Term
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Definition
•rounded or widened end of a bone with a smooth articular surface
–mandible – temporomandibular joint
–occipital bone – articulates with atlas (C-1)
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Term
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Definition
•a projection of bone for the attachment of muscles or for articulation
–coronoid process of mandible – insertion or distal attachment of temporalis muscle
–temporal process of zygomatic bone and zygomatic process of temporal bone
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Term
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Definition
•a flattened process that provides muscular attachment
–medial and lateral pterygoid plates of sphenoid bone of skull
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Term
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Definition
•small rounded elevation on a bone for attachment of a muscle
–pharyngeal tubercle of occipital bone of skull
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Term
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Definition
•a rounded prominence of bone
–maxillary tuberosity
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Term
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Definition
•an elongated raised process or ridge of bone produced by muscle attachment
–external occipital crest (midline & vertical)
•Linea or line – a slightly raised ridge of bone produced by a muscle attachment
•Superior nuchal line of occipital bone
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Term
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Definition
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Term
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Definition
•gently rounded depression
–Cranial fossae: anterior, middle & posterior
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Term
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Definition
•linear bony depressions that accommodate cylindrical or tubular structures
–Groove for superior sagittal sinus (venous sinus found inferior to the sagittal suture)
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Term
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Definition
•hole that allows structures to pass through bone
–Foramen magnum
–Foramen rotundum
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Term
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Definition
•an opening that has length through bone ending at a foramen
–infraorbital canal (floor of orbit in maxilla-> infraorbital foramen)
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Term
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Definition
•a “bite” from edge of bone (incomplete foramen) transmits vessels & nerves
–mandibular notch
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Term
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Definition
•an elongated space between two bones of the skull
–superior & inferior orbital fissures
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Term
What tissue differentiate into bones? |
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Definition
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Term
two types of ossification |
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Definition
intrmembranous
endochondral |
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Term
mechanism of mesenchymal cells
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Definition
1. condense as membrane
2. differentiate into osteoblasts
3. lay down bone matrix at different sites |
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Term
what do you get with intramembranos ossification?
single or multi bones?
where?
suture? |
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Definition
single
skull vult, face, and clavicle
fibrous sutures |
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