Thalamic projections to the posterior suprasylvian gyrus and the ventrally adjacent cortex in the cat traced with horseradish peroxidase. 1985

K Niimi, and Y Yamazaki, and H Matsuoka, and M Kusunose, and T Imataki, and K Ono

The present study has been undertaken to elucidate the thalamic projections to the posterior suprasylvian gyrus (PSG) and the ventrally adjacent areas in the cat using retrograde axonal transport of horseradish peroxidase. The posterior part of the PSG, area 19 b, receives fibers mainly from the dorsolateral part of the medial pulvinar nucleus, and a lesser number from the lateral pulvinar nucleus. It receives a few fibers from the inferior pulvinar nucleus and the medial interlaminar nucleus (NIM) of the lateral geniculate. The anterior part of the PSG, area 21 b, receives a large number of fibers from the medial pulvinar nucleus, particularly its dorsolateral part, and less numerous fibers from the inferior pulvinar and lateral pulvinar nuclei. It receives only a few fibers from the lateral geniculate (NIM), suprageniculate and intralaminar nuclei, and in some cases from the ventral anterior and ventral lateral nuclei. Area 20 has thalamic connections similar to area 21 b, but it receives more fibers from the ventrolateral part of the medial pulvinar nucleus, nucleus, and receives less numerous fibers from the inferior pulvinar nucleus. It receives a few fibers from laminae C1-C2 and NIM of the lateral geniculate nucleus. Area 36 receives many fibers from the ventrolateral part of the medial pulvinar nucleus and the suprageniculate nucleus, a lesser number from the other parts of the medial pulvinar nucleus, and some fibers from the medial geniculate nucleus, particularly its dorsal principal part.

UI MeSH Term Description Entries
D009412 Nerve Fibers Slender processes of NEURONS, including the AXONS and their glial envelopes (MYELIN SHEATH). Nerve fibers conduct nerve impulses to and from the CENTRAL NERVOUS SYSTEM. Cerebellar Mossy Fibers,Mossy Fibers, Cerebellar,Cerebellar Mossy Fiber,Mossy Fiber, Cerebellar,Nerve Fiber
D009474 Neurons The basic cellular units of nervous tissue. Each neuron consists of a body, an axon, and dendrites. Their purpose is to receive, conduct, and transmit impulses in the NERVOUS SYSTEM. Nerve Cells,Cell, Nerve,Cells, Nerve,Nerve Cell,Neuron
D002415 Cats The domestic cat, Felis catus, of the carnivore family FELIDAE, comprising over 30 different breeds. The domestic cat is descended primarily from the wild cat of Africa and extreme southwestern Asia. Though probably present in towns in Palestine as long ago as 7000 years, actual domestication occurred in Egypt about 4000 years ago. (From Walker's Mammals of the World, 6th ed, p801) Felis catus,Felis domesticus,Domestic Cats,Felis domestica,Felis sylvestris catus,Cat,Cat, Domestic,Cats, Domestic,Domestic Cat
D002540 Cerebral Cortex The thin layer of GRAY MATTER on the surface of the CEREBRAL HEMISPHERES that develops from the TELENCEPHALON and folds into gyri and sulci. It reaches its highest development in humans and is responsible for intellectual faculties and higher mental functions. Allocortex,Archipallium,Cortex Cerebri,Cortical Plate,Paleocortex,Periallocortex,Allocortices,Archipalliums,Cerebral Cortices,Cortex Cerebrus,Cortex, Cerebral,Cortical Plates,Paleocortices,Periallocortices,Plate, Cortical
D005829 Geniculate Bodies Part of the DIENCEPHALON inferior to the caudal end of the dorsal THALAMUS. Includes the lateral geniculate body which relays visual impulses from the OPTIC TRACT to the calcarine cortex, and the medial geniculate body which relays auditory impulses from the lateral lemniscus to the AUDITORY CORTEX. Lateral Geniculate Body,Medial Geniculate Body,Metathalamus,Corpus Geniculatum Mediale,Geniculate Nucleus,Lateral Geniculate Nucleus,Medial Geniculate Complex,Medial Geniculate Nucleus,Nucleus Geniculatus Lateralis Dorsalis,Nucleus Geniculatus Lateralis Pars Dorsalis,Bodies, Geniculate,Complex, Medial Geniculate,Complices, Medial Geniculate,Corpus Geniculatum Mediales,Geniculate Bodies, Lateral,Geniculate Bodies, Medial,Geniculate Body,Geniculate Body, Lateral,Geniculate Body, Medial,Geniculate Complex, Medial,Geniculate Complices, Medial,Geniculate Nucleus, Lateral,Geniculate Nucleus, Medial,Geniculatum Mediale, Corpus,Geniculatum Mediales, Corpus,Lateral Geniculate Bodies,Medial Geniculate Bodies,Medial Geniculate Complices,Mediale, Corpus Geniculatum,Mediales, Corpus Geniculatum,Nucleus, Geniculate,Nucleus, Lateral Geniculate,Nucleus, Medial Geniculate
D006735 Horseradish Peroxidase An enzyme isolated from horseradish which is able to act as an antigen. It is frequently used as a histochemical tracer for light and electron microscopy. Its antigenicity has permitted its use as a combined antigen and marker in experimental immunology. Alpha-Peroxidase,Ferrihorseradish Peroxidase,Horseradish Peroxidase II,Horseradish Peroxidase III,Alpha Peroxidase,II, Horseradish Peroxidase,III, Horseradish Peroxidase,Peroxidase II, Horseradish,Peroxidase III, Horseradish,Peroxidase, Ferrihorseradish,Peroxidase, Horseradish
D000344 Afferent Pathways Nerve structures through which impulses are conducted from a peripheral part toward a nerve center. Afferent Pathway,Pathway, Afferent,Pathways, Afferent
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013787 Thalamic Nuclei Several groups of nuclei in the thalamus that serve as the major relay centers for sensory impulses in the brain. Nuclei, Thalamic

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