96 USD annually
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
30 Verified Answers

Related Documents