In the anatomy of the precentral gyrus (motor cortex) there is a a specific area is known for its role in hand movement control. What is the distinctive shape of this area?

Autor: Dr. Toma Spiriev
Anatomie
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Dezember 11, 2023

In the anatomy of the precentral gyrus (motor cortex) there is a a specific area is known for its role in hand movement control. What is the distinctive shape of this area?

A: It is located at the most superior part of the precentral gyrus resembling a "J" shape

B: It is vertical in shape and close to the area representing facial movements

C: It is resembling an omega Greek letter with vertical orientation

The "hand knob" area in the motor cortex (precentral gyrus) is distinctive for its omega or epsilon shape. This area represents the hand in the motor homunculus, responsible for hand and fingers movement.

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In the anatomy of the precentral gyrus (motor cortex) there is a a specific area is known for its role in hand movement control. What is the distinctive shape of this area?

In the anatomy of the precentral gyrus (motor cortex) there is a a specific area is known for its role in hand movement control. What is the distinctive shape of this area?

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