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Attachments and articulations - articular process: a projection that contacts an adjacent bone; articulation: the region where adjacent bones contact each other (e.g. joint); condyle: large, rounded articular process; crest: prominent ridge; eminence: relatively small projection or bump.
Epicondyle: projection near a condyle, but not part of the joint; facet: small, flattened articular surface; fossa: broad, shallow depressed area; line: long, thin projection or ridge, often with a rough surface; malleolus: protuberances of bones in the ankle; ramus: arm-like branch of bone.
Process: projection or prominent bump; spine: long, thin projection; suture: articulation between cranial bones; trochanter: tuberosities located on femur; tubercle: projection or bump with a roughened surface, smaller than a tuberosity; tuberosity: projection or bump with a roughened surface.
Openings - canal: long, tunnel-like foramen, a passage for nerves or blood vessels; foramen: opening through a bone; fovea: small pit on the head of a bone; labyrinth: cavity within a bone; meatus: short canal that dead ends, so it has only the entrance; sinus: cavity within a cranial bone.
There are a variety of bone markings on the surface of the axial bones that indicate attachments or articulations (fossa, ramus, condyle), or openings for nerves and blood vessels (fissure, foramen, meatus) .
The following description of bone surface markings is done in alphabetical order:
The articular process is a projection that contacts an adjacent bone.
Articulation is the region where adjacent bones contact each other such as a joint.
A canal is a long, tunnel-like foramen, usually a passage for notable nerves or blood vessels.
A condyle is a large, rounded articular process.
A crest is prominent ridge.
An eminence is a relatively small projection or bump.
An epicondyle is a projection near a condyle, but not part of the joint.
A facet is a small, flattened articular surface.
A foramen is an opening through a bone.
A fossa is a broad, shallow depressed area.
A fovea is a small pit on the head of a bone
A labyrinth is a cavity within a bone.
A line is a long, thin projection, often with a rough surface; also known as a ridge.
A malleolus is one of two specific protuberances of bones in the ankle.
A meatus is a short canal that finishes as a dead end, so it has only the entrance.
A process is a relatively-large projection or prominent bump.
A ramus is an arm-like branch off the body of a bone.
A sinus is a cavity within a cranial bone.
A spine is a relatively-long, thin projection or bump.
A suture is an articulation between cranial bones.
A trochanter is one of two specific tuberosities located on the femur.
A tubercle is a projection or bump with a roughened surface, generally smaller than a tuberosity.
A tuberosity is a projection or bump with a roughened surface.