External Nose
What are the Parts of External Nose? Parts of external nose are: Root of the nose- at the junction of nose with forehead. Tip of nose- lower free end. Dorsum of noseRead More…
Pteryygoid Venous Plexus
Where is Pterygoid Venous Plexus Located? Location: Pterygoid venous plexus is located around the maxillary artery and lateral pterygoid muscle in the infratemporal fossa. Enumerate the tributaries of Pterygoid Venous Plexus. Tributaries:Read More…
Temporal Fossa
What are the Boundaries of Temporal Fossa? Temporal region is on the lateral aspect of skull above the zygomatic arch up to the superior temporal line. Temporal fossa forms the floor ofRead More…
Cavernous Sinus
Where are Cavernous Sinuses located? Cavernous venous sinuses are paired dural venous sinuses located in the middle cranial fossa on either side of the body of sphenoid bone. They extend from the medialRead More…
Auditory Tube
Where is Auditory Tube Located and Whats is its Function? Auditory tube /pharyngotympanic/Eustachian tube is a trumpet-shaped tube which connects middle ear with nasopharynx. Is 3.5-4cm. long. Is directed downwards, forwards andRead More…
Tympanic Membrane
Where is Tympanic Membrane Located and What are its Dimentions? Location: Tympanic membrane is a semitransparent partition between the external acoustic meatus(EAM) and tympanic cavity. It has following features: It is ovalRead More…
Internal Ear
Where is Internal ear Located? What are its Parts? Location: Internal ear is located in the petrous part of the temporal bone. Parts of internal ear: Internal ear consists of two parts:Read More…
Tympanic Cavity
Where is Tympanic cavity/midle ear located? Whatis its shape and dimensions? Location: The middle ear or tympanic cavity is a narrow slit-like air-filled cavity located inside the petrous part of the temporalRead More…
Lacrimal Apparatus
Enumerate the Components of Lacrimal apparatus. The components of lacrimal apparatus include structures involved in tear production and drainage. They are: Lacrimal gland. Lacrimal ducts. Conjunctival sac. Lacrimal puncta and lacrimal canaliculi.Read More…
Ciliary Ganglion
Introduction Ciliary Ganglion It is a Parasympathetic ganglion. It is a relay station for fibers supplying sphincter pupillae and ciliaris muscle It is topographically connected to nasociliary nerve (branch of ophthalmic divisionRead More…