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Final Exam Review
Final Exam-Locomtion and Support
22
Biology
Not Applicable
06/05/2005

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Term
Axial appendicular
Definition
made up of the skull, vertebrae, ribs, and brest bone
Term
ligaments
Definition
the tough, fibrous band of connective tissues that hold the bones together at movable joints
Term
tendons
Definition
stong bands of connective tissue that attach skeletal muscle to bone
Term
cartilage
Definition
a type of flexible connectice tissue
Term
Appendicular
Definition
the division of the human skeneton that includes the carms, legs, pectoral girdle, and pelvic girdle.
Term
Sliding filament theory of muscle contraction
Definition
the muscle fibers shorten when the actin slides over the myosin. As the overlap increases, the fiber shoters.
Term
Actin
Definition
The thiner filiments of the myofibrils
Term
myosin
Definition
The thicker filiments of the myofibrils
Term
Myofibrils
Definition
the small fibers that are arranged in a bundle making the larger fiber
Term
joint
Definition
a point in the skeleton where bones meet
Term
immovable joints
Definition
joints in which bones are tightly fitted together. example: the cranium
Term
hinge joints
Definition
permit back and forth motion. example: elbow or knee
Term
ball and socket joints
Definition
allow movement in all directions. example: shoulder and hip
Term
pivot joints
Definition
allow side to side movement and up and down movement. example: base of the skull
Term
gliding joints
Definition
allow some bending and twisting movements. examples: wrist or joints between vertebrae
Term
periosteum
Definition
a tough membrane covering the outside of bones, except joints
Term
marrow
Definition
the soft tissue that fills the hollow spaces in bone
Term
red marrow
Definition
makes red blood cells, platelets, and some types of white blood cells. found in the spongy bone of the vertebraw, ribs, breastbone, cranium, and long bones.
Term
yellow marrow
Definition
made of fat cells and is found in the hollow center of long bones
Term
skeletal muscle
Definition
muscle that is attached to bone and is involved in lovomotion and voluntary movement; strianted muscle. They are fastened to bones of the skeleton. It is made up of bundles of muscle fibers.
Term
smooth muscle
Definition
muscle tissue made up of individual cells, not marked by striations, and not under volentary control; involentary control.
Term
cardiac muscle
Definition
the type of muscle that is found only in the heart. Helps with contractions; involentary
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