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Anatomy- Section 2.3

The Musculoskeletal System

QuestionAnswer
Some ____% of the total bone mass is replaced each year by the remodeling process. 20
The ____ ____ are small perforations of the long bones through which the blood vessels and nerves travel into the bone itself. haversian canals
An ____ is a bone-forming cell found in the bone matrix that helps maintain the bone. osteocyte
An ____ is a cell that helps in the creation of new bone during growth and bone repair. osteoblast
An ____ is a bone cell that absorbs and removes excess bone. osteoclast
____ ____ are structures through which blood vessels enter and exit the bone shaft. Perforating canals
____ is the loss of blood vessels from a body part. Devascularization
A ____ is a hollow shaft found in long bones. diaphysis
An ____ is the end of a long bone, including the epiphyseal, or growth plate, and supporting structures underlying the joint. epiphysis
____ is having a latticework structure, as in the spongy tissue of a bone. Cancellous
An ____ ____ is a surface of a bone that moves against another bone. articular surface
____ is a growth zone of a bone, active during the development stages of youth. Metaphysis
The ____ is located between the epiphysis and the diaphysis. metaphysis
The ____ ____ is an area of the metaphysis where cartilage is generated during bone growth in childhood. epiphyseal plate
The ____ ____ is also known as the growth plate. epiphyseal plate
The ____ ____ is a cavity within a bone that contains the marrow. medullary canal
____ ____ ____ is a tissue that stores fat in semiliquid form within the internal cavities of a bone. Yellow bone marrow
____ ____ ____ is tissue within the internal cavity of a bone responsible for manufacture of erythrocytes and other blood cells. Red bone marrow
____ is the tough exterior covering of a bone. Periosteum
____ is connective tissue providing the articular surfaces of the skeletal systems. Cartilage
A ____ ____ is a bone that forms in a tendon. sesamoid bone
____ are classified according to their general shape. Bones
A ____ is an area where adjacent bones articulate. joint
Types of Joints: ____, ____, ____ Synarthroses, Amphiarthroses, Diarthroses
____ is a joint that does not permit movement. Synarthrosis
____is a joint that permits a limited amount of independent motion. Amphiarthrosis
____ is a synovial joint. Diarthrosis
A ____ ____ is a joint that permits the greatest degree of independent motion. synovial joint
____ is the bending motion that reduces the angle between articulating elements. Flexion
____ is the bending motion that increases the angle between articulating elements. Extension
____ is the movement of a body part towards the midline. Adduction
____ is the movement of a body part away from the midline. Abduction
____ is a turning along the axis of a bone or joint. Rotation
____ is the movement at a synovial joint where the distal end of a bone describes a circle but the shaft does not rotate; movement through an arc of a circle. Circumduction
____ are connective tissue that connects bone to bone and holds joints together. Ligaments
A ____ ____ is the ligaments that surround a joint. joint capsule
A ____ ____ is also known as a synovial capsule. joint capsule
____ ____ is a substance that lubricates synovial joints. Synovial fluid
The ____ are sacs containing synovial fluid that cushion adjacent structures. bursae
The ____ ____ are bones of the head, thorax, and spine. axial skeleton
The ____ ____ are bones of the extremities, shoulder girdle, and pelvis (excepting the sacrum). appendicular skeleton
Bones of the young child remain flexible and do not reach maximum strength until maturation which is usually completed by ____ to ____ years of age. 18, 20
After approximately the age of ____, the body begins to lose the ability to maintain bone structure. 40
Types of Muscle: ____, ____, ____ Cardiac, Smooth, Skeletal
A ____ is a small bundle of muscle fibers. fasciculus
The ____ is an attachment of a muscle to a bone that does not move (or experiences the least movement) when the muscle contracts. origin
The ____ is an attachment of a muscle to a bone that moves when the muscle contracts. insertion
____ is the pairing of muscles that permits extension and flexion of limbs. Opposition
____ is the state of slight contraction of muscles that gives them firmness and keeps them ready to contract. Tone
Created by: whit_1348