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Ch 6 Flashcards
Bone structure
16
Anatomy
Undergraduate 1
02/04/2013

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Term
Axial Skeleton
(80 bones)
Definition
Consists of the bones of the skull, thorax, and vertebral column. Forms the longitudinal axis of the body.
Term
Appendicular Skeleton
(126 bones)
Definition
Includes the bones of the limbs and the pectoral and pelvic girdles that attach the limbs to the axial skeleton.
Term
Flat bones
Definition
Thin, roughly parallel surfaces.
(Cranial bones, sternum)
Term
Sutural bones (Wormian bones)
Definition
Irregular bones formed between cranial bones. Number, size, and shape vary.
Term
Long bones
Definition
Relatively long and slender. various bones of the limbs
Term
Irregular Bones
Definition
complex shapes. Ex.-Vertebrae, bones of pelvis and facial bones
Term
Sesamoid Bones
Definition
Small, flat, and somewhat shaped liked seseme seeds. Develop in tendons of knee, hands, and feet.
Term
Short Bones
Definition
Small and boxy. Bone of wrist and ankle.
Term
Canal or Meatus
Definition
Large passageway
Term
Process
Definition
Projection or bump
Term
Sinus
Definition
Chamber within bone usually filled with air
Term
Foramen
Definition
Small rounded passageway
Term
Fissure
Definition
Elongated cleft or gap
Term
Head
Definition
Expanded proximal end that forms part of joint
Term
Tubercle
Definition
Small rounded projection
Term
Tuberosity
Definition
Small rough projection; May occupy broad area
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