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Skeletal & Muscular

Vocabulary

QuestionAnswer
Epiphysis To extremities or ends
Fontanels "Soft spots" that allow for the enlargement of the skull as the brain growth occurs
Sinuses Spaces in the skull
Sutures Area where cranial bones have joined together
Foramina Openings in the bones that allow nerves and blood vessels to enter or leave the bone
Appendicular Skeleton Composed of the shoulders and the girdle, arm bones, pelvic girdle, and leg bones
Red Marrow Found in certain bones such as the vertebrae, ribs, sternum, and cranium
Joints Two or more bones joined together
Axial Skeleton Main trunk of the body
Periosteum Necessary for bone growth, repair, and nutrition
Medullary Canal Cavity in the diaphysis
Diaphysis Long shaft on two extremities of the bones
Ligaments Hold long bones together at joints
Yellow Marrow Composed of fat cells
Endosteum Membrane that lines the medullary canal and keeps the yellow marrow intact
Visceral Muscle Smooth muscle, found in the internal organs of the body such as the digestive and respiratory system, blood vessels and eyes
Excitability irritablity, the ability to respond to a stiumulus such as a nerve impuluse
Flexion Decreasing the angle between two bones or bending a body part
Insertion The ends that move the muscles when the muscles contract
Fascia Tough, sheet like membrane that covers and protects the tissue
Origin Ends that do not move
Tendon Strong, tough connective-tissue cords
Cardiac Muscle Forms the wall of the heart and contracts to circulate blood
Skeletal Muscle Attached to bones and causes body movement
Extension Increasing the angle between two bones or straightening a body part
Contract Become short and thick
Elasticity Allows the muscle to return to its original shape after it has contracted or stretched
Circumduction Moving in a circle at a joint or moving one end of a body part in a circle while the other end remains
Adduction Moving a body part towards the midline
Abduction Moving a body part away from the midline
Rotation Turning a body part around its own axis
Muscle Tone Partial contraction
Contraction Severe tightening of a flexor muscle resulting in bending of a joint
Created by: pkieffer
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