abstract：:With the Bodian method stained fibers were observed in the lobules of the rat liver and with the modified Karnovsky and Roots thiocholine method cholinesterase (presumably acetylcholinesterase (AChE))-positive nerve fibers were found in a pattern similar to that of the Bodian-stained fibers. The AChE-positive nerve fi...

journal_title：Cell and tissue research

authors： Skaaring P,Bierring F

更新日期：1976-08-20 00:00:00

abstract：:A continuous cell line was previously obtained by Simian Virus (SV) 40 transformation of primary cultures of dissociated mouse fetal hypothalami. One clone from this cell line has been previously shown to possess some of the ultrastructural features, immunological properties and synthesizing capacities of magnocellula...

journal_title：Cell and tissue research

authors： Tixier-Vidal A,De Vitry F

更新日期：1976-08-16 00:00:00

abstract：:Horse spleen ferritin, injected into the blood of the octopus, leaves the capillaries via pericyte junctions and windows. One hour after the administration, ferritin has entered the optic gland main cells; three hours later, it is accumulated in dense-bodies. The evidence for resorption supports earlier papers reporti...

journal_title：Cell and tissue research

authors： Froesch D,Mangold K

更新日期：1976-08-10 00:00:00

abstract：:The retina of the distal and proximal lens-bearing complex ocelli are composed of pigmented sensory cells and long pigmented cells. A ciliary sheath from each sensory cell, together with the processes of long pigmented cells, extends through the vitreous layer as far as the capsule that envelops the lens. Each ciliary...

journal_title：Cell and tissue research

authors： Yamasu T,Yoshida M

更新日期：1976-07-30 00:00:00

abstract：:It is possible to determine statistically the repartitions of shapes or sizes in a population of particles from the recurrence of shapes or sizes of their outlines in microscopical sections. This method was applied to a population of 1326 follicular profiles randomly sampled from 30 ovaries of pubescent homozygous "Nu...

journal_title：Cell and tissue research

authors： Sprumont P

更新日期：1976-07-30 00:00:00

abstract：:Adenohypophysial primordia of rat embryos at 13 to 15 days gestation were cultured in Parker 199 synthetic medium for 2 to 11 days. At the end of the culture period their fine structure and the presence of immunoreactive trophic hormones using the peroxidase-labeled antibody technique were investigated. The degree of ...

journal_title：Cell and tissue research

authors： Nemeskéry A,Németh A,Sétáló G,Vigh S,Halász B

更新日期：1976-07-26 00:00:00

abstract：:Electronmicroscopic and cytochemical studies were performed to localize interdigitating reticulum cells (IDC) in the popliteal lymph node of the rat. The morphological features of the IDC of the rat correspond to those described for other species, but also show similarities to normal macrophages in the rat. This is co...

journal_title：Cell and tissue research

authors： Friess A

更新日期：1976-07-20 00:00:00

abstract：:Intracellular sporozoan parasites invade the host cell through the invagination of the plasma membrane of the host and a vacuole is formed which accommodates the entering parasite. The vacuole may disappear and the invaginated membrane of the host then becomes closely apposed to that of the parasite's own membrane. As...

journal_title：Cell and tissue research

authors： Rudzinska MA,Trager W,Lewengrub SJ,Gubert E

更新日期：1976-06-28 00:00:00

abstract：:Evidence has already been adduced suggesting that an increase in microtubular number occurs in the tractus hypophyseus of rats stressed by the administration of hypertonic saline, and of rats with congenital diabetes insipidus (CDI). Since the tractus hypophyseus in these animals shows high secretory activity, it seem...

journal_title：Cell and tissue research

authors： Grainger F,Sloper JC

更新日期：1976-06-28 00:00:00

abstract：:The nine-banded armadillo possesses a salivary bladder which is a dilated portion of the main duct of the submandibular gland at its origin. The wall of the bladder is composed of an epithelium, a submucosa and a thick coat of skeletal muscle. The ultrastructure of the epithelium reveals that it is complex and consist...

journal_title：Cell and tissue research

authors： Ruby JR,Allen ER

更新日期：1976-06-28 00:00:00

abstract：:The structure of the two integumental layers comprising the carapace of female D. magna was examined at several points through the molt cycle. The epicuticle and procuticle are simple in organisation; pore canalsare absent but intracuticular fibres are present, forming complexes with invaginations of the epidermal pla...

journal_title：Cell and tissue research

authors： Halcrow K

更新日期：1976-06-14 00:00:00

abstract：:For the study of the hypothalamo-hypophysial system of Xenopus laevis tadpoles, hypothalamic lesions were made by means of the electrocoagulation technique. Lesioning of the ventral region of the preoptic nucleus resulted in a decrease of the number of ACTH cells in the pars distalis of the pituitary gland and in a di...

journal_title：Cell and tissue research

authors： Notenboom CD,Terlou M,Maten ML

更新日期：1976-06-11 00:00:00

abstract：:Previous neurohistological studies have been extended to include the structures contained solely or mainly within the junctional esophageal segment which may play an important role in the sphincter mechanism. The main findings were: 1) a progressive cranio-caudal thickening of the muscularis mucosae; 2) a conspicuous ...

journal_title：Cell and tissue research

authors： Cecio A

更新日期：1976-05-26 00:00:00

abstract：:The distribution of radioactivity in the rat hypothalamus after intraventricular injection of tritiated luteinizing hormone-releasing hormone (LH-RH) was studied by autoradiography and compared with that expected from Fick's second law which defines the character of ordinary diffusion. The results suggest that LH-RH p...

journal_title：Cell and tissue research

authors： Goldgefter L

更新日期：1976-05-13 00:00:00

abstract：:In Nassarius reticulatus the nuclei and nucleoli undergo important morphological changes from the zygote to the 16-cell stage. In the zygote and in the trefoil (2-cell) and 4-cell stage, several agranular, fibrillar nucleolus-like bodies 1 mum diameter are present in the interphase nucleus. Granular nucleoli first app...

journal_title：Cell and tissue research

authors： Schmekel L,Fioroni P

更新日期：1976-05-13 00:00:00

abstract：:The supraependymal cells (SEC) are a normal component of the wall of the cerebral ventricles. In the hypothalamic area of the third ventricle they are restricted, in healthy animals, to the ependymal projection of the hypophyseotropic area. Here the SEC show great polymorphism. In addition to bipolar, multipolar and s...

journal_title：Cell and tissue research

authors： Mestres P,Breipohl W

更新日期：1976-05-13 00:00:00

abstract：:Four groups of male rats were exercised for periods of 2, 4, 6, and 8 weeks with controls in each group. As a result of chronic exercise there was an increase in the width of the zona fasciculata of the adrenal cortex. Also, there was an increase in the number and size of the mitochondria, and an increase in the quant...

journal_title：Cell and tissue research

authors： Buuck RJ,Tharp GD,Brumbaugh JA

更新日期：1976-05-06 00:00:00

abstract：:The technique of cobalt sulfide precipitation combined with Timm's sulfide-silver method for intensification of heavy metals was used to delineate the retino-hypothalamic projection of the rat. Freshly isolated rat brains were dissected and a solution of cobaltous chloride was applied to one of the cut optic nerves. S...

journal_title：Cell and tissue research

authors： Mason CA,Lincoln DW

更新日期：1976-04-28 00:00:00

abstract：:The cerebral ganglia of the freshwater snail Lymnaea stagnalis contain two clusters of neurosecretory Caudo-Dorsal Cells (CDC). These cells produce a neurohormone which stimulates ovulation. Ganglion transplantation and quantitative electron microscopy show that neuronal isolation of the cerebral ganglia complex (CCC)...

journal_title：Cell and tissue research

authors： Roubos EW

更新日期：1976-04-28 00:00:00

abstract：:The present electron microscopic autoradiographic study includes a quantitative analysis of osteoclasts in vitro using tritiated leucin as a protein tracer. A significant increase in the grain density over the ruffled border and the underlying resportion zone was demonstrated two hours post pulse whereas the grain den...

journal_title：Cell and tissue research

authors： Lucht U,Norgaard JO

更新日期：1976-04-28 00:00:00

abstract：:In rats the "fast" fibular nerve was transposed to the "slow" soleus muscle outside the original innervation band. Formation of new neuromuscular junctions was induced by cutting the soleus nerve after different periods of time. The morphological maturation of these junctions was studied by electron microscopy. New ne...

journal_title：Cell and tissue research

authors： Korneliussen H,Sommerschild H

更新日期：1976-04-09 00:00:00

abstract：:The ultrastructure of adult male rat pinealocytes was studied after orchidectomy and orchidectomy followed by LH-RH administration. Castration causes an increased development of the rough endoplasmic reticulum and the Golgi apparatus as well as an increase in the number of lipid droplets and lysosomes. The changes aft...

journal_title：Cell and tissue research

authors： Karasek M,Pawlikowski M,Kappers A,Stepień H

更新日期：1976-04-02 00:00:00

abstract：:Using anti-carp-gonadotropic-gamma-globulin, the indirect immunofluorescence technique was applied to sections of the pituitary of 12 teleost species. From the investigated species, the Poeciliinae, and especially the black molly, showed a distinct localization of fluorescent cells in the mesoadenohypophysis. Strong f...

journal_title：Cell and tissue research

authors： Goos HJ,Seldenrijk R,Peute J

更新日期：1976-03-16 00:00:00

abstract：:Neural lobes of control and "Jimpy" mice were examined electron microscopically. The ultrastructure and incidence of pituicytes was examined following reports of reductions in astrocyte and oligodendrocyte populations in areas of the CNS of Jimpy mice. The failure to demonstrate any modification of structure or number...

journal_title：Cell and tissue research

authors： Livingston A

更新日期：1976-03-05 00:00:00

abstract：:The capsule of the muscle spindle from the anterior and posterior latissimus dorsi muscles of the adult domestic chicken has been studied with the electron microscope. As in other species, two distinct portions of the spindle capsule are distinguished: an outer capsule and an inner capsule. The outer capsule is struct...

journal_title：Cell and tissue research

authors： Ovalle WK

更新日期：1976-02-25 00:00:00

abstract：:In vitro incubation of autonomic nerves with vinblastine sulphate (1 times 10(-4) M) caused a disappearance of microtubules within 15 min; during the following 15 min paracrystalline arrays appeared within the axons. An increase in the abundance of microfilaments was also observed, but these did not appear to arise fr...

journal_title：Cell and tissue research

authors： Tomlinson DR,Bennett T

更新日期：1976-02-25 00:00:00

abstract：:Ultrastructural investigations showed that development and maintenance of smooth muscle was similar in control and aneurogenic amphibian larvae. This applies to both multi-unit and unitary smooth muscles. The gut musculature displayed a regional variation in smooth muscle morphology and a variety of intermuscular appo...

journal_title：Cell and tissue research

authors： Tweedle CD

更新日期：1976-02-12 00:00:00

abstract：:The fine structure of luminal surface of clearly identified portions of uriniferous tubules has been studied by scanning electron microscopy to elucidate some controversies concerning the topography of certain surface formations. The results show a characteristic pattern of the luminal surface in the region of Henle's...

journal_title：Cell and tissue research

authors： Pfaller W,Klima J

更新日期：1976-02-06 00:00:00

abstract：:The thyroid cells of the cream hamster, characterized by abundance of microtubules and stratification of the organelles, undergo a particular evolution when the animals grow older. These changes are characterized by an increase of the number of lysosomes which in extreme cases become so prominent that they occupy the ...

journal_title：Cell and tissue research

authors： Ketelbant-Balasse P,Nève P

更新日期：1976-02-06 00:00:00

abstract：:Prolonged secretory stimulation of the exocrine pancreas in the rat by in vivo infusion of caerulein leads to a rapid degranulation of the organ associated with a progressive reduction in the size of the zymogen granules. During the first six to twelve hours of stimulation Golgi complexes are enlarged and several stru...

journal_title：Cell and tissue research

authors： Bieger W,Martin-Achard A,Bassler M,Kern HF

更新日期：1976-01-28 00:00:00

abstract：:The long nonmyelinated portion of the unipolar process of spinal ganglion cells resembles in many instances the perikaryon and is characterized by the following structural pecularities: 1. The surface membrane displays numerous invaginations and evaginations, which interdigitate with folds of the investing satellite c...

journal_title：Cell and tissue research

authors： Zenker W,Högl E

更新日期：1976-01-27 00:00:00

abstract：:The ultrastructure of the sinus gland of the fiddler crab, Uca pugnax, was investigated and found to be similar to that in other crustaceans. Five types of neurosecretory axon terminals were tentatively identified on the basis of the size, shape, and electron density of granules within the axons. Release of neuro-secr...

journal_title：Cell and tissue research

authors： Silverthorn SU

更新日期：1975-12-29 00:00:00

abstract：:The effect of pilocarpine and food uptake on the rate of incorporation of [3H]-leucine in vivo was measured by means of quantitative radioautography in three exocrine cells of the rat: the acinar and the granular duct cells of the submandibular and the acinar cells of the parotid gland. The three cell types react diff...

journal_title：Cell and tissue research

authors： Kuijper-Lenstra AH,Kramer MF,van Venrooij WJ

更新日期：1975-12-18 00:00:00

abstract：:The surface ultrastructure of Kupffer cells in the rat liver has been studied by scanning electron microscopy (SEM). The results demonstrate that Kupffer cells are both significantly different and clearly distinct from endothelial cells. Kupffer cells have neither pores (and/or "sieve plates") nor fenestrations, all o...

journal_title：Cell and tissue research

authors： Motta P

更新日期：1975-12-10 00:00:00

abstract：:The ultrastructure of corpora lutea obtained during the preimplantation implantation and early post-implantation periods has been studied in 20 western spotted skunks. Fine structure of granulosa lutein cells was correlated with progesterone levels. The corpus luteum of the prolonged (7 month) preimplantaion period co...

journal_title：Cell and tissue research

authors： Sinha AA,Mead RA

更新日期：1975-12-02 00:00:00

abstract：:With the gallocyanine technique (Wittkowski, Bock and Franken, 1970) Gomori-positive substances of the infundibulum can be stained for light- and electron-microscopic examination. In various mammalian species, the size of Gomori-positive elementary granules in the outer layer is markedly different from that in the inn...

journal_title：Cell and tissue research

authors： Brinkmann H,Wittkowski W,Bock R

更新日期：1975-11-19 00:00:00

abstract：:Carotid bodies of ducks show no detectable changes in ultrastructure up to periods of four weeks following the removal of 2-3 cm of the cervical vagus (decentralization). This indicates that the majority, and possibily all the nerves terminating on the glomus cells are afferent (sensory) in nature. These nerve endings...

journal_title：Cell and tissue research

authors： Butler PJ,Osborne MP

更新日期：1975-11-19 00:00:00

abstract：:Single Golgi impregnated visual cells and their axons were treated from the retina to the first synaptic layer (lamina) in serial electron microscopic sections. This analysis of the retina-lamina projection was undertaken in the upper dorso-median eye region which is known to be involved in the perception of polarized...

journal_title：Cell and tissue research

authors： Sommer EW,Wehner R

更新日期：1975-11-17 00:00:00

abstract：:Fixed cerebral vesicles of mouse foetuses were fractured and examined with the scanning electron microscope. This method provides a study of the three dimensional developmental features of the pseudostratified columnar epithelium up to the formation of the early cortex plate. Matrix cells are a cell population of homo...

journal_title：Cell and tissue research

authors： Meller K,Tetzlaff W

更新日期：1975-11-12 00:00:00

abstract：:The globiferous pedicellariae of Psammechinus miliaris are described. Two fixation methods giving minimal distortion and rapid tissue hardening were adapted for soft tissue preparation for scanning electron microscopy. The pedicellarial valves are covered by a microvillous epithelium. The outer valve epithelial microv...

journal_title：Cell and tissue research

authors： Oldfield SC

更新日期：1975-10-13 00:00:00