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