Define lobe, sulci, gyrus and fissure. List the major lobes, fissures

Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter5: The Central Nervous System
Section: Chapter Questions
Problem 3UC
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Define lobe, sulci, gyrus and fissure. List the major lobes, fissures, and functional areas of the cerebral cortex. . Define homonculus and note whether sensory or motor has a larger area for the foot and face.
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Lobe: It is protruding or dangling part of an entity which may be globular or levelled in shape. Example: frontal lobe, the occipital lobe. 

Sulci: It is a furrow or trench which provides an elevation to the surrounding walls. Example: Paracentral sulcus.

Gyrus: It is a depression or crease between two splits on the surface. Example: Broca's gyrus.

Fissure: It is an open incision usually in bones so as to house nerves and blood vessels. Example: Trochlear fossa, anterior cranial fossa.

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