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Parieto-occipital Fissure

Definition

The parieto-occipital fissure refers to a deep sulcus, or groove, that separates the parietal and occipital lobes of the brain in humans and various primates.

Senses

1. Anatomy: Brain Fissure

In anatomy, the parieto-occipital fissure is a prominent feature of the brain, dividing the parietal lobe at the top and the occipital lobe at the back. It extends horizontally on the medial surface of the cerebral hemisphere.

Example sentence: The surgeon carefully dissected the parieto-occipital fissure to gain access to the underlying brain structures.

2. Neuroimaging: Identifying Brain Regions

In neuroimaging studies, researchers utilize the parieto-occipital fissure as a landmark to identify specific brain regions during brain mapping and functional analysis.

Example sentence: The study revealed enhanced neural activity in the parieto-occipital fissure of individuals engaged in visual stimulus tasks.

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