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- Title
The morphology and connections of the posterior hypothalamus in the cynomolgus monkey ( Macaca fascicularis). I. Cytoarchitectonic organization.
- Authors
Veazey, R. B.; Amaral, D. G.; Cowan, W. M.
- Abstract
The cytoarchitectonic organization of the posterior hypothalamus of the cynomolgus monkey (Macaca fascicularis) was analyzed in Nissl, Golgi, acetylcholinesterase, and reduced silver preparations. The region consists of a number of cell masses that differ considerably in their discreteness and in the homogeneity of their neuronal populations. The nuclei identified include: the medial mamillary nucleus (in which at least three distinct subdivisions can be recognized-a pars medialis, a pars lateralis, and a pars basalis); the small-celled nucleus intercalatus; the large-celled lateral mamillary nucleus; a single premamillary nucleus; the tuberomamillary nucleus; the posterior hypothalamic nucleus; the caudal extension of the lateral hypothalamic area; the supramamillary area; and the paramamillary nucleus (which appears to correspond to the nucleus of the nucleus of the ansa lenticularis of other workers). As a basis for the subsequent experimental study of the efferent connections of the posterior hypothalamus, the location of each of these cell masses is described and illustrated in a series of low-power photomicrographs, as are the form and distribution of the resident neuronal populations of the various components of themamillary complex as seen in Golgi preparations.
- Publication
Journal of Comparative Neurology, 1982, Vol 207, Issue 2, p114
- ISSN
0021-9967
- Publication type
Article
- DOI
10.1002/cne.902070203