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Published byChristina Scott Modified over 5 years ago
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DIFFERENCES BETWEEN A MAN’S AND A WOMAN’S SKELETON
Size—male skeleton generally larger Shape of pelvis—male pelvis deep and narrow; female pelvis broad and shallow Size of pelvic inlet—female pelvic inlet generally wider, normally large enough for baby’s head to pass through it (Figure 6-18) Pubic angle—angle between pubic bones of female generally wider
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JOINT (ARTICULATIONS)
Every bone except the hyoid (which anchors the tongue) connects to at least one other bone Kinds of joints (Figures 6-19 to 6-21) Synarthroses (no movement)—fibrous connective tissue grows between articulating bones; example: sutures of skull Amphiarthroses (slight movement)—cartilage connects articulating bones; example: symphysis pubis Diarthroses (free movement)—most joints belong to this class Structures of freely movable joints—joint capsule and ligaments hold adjoining bones together but permit movement at joint Articular cartilage—covers joint ends of bones and absorbs joints Synovial membrane—lines joint capsule and secretes lubricating fluid Joint cavity—space between joint ends of bones Types of freely movable joints—ball-and-socket, hinge, pivot, saddle, gliding, and condyloid
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