Results 241 to 250 of about 13,809 (280)
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The median eminence of the bowfin, Amia calva L
General and Comparative Endocrinology, 1970Abstract The coexistence of an extensive, elaborate median eminence and limited areas of primitively developed neurohypophyseal contact within the pars distalis are described in the holostean fish Amia calva as observed by light and electron microscopy. Axonal bulbs with 890 A diameter, monaminergic-type dense-cored vesicles are concentrated on the
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Cell and Tissue Research, 1975
A combined scanning/transmission electron microscopic (SEM/TEM) technique was used to analyze the third cerebral ventricle and underlying tissue of the median eminence of 6 mature rhesus monkeys. The same sample of the ventricular wall was subjected to both SEM and TEM. This technique demonstrates two basic subpopulations of supraependymal cells on the
D E, Scott +4 more
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A combined scanning/transmission electron microscopic (SEM/TEM) technique was used to analyze the third cerebral ventricle and underlying tissue of the median eminence of 6 mature rhesus monkeys. The same sample of the ventricular wall was subjected to both SEM and TEM. This technique demonstrates two basic subpopulations of supraependymal cells on the
D E, Scott +4 more
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The external layer of the median eminence: A neurovascular synapse☆
Neurochemistry International, 1986The external layer of the median eminence is comprised of nerve fibres that terminate on the primary plexus of the hypophysial portal vessels. This system is a unique neurovascular synapse which can be used as a window through which may be studied the characteristics of central neurotransmission.
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Immunohistochemical localization of enkephalins in median eminence and adenohypophysis
Brain Research, 1979Immunohistochemical staining for methionine-enkephalin and leucine-enkephalin were used to reveal an enkephalins-like substance in the median eminence and adenohypophysis of guinea pig and rat. Nerve endings were stained for enkephalins in the external layer of the median eminence.
G, Tramu, J, Leonardelli
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Response of tanycytes to aging in the median eminence of the rat
American Journal of Anatomy, 1982AbstractAge‐related changes in tanycytes of the median eminence were observed at both the light and electron microscopic level in male and female rats at ages 4 weeks to 14 months. The most obvious changes involved a marked progressive increase in number and size of droplets identified histochemically as neutral lipid and the development of complex ...
J R, Brawer, R J, Walsh
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Ultrastructural evidence for exocytosis in the median eminence of the rat
Zeitschrift f�r Zellforschung und mikroskopische Anatomie, 1972Exocytosis has been demonstrated by electron microscopy in the external zone of the median eminence of the rat. Exocytotic profiles have been observed in nerve fibres characterized by the presence of granular vesicles with median diameters of 90–103 nm and agranular vesicles of about 50 nm.
R, Stoeckart, H G, Jansen, A J, Kreike
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Ultrastructure of the rat median eminence after superfusion
Cell and Tissue Research, 1982Isolated medio-basal hypothalami of adult rats were continuously superfused in a chamber with controllable inputs and outputs, for periods from 30 to 240 min. The median eminence was prepared for transmission electron microscopy under carefully controlled conditions by immersion fixation with osmium tetroxide.
A J, Zamora, V D, Ramirez
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Uptake and Transport Activity of the Median Eminence of the Hypothalamus
1976Publisher Summary This chapter discusses the uptake and transport activity of the median eminence of the hypothalamus. Two releasing hormones, thyrotropin-releasing hormone (TRH) and luteinizing hormone releasing hormone (LHRH), have been detected in the cerebrospinal fluid (CSF) of the third ventricle of the rat.
K M, Knigge +8 more
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Neurons in the Subependymal Layer of the Rat Median Eminence
Neuroendocrinology, 2008A considerable number of small and medium-size neurons are described in the subependymal layer of the caudal part of the middle portion of the rat median eminence. They are arranged mainly in rostro-caudally oriented rows. Fine structure of these nerve cells is similar to that of the arcuate neurons.
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Structure and function of the median eminence
American Journal of Anatomy, 1970K M, Knigge, D E, Scott
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