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Parietal lobe

The parietal lobe is one of the four lobes of the cerebrum which and it lies posterior to the central sulcus and above the lateral sulcus. It is the major centre for reception and evaluation of all sensory information except smell, hearing and vision. In the parietal

Pterygopalatine Fossa

The pterygopalatine fossa is a pyramidal space between the pterygoid process of sphenoid behind and the perpendicular plate of palatine in front, situated deeply below the apex of the orbit. The rear of maxilla replaces the palatine bone as the anterior boundary of the entry of the

Anterior Nares

The anterior nares are the external part of the nose (Nostrils). Each opening is independently called an anterior naris. The anterior nares enable the inhalation as well as exhalation, and open within the nasal cavity. Each opening has an oval shape and generally measures nearly 1.5 cm

Zygomaticofacial Foramen

The malar surface of the zygomatic bone is convex in shape and near its center it is pierced by a small aperture for the passage of the zygomaticofacial nerve and vessels called the zygomaticofacial foramen. Each protrusion on the lower and lateral side of the orbit and

Petrotympanic Fissure

The petrotympanic fissure refers to a small crevice located in the temporal bone. It splits the mandibular fossa anteriorly via the articular tubercle as well as posteriorly via the tympanic portion of the temporal bone. Via this fissure, the chorda tympani travel inside the infratemporal fossa. Structure

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