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md0006 - BASIC HUMAN ANATOMY.pdf - Raems.com

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STRUCTURE TISSUE(S) FUNCTION(S)<br />

1. BONE BONY (a) Serves as site of attachment for the<br />

skeletal muscles.<br />

(b) Serves as lever of motion.<br />

2. ARTICULAR<br />

CARTILAGE<br />

3. FIBROUS<br />

CAPSULE<br />

4. SYNOVIAL<br />

MEMBRANE<br />

5. SYNOVIAL<br />

SPACE<br />

6. SYNOVIAL<br />

FLUID<br />

HYALINE<br />

CARTILAGE<br />

MD0006 4-11<br />

Serves as smooth surface, over which motion<br />

takes place.<br />

DENSE FCT Encloses articulation.<br />

SIMPLE<br />

SQUAMOUS<br />

EPITHELIUM<br />

7. LIGAMENT (VERY) DENSE<br />

FCT<br />

8. SKELETAL<br />

MUSCLE<br />

(a) Lines capsule.<br />

(b) Secretes synovial fluid into synovial<br />

space.<br />

- Frees articulation for motion.<br />

SEROUS FLUID Lubricates articulation.<br />

STRIATED<br />

MUSCLE<br />

FIBERS<br />

Holds the bones together.<br />

Applies force to produce motion.<br />

Table 4-1. The tissues and functions of structures of a "typical"<br />

synovial articulation.<br />

c. Multi-Axial Synovial Joints. In multi-axial joints, motion is possible in all<br />

three planes of space.<br />

(1) The ball-and-socket-type synovial joint has the freest motion in all<br />

directions. A spherically rounded head (ball-like) fits into a receiving concavity (socket).<br />

The hip joint is an example of the ball-and-socket type, with the spherical head of the<br />

femur fitting into the cup or socket (acetabulum) of the pelvic bone.

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