Results 181 to 190 of about 11,715 (225)
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Neurosecretory systems in decapod Crustacea
Zeitschrift f�r Zellforschung und Mikroskopische Anatomie, 1954The sinus glands of the Brachyura are composed of swollen nerve fiber endings, which store and release secretory material synthesized within cells of the eyestalks, the brain and probably the thoracic ganglionic mass. Removal of the sinus glands from the land crab, Gecarcinus lateralis, does not induce molt, because sinus glands are reservoirs, not ...
D E Bliss, J B Durand, J H Welsch
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On the neurosecretory system of Dendrobaena atheca Cernosvitov [PDF]
Journal of Morphology, 1977 AbstractFour kinds of neurosecretory cells A, B, U and C are distinguished in the central nervous system of Dendrobaena atheca Cernosvitov. A cells, which show different morphological characteristics under different physiological states and during their cyclic changes, are the most active neurosecretory cells.
I. C. Baid, Najem S. Gorgees
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The caudal neurosecretory system of fishes
General and Comparative Endocrinology, 1962Abstract The comparative microanatomy, cytology, and ultrastructure of the caudal neurosecretory system of teleost fishes are surveyed, and some of the variations in morphologic features of the urohypophysis are indicated, based on the study of 125 teleost species. The neurohemal organ, the urohypophysis, was present in every teleost specimen studied.
Howard A. Bern, Noboru Takasugi
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THE UROPHYSIS AND THE CAUDAL NEUROSECRETORY SYSTEM OF FISHES
Biological Reviews, 1968Summary1. The caudal neurosecretory system is defined in teleosts as a complex of secretory neurones (Dahlgren cells) in the caudal spinal cord leading by a tract to neurohaemal tissue organized as a typical neurosecretory storage‐release organ: the urophysis.2.
Gunnar Fridberg, Howard A. Bern
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Brain stem innervation of the caudal neurosecretory system [PDF]
Cell and Tissue Research, 1982 The innervation of the caudal neurosecretory system of Poecilia sphenops (black molly) was studied by use of the retrograde horseradish peroxidase (HRP) method. The structure of the caudal neurosecretory system in this species was well suited for application of HRP procedures.
John P. O'Brien, Richard M. Kriebel
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Ultrastructure of the hypothalamic neurosecretory system of the dog
Zeitschrift für Zellforschung und Mikroskopische Anatomie, 1967The hypothalamic neurosecretory system of normal dogs was studied by light and electron microscopy after perfusion-fixation. In the supraoptic nucleus most neurons are loaded with elementary neurosecretory granules having a content of low electron density. Neurons with less neurosecretory material and signs of enhanced synthetic activity, as recognized
David Zambrano, Eduardo De Robertis
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The caudal neurosecretory system in some elasmobranchs
General and Comparative Endocrinology, 1962A caudal neurosecretory system is found to be present in the elasmobranch species investigated. The secretion is transported along the neurosecretory processes to the peripheral area of the spinal cord, where the processes connect up with meningeal vessels.
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Adrenalectomy increases sprouting in a peptidergic neurosecretory system
Neuroscience, 1982The neurons of the paraventricular nucleus of the hypothalamus have a substantial vasopressin-containing projection to the zona externa of the median eminence. Several parameters of neuronal function are increased in these cells following adrenalectomy; these increases can be prevented by glucocorticoid treatment.
Earl A. Zimmerman, Ann-Judith Silverman
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The caudal neurosecretory system of the teleostean Clupea melanostoma
Zeitschrift f�r Zellforschung und Mikroskopische Anatomie, 1962The caudal neurosecretory system of Clupea melanostoma is described. The urophyseal area in this species is merely a spinal cord enlargement divided into two distinct zones: a ventral and ventrolateral vascular zone where neurosecretory material is concentrated, and a dorsal cell-rich area where the perikarya of the neurosecretory cells are found.
Celia G. de Pascar +1 more
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