Category: Anatomy

Blood Supply of Facial Nerve

The facial nerve gets it’s blood supply from 4 vessels: Anterior inferior cerebellar artery – at the cerebellopontine angle Labyrinthine artery  (branch of anterior inferior cerebellar artery) –
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Sinus of Morgagni

Sinus of Morgagni is a gap in the upper margin of the pharyngobasilar fascia located in the posterolateral part of the nasopharynx Pharyngobasilar fascia – also called pharyngeal
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Pyriform aperture

Anterior view of skull – pyriform aperture is highlighted Click on image for an enlarged view Pyriform aperture is the anterior most and narrowest area of the bony
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Waldeyer's lymphatic ring

Waldeyer’s lymphatic ring is a collection of lymphoid tissue present in the neck (Waldeyer’s outer ring) and pharynx (Waldeyer’s inner ring /  Waldeyer’s tonsillar ring) It plays an
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Constrictions of oesophagus

The esophagus has 4 areas where the lumen is narrow compared to the rest of the oesphagus. They are: Beginning of oesophagus (pharyngoesophageal junction) – 6 inches from incisor teeth
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Fundus – definition

Gall bladder – Fundus visible in upper part Click on image for an enlarged view anatomical term meaning of the part of organ furthest from its opening Latin
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