PMID: 6164448Apr 27, 1981Paper

The trigeminocollicular projection in the cat: patch-like endings within the intermediate gray

Brain Research
M F HuertaJ K Harting

Abstract

We have used two neuroanatomical tracing techniques to study the trigeminocollicular projection in the cat. In one series of experiments we injected [3H]proline into the alaminar division of the spinal trigeminal nucleus and analyzed the distribution and pattern of anterogradely transported label within the superior colliculus. These autoradiographic data reveal that the trigeminocollicular projection: (1) is primarily contralateral; (2) reaches only the rostral 60-70% of the colliculus; and (3) terminates in a discontinuous, patch-like tier within the middle of the dorsal-ventral axis of the stratum griseum intermediale (SGI). The patches of label measure approximately 330 micrometer in the medial-lateral dimension and 250 micrometer in the dorsal-ventral extent. There seems to be an alignment of the patches in the rostral-caudal direction, suggesting that the trigeminal input forms longitudinal columns in the colliculus. Anterogradely transported protein is also present within the stratum griseum profundum (SGP). In contrast to the patch-like pattern present in the SGI, label in the SGP is more diffusely distributed. In a second series of experiments we injected horseradish peroxidase-wheat germ agglutinin (HRP-WGA) into the ...Continue Reading

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Citations

Feb 20, 1984·Brain Research·C K Peck
Aug 1, 1985·Brain Research·D Albe-FessardW D Willis
Mar 31, 1993·Behavioural Brain Research·K E Buckenham, J S Yeomans
Jun 1, 1984·Neuroscience·M Peschanski
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May 6, 2008·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Antonino Marco Cuccia, Carola Caradonna
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Sep 16, 2004·The Journal of Comparative Neurology·Céline DauvergneGabrielle Pinganaud
Nov 4, 2006·The Anatomical Record. Part A, Discoveries in Molecular, Cellular, and Evolutionary Biology·Eddie PerkinsPaul J May
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Jan 22, 1985·The Journal of Comparative Neurology·M F Gonzalez, F R Sharp

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