Allocortex

Allocortex

The Allocortex (pronounced: al-oh-kor-tex) is a part of the cerebral cortex involved in the processing of smell and autonomic functions. It is characterized by having less than six layers of neuronal cell bodies, unlike the six-layered neocortex.

Etymology

The term "Allocortex" is derived from the Greek words 'allos' meaning 'other', and 'kortex' meaning 'bark'. It is so named because its structure is different from the six-layered neocortex, which is the most prevalent type of cortex in mammals.

Structure

The Allocortex is made up of three main parts: the olfactory cortex, the hippocampus, and the cingulate cortex. Each of these parts has a different structure and function.

Olfactory Cortex

The olfactory cortex is involved in the sense of smell. It receives direct inputs from the olfactory bulb and is involved in the identification and perception of odors.

Hippocampus

The hippocampus is involved in memory formation and spatial navigation. It is one of the first regions of the brain to suffer damage in Alzheimer's disease.

Cingulate Cortex

The cingulate cortex is involved in various cognitive functions, including emotion formation and processing, learning, and memory.

Function

The Allocortex plays a crucial role in various functions, including the processing of smell, autonomic functions, emotion formation and processing, learning, and memory.

Related Terms

• Cerebral Cortex
• Neocortex
• Olfactory Cortex
• Hippocampus
• Cingulate Cortex
• Autonomic Functions
• Memory Formation
• Spatial Navigation
• Alzheimer's Disease

External links

• Medical encyclopedia article on Allocortex
• Wikipedia's article - Allocortex

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