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PT 203 Bone Markings
Bone Markings
Term | Definition |
---|---|
Head | rounded, knob-like end separating the rest of the bone by a slender region called the neck |
Process | large projection of a bone, such as the superior part of the ulna in the forearm that creates the elbow |
Condyle | a rounded projection |
Epicondyle | a small projection above a condyle |
Crest | a distinct border or ridge, often rough, such as over the top of the hip bone |
Spine | sharp projection from the surface of a bone, such as the spine of the scapula, known as the shoulder blade |
Foramen | a hole that allows a vessel or nerve to pass through or between bones |
Sinus | an air space found in some skull bones |
Fossa | a depression of a bone surface |
Meatus | Short channel or passageway, such as the channel in the temporal bone of the skull that leads to the inner ear |