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Anatomy and Physiology
Terms used to describe bone markings
23
Anatomy
Undergraduate 1
07/19/2017

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Term
Angle
Definition
A corner
Term
Body
Definition
The main portion of a bone
Term
Border
Definition
Edge of a bone
Term
Condyle
Definition
  • Rounded bump
  • Usually fits into a fossa on another bone to form a joint.
Term
Crest
Definition
  • Moderately raised ridge;
  • Generally a site for muscle attachement
Term
Epicondyle
Definition
  • Bump near a condyle
  • Often gives the appearance of a "bump on a bump"
  • For muscle attachment
Term
Facet
Definition
Flat surface that forms a joint with another facet of flat bone.
Term
Fissure
Definition
Long, cracklike hole for blood vessels and nerves
Term
Foramen
Definition
Round hole for vessels and nerves (pl., foramina)
Term
Fossa
Definition
  • Depression
  • Often receives an articulating bone (pl., fossae)
Term
Head
Definition
Distinct epiphysis on a long bone, separated from the shaft by a narrowed portion (or neck)
Term
Line
Definition
Similar to a crest but not raised as much (is often rather faint)
Term
Margin
Definition
Edge of a flat bone or flat portion of the edge of a flat area.
Term
Meatus
Definition
Tubelike opening or channel (pl., meatus or meatuses)
Term
Neck
Definition
Narrowed portion, usually at the base of a head.
Term
Notch
Definition
A V-like depression in the margin or edge of a flat area.
Term
Process
Definition
A raised area or projection
Term
Ramus
Definition
Curved portion of a bone, like a ram's horn (pl., rami)
Term
Sinus
Definition
Cavity within a bone.
Term
Spine
Definition
  • Similar to a crest but raised more
  • A sharp, pointed process
  • For muscle attachment
Term
Sulcus
Definition
Groove or elongated depression (pl., sulci)
Term
Trochanter
Definition
Large bump for muscle attachment (larger than a tubercle or tuberosity)
Term
Tuberosity
Definition
  • Oblong, raised bump, usually for muscle attachment
  • Also called a tuber
  • A small tuberosity is called a tubercle
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