Skeletal system vocabulary.
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Skeletal system | is made of organs called bones
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| diaphysis | the two exrtremities or ends are each called epiphysis
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| qmedullary canal | is a cavity in the diaphysis
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| yellow marrow | fat cells
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| endosteum | is a membrane that lines medullary canal and keeps the yellow marrow intact
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| red marrow | is found in certain bones such as the vertebrae,ribs,sternum,and in the proximal ends of the humerus and femur
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| periosteum | which contains blood vessals,lymph vessels and osteoblasts,special cells that form new bone tissue.
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| Axial skeleton | form the main trunk of the body and is composed of the skull,spinal column,ribs,and breastbone.
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| appendicular skeleton | forms the extremites and is composed of the shoulder girdle,arm bones,pelvic girdle,and leg bones.
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| Cranium | is the spnerical structure that surrounds and protects the brain
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| fontaneis | or "soft spots",allow for the enlargement of the skull as brain growth occurs.
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| sutures | are areas where the cranial bones have joined together
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| sinuses | are air spaces in the bones of the skull that act as resonating chambers for the voice.
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| foramina | are openings in bones that allow nerves and blood vessels to enter or leave the bones.
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| Vertebrae | the spinal column is made up of 26 bones
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| ribs | costae
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| sternum | breastbone is the last bone of the axial skeleton
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| clavicles and scapulas | the shoulder of pectoral girdle is made of two clavicles(collarbones) and two scapulas(shoulder bones)
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| humerus | bones of each arm include one humeruos
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| radium | (lower arm on thumb side)
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| ulna | large bone of lower arm with as projecxtion called the olecranon process at its upper end forming the elbow)
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| Carpals | arm has eight (wrist)
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| Mertacarpals | five (palm of the hand)
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| phalanges | fourteen(fingers)
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| oscoxae | pelvic girdle is made of two (coxal or hip, bones)
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| Femur | leg has one(thigh)
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| patella | one (knee cap)
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| tibia | one
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| fibula | lower leg
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| metatarsals | (instep of foot)(five)
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| phalanges | fourteen (toes)
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| joints | are areas where two or more bones join together
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| ligaments | help hols long bones together at joints
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