Bone Surface Features Flashcards
(26 cards)
What are the four basic surface feature categories
Elevations, depressions, tunnels or passageways, and facets
What are the types of osseous elevations
linear, rounded and sharp
What are the types of osseous linear elevations
the line, ridge and crest
What is an example of the slightest type of osseous linear elevation
transverse lines of sternum
What are the types of rounded osseous elevations
tubercle, protuberance, trochanter, tuber or tuberosity, and malleolus
What is the definition of an osseous malleolus
a hammerhead-like elevation on the surface of a bone
What are the categories of sharp osseous elevation
spine and process
What is the definition of an osseous process
a relatively sharp boney projection from the surface of bone with an increased length
What are the categories of osseous depressions
linear and rounded depressions
What are the categories of osseous linear depressions
notch or incisure, groove and sulcus
What is the definition of an osseous groove
a long furrow of variable depth on the surface of 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 definition of an osseous fossa
a deep depression of variable circumference on the surface of bone
What are the names given to opening 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 definition of an osseous foramen
an ostium passing completely through a thin region of bone
What is the definition 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 definition of an osseous fissure
an irregular slit-like or crack-like appearance between the surfaces of adjacent bones
What are the categories of osseous facets
flat facets and rounded facets
What are examples of a flat osseous facet
the articular facets of most zygapophyses of the vertebral colum
