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Key Terms of Skull
113- Wallace
23
Anatomy
Undergraduate 2
02/05/2016

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Term
Process
Definition
General term for any BONY surface
Term
Condyle
Definition
relatively LARGE, convex prominence usually involved in joints
Term
Head
Definition
ROUNDED surface projecting from a bone by a neck ex: head of the condyle in mandible
Term
Tuberosity
Definition
large, often rough prominence. Typically attachment areas for muscles or tendons. ex: maxillary tuberosity
Term
Arch
Definition
Shaped like a BRIDGE with a bowlike outline ex. zygomatic arch
Term
Cornu
Definition
Hornlike prominence. ex: lesser and greater cornu in HYOID BONE
Term
Tubercle/Eminence
Definition
rounded elevation on bony surface
ex: frontal eminence
Term
Crest
Definition
prominent, often roughened border or ridge
Term
Line
Definition
straight small ridge ex: superior/inferior temporal line
Term
Spine
Definition
abrupt prominence of the bone that may be a blunt or sharply pointed PROJECTION
Term
Incisura/Notch
Definition
an indentation at the edge of a bone (depression)
Term
Sulcus
Definition
shallow DEPRESSION or groove that usually marks the course of an artery or nerve
Term
Fossa
Definition
deeper depression on a bony surface. Can be portions of joints, be attachment areas for muscles, or have other functions
Term
Plate
Definition
Flat bony structure
Term
Foramen
Definition
short, window like opening in the bone. ex: temporal fosssa
Term
Canal
Definition
longer, narrow, tubelike opening the bone
Term
Meatus
Definition
type of canal
Term
Fissure
Definition
narrow, cleftlike opening in a bone. ex: superior orbital fissure
Term
Ostium
Definition
small opening, especially as an entrance into a hollow organ or canal. ex: ostium of maxillary sinus
Term
Aperture
Definition
opening or orifice in bone. ex: piriform aperture
Term
Articulation
Definition
area of the skeleton where the bones are joined to each other
Term
What kind of structure can articulations become?
Definition
An immovable or moveable type of joint.
Term
Suture
Definition
union of bones by fibrous tissue. Appear on dry skull as jagged lines. Considered immovable
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