The inner end of the external acoustic meatus is closed in the recent state by the tympanic membrane; the upper limit of its outer orifice is formed by the posterior […]
List of articles in "Anatomical Structure" category - Page 228
Pharyngeal tubercle
On the lower surface of the basilar part of occipital bone about 1 cm. anterior to the foramen magnum is the pharyngeal tubercle which gives attachment to the fibrous raphe […]
Petrotympanic fissure
The petrotympanic fissure (also known as the squamotympanic fissure) is a fissure in the temporal bone that runs from the temporomandibular joint to the tympanic cavity.The mandibular fossa is bounded […]
Suprameatal triangle
In the temporal bone between the posterior wall of the external acoustic meatus and the posterior root of the zygomatic process is the area called the suprameatal triangle suprameatal pit […]
Infratemporal crest
The lateral surface of the great wing of the sphenoid is convex and divided by a transverse ridge the infratemporal crest into two portions.
Articular tubercle
The articular tubercle (eminentia articularis) is a bony eminence on the temporal bone in the skull.The anterior root of the posterior end of the outer surface of the squama temporalis […]
Spine of sphenoid bone
The great wings or ali-sphenoids are two strong processes of bone which arise from the sides of the body and are curved upward lateralward and backward; the posterior part of […]
Parietal foramen
At the back part of the parietal bone and close to the upper or sagittal border is the parietal foramen which transmits the parietal emissary vein which anastamoses with the […]
Parietal eminence
The external surface of the parietal bone is convex smooth and marked near the center by an eminence the parietal eminence (parietal tuber) which indicates the point where ossification commenced.
Sulcus for auditory tube
The lateral half of the great wing articulates by means of a synchondrosis with the petrous portion of the temporal and between the two bones on the under surface of […]