The internal granular layer of the cerebral cortex, also commonly referred to as the granular layer of the cortex, is the
layer IV in the subdivision of the mammalian
cerebral cortex
The cerebral cortex, also known as the cerebral mantle, is the outer layer of neural tissue of the cerebrum of the brain in humans and other mammals. It is the largest site of Neuron, neural integration in the central nervous system, and plays ...
into
6 layers. The adjective internal is used in opposition to the
external granular layer of the cortex, the term granular refers to the
granule cell
The name granule cell has been used for a number of different types of neurons whose only common feature is that they all have very small cell bodies. Granule cells are found within the granular layer of the cerebellum, the dentate gyrus of t ...
s found here.
This layer receives the
afferent connections from the
thalamus
The thalamus (: thalami; from Greek language, Greek Wikt:θάλαμος, θάλαμος, "chamber") is a large mass of gray matter on the lateral wall of the third ventricle forming the wikt:dorsal, dorsal part of the diencephalon (a division of ...
and from other cortical regions and sends connections to the other layers. The
line of Gennari (occipital stripe) is also present in this layer.
See also
*
Granular layer
*
External granular layer (cerebral cortex)
The external granular layer of the cerebral cortex is commonly known as layer II. It is different from the internal granular layer of the cerebral cortex (commonly known as layer IV).
Layer II is often grouped together with layer III and referr ...
Cerebral cortex
{{neuroanatomy-stub