Preoccipital notch

Preoccipital notch Definition

It is a notch, or indentation, in the ventrolateral edge of the temporal lobe of either half of the cerebrum (Cerebral hemisphere).

Preoccipital notch Synonyms

It is known by a variety of names, like:

• Incisura praeoccipitalis
• Incisura preoccipitalis
• Incisura parieto-occipitalis
• Occipital notch
• Preoccipital incisure
• Preoccipital incisura

Preoccipital notch Appearance

It is approximately 5 cm in length.

Preoccipital notch Location

It can be found on the infero-lateral edge before the occipital pole. The Occipital lobe is situated in a location just posterior to the line that connects this indentation with the Parietooccipital sulcus.

Preoccipital notch Pictures

These images would give you a clear idea about the location of this notch on the human brain.

Picture 1 – Preoccipital notch

Picture 2 – Preoccipital notch Image

References:

http://en.wikipedia.org/wiki/Preoccipital_notch

http://www.medilexicon.com/medicaldictionary.php?t=61182