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Biol 223 Bone Feat.
Bone Features and Markings, Table 6-1
Word | Definition |
---|---|
tuberosity | large, rounded projection for muscle attachment |
crest | narrow ridge of bone, usually very prominent |
trochanter | a large, rough projection |
line | narrow ridge of bone, less prominent than crest |
tubercle | small rounded bump |
epicondyle | raised area on or above a condyle |
spine | sharp slender pointy projection |
process | any projection or bump |
facet | smooth flat surface, like on a cut stone |
condyle | rounded articular projection |
ramus | an extension of a bone making an angle with the rest of the structure |
meatus | canal-like passageway |
sinus | cavity within a bone, usually filled with air and line with mucous membrane |
fossa | shallow depression |
groove | furrow, like a plowed row in a garden |
fissure | an elongated cleft |
foramen | round or oval opening through a bone |
sulcas | groove for a tendon, nerve, or blood vessel |
anatomical terms that describe openings | foramen; canal; fissure; sinus (atrum) |
anatomical terms that describe depressions | fossa; sulcus |
anatomical terms that describe processes formed for articulation with adjacent bones | head; neck; condyle; trochlea; facet |
trochlea | a smooth, grooved articular process shaped like a pulley |