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Ch. 7 Skeletal System
Terms Used to Describe Skeletal Structures
17
Anatomy
11/26/2011

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Term
Condyle
Definition
A rounded process that usually articulates with another bone
ex: Occipital condyle of occipital bone
Term
Crest
Definition
A narrow, ridgelike projection
ex: Iliac crest of ilium
Term
Epicondyle
Definition
A projection situated above a condyle
ex: Medial epicondyle of humerus
Term
Facet
Definition
A small, nearly flat surface
ex: Rib facet of thoracic vertebra
Term
Fontanel
Definition
A soft spot in the skull where membranes cover the space between bones
ex: Anterior fontanel between frontal and parietal bones
Term
Foramen
Definition
An opening through a bone that usually is a passageway for blood vessels, nerves, or ligaments
ex: foramen magnum of occipital bone
Term
Fossa
Definition
A relatively deep pit or depression
ex: Olecranon fossa of humerus
Term
Fovea
Definition
A tiny pit or depression
ex: Fovea capitis of femur
Term
Head
Definition
An enlargement on the end of a bone
ex: Head of humerus
Term
Meatus
Definition
A tubelike passageway within a bone
ex: External acoustic meatus of ear
Term
Process
Definition
A prominent projection on a bone
ex: Mastoid process of temporal bone
Term
Sinus
Definition
A cavity within a bone
ex: Frontal sinus of frontal bone
Term
Spine
Definition
A thornlike projection
ex: Spine of scapula
Term
Suture
Definition
An interlocking line of union between bones
ex: Lambdoid suture between occipital and parietal bones
Term
Trochanter
Definition
A relatively large process
ex: Greater trochanter of femur
Term
Tubercle
Definition
A small, knoblike process
ex: Greater tubercle of humerus
Term
Tuberosity
Definition
A knoblike process usually larger than a tubercle
ex: Radial tuberosity of radius