Pterygoid fovea

Pterygoid fovea
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What is Pterygoid fovea?

The pterygoid fovea (occasionally called pit or depression) is a concave surface on the uppermost medial (antero-medial) side of the ramus, which is the posterior section of the mandible that is somewhat vertical. The structure is rough and shallow in appearance.

The structure is often mistaken for the Pterygoid fossa of the sphenoid bone.

Pterygoid fovea Names

It is also known by various other names like

  • Fovea pterygoidea
  • Pterygoid depression
  • Pterygoid pit

In Latin, it is known as “Fovea pterygoidea”. The French term for this structure is “Fossette ptérygoïdienne”.

Pterygoid fovea Etymology

The name of this physical structure comes from the fusion of two Greek and Latin terms. The word “Pterygoid” originates from the Greek term “pteryx” standing for “wing” while “eidos” signifies “shape”. Fovea has a Latin origin and is derived from the verb “Fodere” meaning “to dig”.

Picture of Pterygoid fovea

Picture 1 – Pterygoid fovea

Pterygoid fovea Location

This depression is situated in a position below the condyloid process and behind the mandibular notch.

Pterygoid fovea Function

It forms an attachment or bridge for the tendon of insertion of the muscle referred to as “Lateral pterygoid”. It marks the point of attachment of the inferior venter of the lateral pterygoid muscle.

Pterygoid fovea Images

Here are some useful Pterygoid fovea pictures that will help you know how this structure looks like. Check out these Pterygoid fovea photos and learn about its appearance.

Image of Pterygoid fovea

Picture 2 – Pterygoid fovea Image

Photo of Pterygoid fovea

Picture 3 – Pterygoid fovea Photo

References:

http://www.rightdiagnosis.com/medical/pterygoid_fovea.htm

http://www.anatomyexpert.com/structure_detail/704/1599/

http://radiopaedia.org/images/21547

http://www.medilexicon.com/medicaldictionary.php?t=35224

 

Last modified on September 1st, 2017 at 8:21 am

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