BONY FEATURES AND DEFINITIONS Flashcards
What are the two elevations and projections?
- Process
- Ramus
What is process?
Any projection or bump
What is ramus?
An extension of a bone that forms and angle with the rest of the structure
What are the four openings?
- Sinus or antrum
- Meatus or canal
- Fissure
- Foramen
What is sinus/antrum?
A chamber within a bone, normally filled with air
What is meatus/canal?
A passageway for blood vessels and/or nerves
What is fissure?
A deep furrow, cleft, or slit
What is foramen?
A rounded passageway for blood vessels and/or nerves
What are the two depressions?
- Sulcus
- Fossa
What is sulcus?
A narrow groove
What is fossa?
A shallow depression
What are the six processes formed where tendons or ligaments attach?
- Trochanter
- Crest
- Spine
- Line
- Tubercle
- Tuberosity
What is trochanter?
A large, rough projection
What is crest?
A prominent ridge
What is spine?
A pointed process
What is line?
A low ridge
What is tubercle?
A small, rounded projection
What is tuberosity?
A rough projection
What are the five processes formed for joints (articulations) with adjacent bones?
- Head
- Neck
- Facet
- Condyle
- Trochlea
What is head?
The expanded articular end of an epiphysis, often separated from the shaft by a narrower neck
What is neck?
A narrower connection between the epiphysis and diaphysis
What is facet?
A small, flat articular surface
What is condyle?
A smooth, rounded articular process
