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bone part and markings
definitions of bone parts and markings
25
Anatomy
Undergraduate 1
09/02/2013

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Term
Diaphysis
Definition
The cylindrical shaft of a long bone. May have other markings on it.
Term
Facet
Definition
A smooth, flat area where the bone articulates with part of another bone.
Term
Canal
Definition
A tube-like opening through which nerves and blood vessels often pass.
Term
Epiphysis
Definition
The enlarged end of a long bone. Often includes other markings such as condyles or epicondyles.
Term
Trochanter
Definition
A large irregularly shaped projection of a bone.
Term
Tubercle
Definition
A small round projection of a bone.
Term
Meatus
Definition
A tube-like opening or passage in a bone.
Term
Spine
Definition
A sharp, slender projection of a bone for muscle, tendon, or ligament attachment.
Term
Tuberosity
Definition
A large, rounded projection of a bone for muscle attachment, usually rough.
Term
Fissure
Definition
A narrow elongated opening, usually irregular in shape. nerves and vessels often pass through.
Term
Ramus
Definition
A round or flattened extension from the body of the bone, usually for articulation with another bone.
Term
Fossa
Definition
A large,flat region or shallow depression on a bone.
Term
Head
Definition
A rounded enlargement carried on a neck of a bone which takes part in forming a joint.
Term
Neck
Definition
A narrow region at one end of a long bone, leading to a head.
Term
Sinus
Definition
An air-filled cavity within a bone, lined by mucous membrane.
Term
Line
Definition
A narrow ridge, smaller that a crest but also a place where a flat ligament, tendon, or muscle attaches to the bone.
Term
Groove
Definition
A narrow depression on a bone through which some other structure runs.
Term
Process
Definition
A general term for a long projection from a bone.
Term
Body
Definition
The main part if a bone from which other markings often extend
Term
Crest
Definition
A narrow ridge on the bone, usually found where a flat muscle, tendon, or ligament attaches to the bone.
Term
Wing
Definition
An elongated, flattened extension of a bone.
Term
Condyle
Definition
A large round projection where the bone articulates with part of another bone.
Term
Foramen
Definition
A round or oval hole through a bone, not as long as a canal or meatus.
Term
Protuberance
Definition
a small irregular projection from a bone.
Term
Epicondyle
Definition
A relatively small, rounded bump where muscles, tendons, and ligaments attach to the bone, always located on the surface of a condyle.
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