Welcome to the Glossary!

attached
To fasten, secure, or join: attached the wires to the post.
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ball and socket joint
A joint in which a ball moves within a socket, so as to admit of motion in every
direction within certain limits.
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Blood
The fluid consisting of plasma, red blood cells, white blood cells, and platelets that is circulated by the heart through the arteries and veins, carrying oxygen and nutrients to and waste materials away from all body tissues.
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bone
Any of numerous anatomically distinct structures making up the skeleton of a vertebrate animal. There are more than 200 diferent bones in the human body.
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bone marrow
The soft, fatty, vascular tissue that fills most bone cavities and is the source of red blood cells and many white blood cells.
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calcified bone

Bone made stony or chalky by deposition of calcium salts

Callus
A localized thickening and enlargement of the horny layer of the skin. Also called callosity. The hard bony tissue that develops around the ends of a fractured bone during healing.
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car·tilage
A tough, elastic, fibrous connective tissue found in various parts of the body, such as the joints, outer ear, and larynx. A major constituent of the embryonic and young vertebrate skeleton, it is converted largely to bone with maturation.
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compact bone
The compact noncancellous portion of bone that consists largely of concentric lamellar osteons and interstitial lamellae. Also called compact substance.
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contract
To reduce in size by drawing together.
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femur
A bone of the leg situated between the pelvis and knee in humans. It is the largest and strongest bone in the body.
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flex
To bend (a joint).
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flexible
Capable of being bent repeatedly without injury or damage.
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glide
To move in a smooth, effortless manner: a submarine gliding through the water.
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gliding joint
a freely moving joint in which the articulations allow only gliding motions
[syn: articulatio plana]
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hinge joint
A joint, such as the elbow, in which a convex part of one bone fits into a
concave part of another, allowing motion in only one plane.
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joint A place or part at which two or more things are joined.
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Mandible
A U-shaped bone forming the lower jaw, articulating with the temporal bone on either side. Also called submaxilla.
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Marrow
The fatty network of connective tissue that fills the cavities of bones
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membrane A thin, pliable layer of tissue covering surfaces or separating or connecting regions, structures, or organs of an animal or a plant.
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motion
The manner in which the body moves, as in walking.
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muscle A tissue composed of fibers capable of contracting to effect bodily movement.
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pelvis
A basin-shaped structure of the vertebrate skeleton, composed of the innominate bones on the sides, the pubis in front, and the sacrum and coccyx behind, that rests on the lower limbs and supports the spinal column.
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Periosteum
A dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles; contains nerves and blood vessels that nourish the enclosed bone http://dictionary.reference.com/search?q=periosteum

pivot joint
A joint in which a bone rotates around another; a joint permitting only rotating
movement.
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relax
To become lax or loose.
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rotate
To turn around on an axis or center.
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Skeletal Muscle A usually voluntary muscle made up of elongated, multinucleated, transversely striated muscle fibers, having principally bony attachments. Also called striated muscle.
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skeleton
n. 1The internal structure composed of bone and cartilage that protects and supports the soft organs, tissues, and other parts of a vertebrate organism; endoskeleton.
2All the bones of the body taken collectively.3The exoskeleton.
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Spinal Cord The thick, whitish cord of nerve tissue that extends from the medulla oblongata down through the spinal column and from which the spinal nerves branch off to various parts of the body.
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spine The spinal column of a vertebrate.
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spongy bone
Bone in which the spicules form a latticework, with interstices filled with embryonic connective tissue or bone marrow. Also called cancellous bone, spongy substance, trabecular bone.
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tendon
A band of tough, inelastic fibrous tissue that connects a muscle with its bony attachment.
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Vertebra
Of the bones or cartilaginous segments forming the spinal column.
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voluntary muscle
A muscle, such as any of the striated muscles except the heart, whose action is normally controlled by individual volition.
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