Exam 1-Bone Surface Features Flashcards
What are the four basic surface feature categories?
elevations, depressions, tunnels or passageways and facets
What are the types of osseous elevations?
linear, round, or sharp
What are the types of osseous linear elevation?
the line, ridge,and crest
What is an example of the slightest type of osseous linear elevation?
transverse lines of the sternum
What are the types of rounded osseous elevations?
tubercle, trochanter, protuberance, tuber or tuberosity, and malleolus.
What is the definition of an osseous malleolus?
a hammerhead-like elevation of the surface of bone
What are the categories of sharp osseous elevations?
spine and process
What is the definition of the osseous elevation called “spine”?
a thorn-like elevation from the surface of bone
What is the definition of an osseous process?
a relatively sharp bony projection from the surfaceof bone with an increased length
What are the categories of osseous depressions?
liner and rounded depression
What are the catgories of osseous linear depressions?
notch or incisure, groove, and sulcus
What is the definition of an osseous groove?
a long furrow of variabble depth on the surface of the bone
What is the definition of an osseous sulcus?
a wide groove of variable length and depth on the surface of bone
What are the categories of rounded osseous depressions?
the fovea and fossa
What is the definition of an osseous fovea?
a shallow depression of variable circumference on the surface of bone
What is the definiton of an osseous fossa?
a deep depression of variable circumference of the surface of bone
What are the names given to openings on the surface of bone?
ostium or orifice and hiatus
What is the definition of an osseous hiatus?
an irregular opening on the surface of bone
What are the names given to osseous ostia which completely penetrate bone?
foramen or canal
What is the defintion of an osseous foramen?
an ostium passing completely through a thin region of bone
What is the defintion of an osseous canal?
an ostium passing completely through a thick region of bone
What is the name given to an ostium which does not completely penetrate through a region of bone but appears as a blind-ended passageway?
meatus
What is the defintion of an osseous fissure?
an irregular slit-like or crack-like appearance between the surfaces of adjacent bones
What are the categories of ossesous facets?
flat and rounded facets
