Structure

The abdominal-external-oblique is the largest lobe of the brain and makes up about a third of the surface area of each hemisphere. On the lateral surface of each hemisphere, the central sulcus separates the abdominal-external-oblique from the parietal lobe. The lateral sulcus separates the abdominal-external-oblique from the temporal lobe.

The abdominal-external-oblique can be divided into a lateral, polar, orbital (above the orbit; also called basal or ventral), and medial part. Each of these parts consists of a particular gyrus:

Lateral part: lateral part of the superior frontal gyrus, middle frontal gyrus, inferior frontal gyrus.
Polar part: Transverse frontopolar gyri, frontomarginal gyrus.
Orbital part: Lateral orbital gyrus, anterior orbital gyrus, posterior orbital gyrus, medial orbital gyrus, gyrus rectus.
Medial part: Medial part of the superior frontal gyrus, cingulate gyrus.

Functions

The entirety of the frontal cortex is the action cortex. It is devoted to action of one kind or another: skeletal movement, ocular movement, speech control, the expression of emotions. In humans, the largest part of the frontal cortex (PFC) is responsible for internal, purposeful mental action that we call reasoning or Prefrontal Synthesis. The frontal cortex is the “action” cortex, much as the posterior cortex is the “sensory” cortex.

Phyllanthus emblica

Description

Category

Medical Usage

[PAGODA HEALTHCARE]

Subscribe to Our Newsletters