| Term 
 | Definition 
 
        | An opening that allows passage of nerves or blood vessels |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a shallow depression in a bone |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a groove or furrow in a bone |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a canal or tubelike passage ex: interior and exterior acoustic meatus
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a narrow slit ex: orbital fissures on the sphenoid bone
 |  | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | the flat portion of a bone |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a small, smooth surface or process for articulation |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | lateral fold of bone that creates a more efficient circulation of inhaled air by increasing surface area |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | spaces covered by tough membranes between the bones of an infant's skull |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | skeletal elements derived from embryonic gill arches ex: hyoid and ear ossicles
 |  | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | rounded, knuckle-like eminence on a bone that articulates with another bone |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a raised, roughened surface for the attachment of a bone. 
 attachement of a bone surface
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a small, rounded process.  a small eminence |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a very large process on the femur upon which muscle attach. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | a process supported by a neck |  | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | a line remaining after two bones have fused together |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | branch-like structure on a bone 
 mandibular ramus
 |  | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | horn-shaped structure. 
 example: in the hyoid bone
 |  | 
        |  |