abstract：:Synaptic ribbons in photoreceptor cells of the goldfish pineal organ undergo significant daily changes in their length, distance from the plasma membrane, and number per unit area of pineal end-vesicle. The rhythms persist in fish exposed to constant darkness. Constant light abolishes the rhythms in length and distanc...

journal_title：Cell and tissue research

authors： McNulty JA

更新日期：1981-01-01 00:00:00

abstract：:As a companion to an earlier study, the morphometric attributes of stimulated (blast-derived) lymphocytes in mouse axillary lymph nodes have been established using stereological and autoradiographic methods. Blast transformation was induced in vivo with dinitrochlorobenzene (DNCB) and stimulated cells were labelled wi...

journal_title：Cell and tissue research

authors： Al-Hamdani MM,Atkinson ME,Mayhew TM

更新日期：1981-01-01 00:00:00

abstract：:In previous studies the differentiation of the epithelium in the human hard palate has been described stereologically using parameters expressed per unit tissue volume. Since single epithelial cells represent the true biological units of this tissue, it became necessary to estimate the absolute size of such cells in o...

journal_title：Cell and tissue research

authors： Müller-Glauser W

更新日期：1981-01-01 00:00:00

abstract：:The development of the rat adrenal medulla was studied at the ultrastructural level with particular emphasis placed on early discrimination of different catecholamine-storing cells. The first granule-containing cells, phaeochromoblasts, were seen at day 15 of gestation migrating into the anlage of the cortex. These ce...

journal_title：Cell and tissue research

authors： Millar TJ,Unsicker K

更新日期：1981-01-01 00:00:00

abstract：:The axon hillock (AH) and initial segment (IS) of 10 Golgi neurons and 6 basket cells in the cerebellar cortex of the rat were investigated by electron microscopy using serial sections. An average of 10.4 and 11.3 synaptic terminals were observed to establish synaptic contact with the axon hillock region of Golgi and ...

journal_title：Cell and tissue research

authors： Hámori J

更新日期：1981-01-01 00:00:00

abstract：:Transmission electron micrographs of the mesonephric nephron in 18 day rabbit embryos reveal major cytological structures reappearing in the nephron of the definitive rabbit kidney. The initial segment of the proximal tubule resembles (despite quite different cell proportions) the cell picture of the metanephric S2-se...

journal_title：Cell and tissue research

authors： Wettstein R,Tiedemann K

更新日期：1981-01-01 00:00:00

abstract：:Rat ovarian perifollicular contractile tissue was examined at specified intervals prior to ovulation to determine the type, relative number, and length of cellular junctions. Rat ovaries were taken for electron-microscopic observation at 1500 h on the afternoon of proestrus (proestrus 0-h group), at 2000 h (proestrus ...

journal_title：Cell and tissue research

authors： Capps ML,Lawrence IE Jr,Burden HW

更新日期：1981-01-01 00:00:00

abstract：:The ultrastructure of the calcium-sensitive (Ca-s) (PAS-positive) cells of the pars intermedia was investigated in eels kept in hypo- and hyperosmotic environments. Although the cells were moderately active in fresh water (FW), they were highly stimulated in deionized water (DW) and displayed an enlarged Golgi apparat...

journal_title：Cell and tissue research

authors： Olivereau M,Chambolle P,Dubourg P

更新日期：1981-01-01 00:00:00

abstract：:The regression of atretic oocytes in Perca fluviatilis was studied by histochemical, light and electron microscopic methods. The course of regression can be divided into three stages, the first two comprising the dissolution of the atretic oocyte and its phagocytosis by the granulosa cells of the follicular epithelium...

journal_title：Cell and tissue research

authors： Lang I

更新日期：1981-01-01 00:00:00

abstract：:The neural circuit that controls the hearts in the leech comprises an ensemble of synaptically interconnected cardiac motor neurons (HE cells) and cardiac interneurons (HN cells). Both the HE cells and the HN cells constitute segmentally homologous sets. We have investigated the structure of these neurons by iontophor...

journal_title：Cell and tissue research

authors： Shafer MR,Calabrese RL

更新日期：1981-01-01 00:00:00

abstract：:Larvae of Ascidia malaca, both before and after hatching, were treated with L-thyroxine solutions. The effect of the thyroid hormone was to induce the onset of metamorphosis and then to cause the rate at which body reorganization occurred to increase. In treated larvae the resorption of the tail occurred only few hour...

journal_title：Cell and tissue research

authors： Patricolo E,Ortolani G,Cascio A

更新日期：1981-01-01 00:00:00

abstract：:The fine structure of the ventrolateral and dorsomedial subdivisions of the ventromedial nucleus (VMN) of the hypothalamus was examined in ovariectomized/control and ovariectomized/estrogen-treated rats to compare neurons of these areas to other neurons (specifically the ventrolateral thalamus), and to determine the e...

journal_title：Cell and tissue research

authors： Cohen RS,Pfaff DW

更新日期：1981-01-01 00:00:00

abstract：:Luteinizing hormones-releasing hormone (LHRH), vasopressin, and corticotropin systems were examined by immunocytochemical methods in male rats 2 to 20 days after deafferentation of the basal hypothalamus. Axonal degeneration of the vasopressin system (whose perikarya lie rostral to the island) and the corticotropin sy...

journal_title：Cell and tissue research

authors： Scott PM,Knigge KM

更新日期：1981-01-01 00:00:00

abstract：:In the rostral hypothalamus of the domestic fowl, the magnocellular neurosecretory nuclei show a peculiar differentiation. Golgi studies of the supraoptic and paraventricular nuclei of the fowl reveal at least two major cell types: 1) large multipolar neurons, and 2) small interneurons. Golgi impregnations provide a d...

journal_title：Cell and tissue research

authors： Viglietti-Panzica C,Panzica GC

更新日期：1981-01-01 00:00:00

abstract：:The effects of progesterone pretreatment on in vivo 3H-estrogen uptake by five anterior pituitary cell types was analyzed by means of a quantitative autoradiographic-immunocytochemical technique. Male and female rats castrated for 14 days show nuclear concentration of label in all five cell types one h after injection...

journal_title：Cell and tissue research

authors： Keefer DA

更新日期：1981-01-01 00:00:00

abstract：:Tactile hairs on the locust thorax can be divided into two classes by their external morphology and their central projection pattern: Short hairs, 10--100 micrometer in length, which are assembled in distinct plates and rows, and long hairs, 100--800 micrometer in length, which are distributed all over the body and ar...

journal_title：Cell and tissue research

authors： Pflüger HJ,Bräunig P,Hustert R

更新日期：1981-01-01 00:00:00

abstract：:The otoliths of embryos and young animals of the lizard Podarcis s. sicula were studied by X-ray diffraction and scanning electron microscopy. Two types of crystal that give different X-ray diffraction patterns were found in the membranous labyrinth of Podarcis. The crystals consist of calcite or aragonite and are eas...

journal_title：Cell and tissue research

authors： Marmo F,Franco E,Balsamo G

更新日期：1981-01-01 00:00:00

abstract：:A histological examination of 205 fish representing four cyprinid species from a site 2.5 miles north of Wheeling, West Virginia, on the Ohio River revealed large (2--4 micron) cuboidal intranuclear inclusion bodies (NIB's) within neurons in the cranial and spinal ganglia of three species. Because the minnows had been...

journal_title：Cell and tissue research

authors： Hoover KL,Harshbarger JC,Lee CW,Banfield W,Chang SC

更新日期：1981-01-01 00:00:00

abstract：:VIP-containing neurons were localized in lungs from dogs, cat, and human subjects by means of the indirect immunofluorescence technique. Nerve fibers and terminals were observed in the smooth muscle layer and glands of airways, and within the walls of pulmonary and bronchial vessels, especially at the medial-adventiti...

journal_title：Cell and tissue research

authors： Dey RD,Shannon WA Jr,Said SI

更新日期：1981-01-01 00:00:00

abstract：:Filamentous intranuclear rodlets were found in a majority of cells in a bronchiolar neuroepithelial body of a rabbit. These rodlets appear to be similar to structures that have been described primarily in neural tissues. They are composed of large bundles of microfibrils made up of smaller subbundles. No close associa...

journal_title：Cell and tissue research

authors： El-Bermani AW,Montvilo JA,Bloomquist EI

更新日期：1981-01-01 00:00:00

abstract：:The antioxidant enzymes superoxide dismutase, glutathione peroxidase, and catalase were measured in the rete mirabile and gas gland epithelium area of the swim bladder of the toadfish Opsanus tau. When the concentration of enzyme in the swim bladder was compared with the concentration in other organs (kidney, heart, g...

journal_title：Cell and tissue research

authors： Morris SM,Albright JT

更新日期：1981-01-01 00:00:00

abstract：:The presence of melatonin is demonstrated in the pineal gland, the retina and the Harderian gland in some mammalian and non-mammalian vertebrates, using a specific fluorescence labelled antibody technique. Four different potent antibodies against melatonin have been used and compared. In the pineal gland of hamsters, ...

journal_title：Cell and tissue research

authors： Vivien-Roels B,Pévet P,Dubois MP,Arendt J,Brown GM

更新日期：1981-01-01 00:00:00

abstract：:The endoneurial collagen sheath around teased nerve fibres following crush injury was studied by scanning electron microscopy and compared with uninjured sciatic nerve fibres and with fibres from the dystonic mutant mouse. Following crush injury the endoneurial collagen became more abundant than seen in untreated nerv...

journal_title：Cell and tissue research

authors： Moss TH,Lewkowicz SJ

更新日期：1981-01-01 00:00:00

abstract：:The cellular response of non-neuronal elements of the pyramidal cell layer of the rat hippocampus, especially the area CA3, was observed electron microscopically following destruction of this formation by means of intraventricular administration of kainic acid (KA). The neuroglial cell types responding to the KA-induc...

journal_title：Cell and tissue research

authors： Murabe Y,Ibata Y,Sano Y

更新日期：1981-01-01 00:00:00

abstract：:The ultrastructure of the contractile apparatus of the rat soleus muscle during the course of denervation atrophy was investigated. It was found that the ratio of thin the thick filaments increased in myofibrils of atrophying muscle fibers. Elevation of the ratio was observed as early as the second day after denervati...

journal_title：Cell and tissue research

authors： Jakubiec-Puka A,Kulesza-Lipka D,Krajewski K

更新日期：1981-01-01 00:00:00

abstract：:Two different fixative procedures (immersion and perfusion) and four different fixative solutions were used in order to obtain the best preservation of the brush cells of the common bile duct of the rat. The results indicate that only perfusion fixation through the common bile duct is suitable, independent of the fixa...

journal_title：Cell and tissue research

authors： Luciano L,Castellucci M,Reale E

更新日期：1981-01-01 00:00:00

abstract：:Captopril [1-(D-3-mercapto-2-methyl-1-oxopropyl)-L-proline (S,S)] is now known to be an inhibitor of angiotensin-converting enzyme. In male mice, the juxtaglomerular cells were examined by electron microscopy 42 h after administration of captopril. Numerous dense granules appeared in the rough endoplasmic reticulum of...

journal_title：Cell and tissue research

authors： Kaneta M,Abe K,Ito T

更新日期：1981-01-01 00:00:00

abstract：:The retinal projections in adult and juvenile guitar fish (Rhinobatos productus) were determined with the aid of the Nauta-Fink-Heimer techniques. The visual system was found to be more extensive and more differentiated than in any other elasmobranch studied to date. Massive projections exist to the dorsal and ventral...

journal_title：Cell and tissue research

authors： Ebbesson SO,Meyer DL

更新日期：1980-01-01 00:00:00

abstract：:The protonephridial flame cell of the freshwater planarian Bdellocephala brunnea was studied by electron microscopy. This basketlike cell with luminal cilia and fenestrae is known as a cyrtocyte. Careful examination revealed the actual continuity of the fenestrae over the surface of the cell and the microvillous natur...

journal_title：Cell and tissue research

authors： Ishii S

更新日期：1980-01-01 00:00:00

abstract：:The excretory system of Macrobiotus richtersi consists of one dorsal and two lateral components and shows a high degree of structural complexity. In each of these a tricellular external lobe and a column can be distinguished, the two parts being connected distally. The surface of the lobe cells is increased by deep ba...

journal_title：Cell and tissue research

authors： Weglarska B

更新日期：1980-01-01 00:00:00

abstract：:Ontogenetic differentiation of the human thymus was investigated in 50 embryos by means of light and electron microscopic methods in an attempt to clarify the morphogenesis of the complicated microecology of thymic tissue. At the 8th gestational week (g.w.), the primordium of the thymus contains almost exclusively und...

journal_title：Cell and tissue research

authors： von Gaudecker B,Müller-Hermelink HK

更新日期：1980-01-01 00:00:00

abstract：:Testicular neoplasms occur spontaneously in androgen insensitive mice with testicular feminization (tfm/y); they are composed of Leydig cells, lipid-laden cells, fibroblastlike cells, and macrophages. The small Leydig cells in the periphery of the tumor are structurally similar to nontumorous tfm/y Leydig cells, where...

journal_title：Cell and tissue research

authors： Chung KW

更新日期：1980-01-01 00:00:00

abstract：:Fc and C3 receptors, which are characteristically present on macrophages, could not be demonstrated on osteoclasts maintained in situ on their normal substrates when assayed for by use of sheep red blood cells coated with immunoglobulin (Shapiro et al. 1979). The present study tested the hypotheses that Fc receptors a...

journal_title：Cell and tissue research

authors： Hogg N,Shapiro IM,Jones SJ,Slusarenko M,Boyde A

更新日期：1980-01-01 00:00:00

abstract：:Stellate cells in the rabbit adenohypophysis were observed electron microscopically under normal and experimental conditions such as lactation, thyroidectomy, adrenalectomy, or castration. In control animals stellate cells had a scanty cytoplasm surrounding the nucleus and possessed slender processes extending between...

journal_title：Cell and tissue research

authors： Shiotani Y

更新日期：1980-01-01 00:00:00

abstract：:LDH is localized along various intracytoplasmatic membranes of osteoclasts. Macrophages show membrane-bound LDH only after phagocytosis of calcium hydroxylapatite, the main mineral constituent of bone. The localization of LDH in these macrophages is almost the same as in osteoclasts. The significance of this finding, ...

journal_title：Cell and tissue research

authors： Touw JJ,Hemrika-Wagner AM,Vermeiden JP

更新日期：1980-01-01 00:00:00

abstract：:Kidneys of 2 to 10 day-old rats of Wistar and Sprague-Dawley strains were fixed with glutaraldehyde by retrograde vascular perfusion and then prepared for observation in TEM and SEM. In addition methacrylate casts of differentiating glomerular capillaries were examined by SEM. Although the glomerular vascular pattern ...

journal_title：Cell and tissue research

authors： Kazimierczak J

更新日期：1980-01-01 00:00:00

abstract：:The larval stage of Polypodium hydriforme is planuliform and parasitic inside the growing oocytes of acipenserid fishes. The larva has inverted germ layers and a special envelope, the trophamnion, surrounding it within the host oocyte. The trophamnion is a giant unicellular provisory structure derived from the second ...

journal_title：Cell and tissue research

authors： Raikova EV

更新日期：1980-01-01 00:00:00

abstract：:Neuroblastoma cells grown on substrates in culture develop long processes and assume the morphology of normal neurons as judged light microscopically. The development of synapses in the cultured tissue is studied by periodic electron microscopic examination of the areas of contact between cells. The initial explants a...

journal_title：Cell and tissue research

authors： Spoerri PE,Glees P,Dresp W

更新日期：1980-01-01 00:00:00

abstract：:The structure of the compound eyes of adult Cicindela tranquebarica Herbst was examined by use of light, scanning, and transmission electron microscopy. Each ommatidium of these photopic eyes is eucone and has a "subcorneal layer" situated between the corneal lens and crystalline cone. A distal rhabdomere consisting o...

journal_title：Cell and tissue research

authors： Kuster JE

更新日期：1980-01-01 00:00:00

abstract：:Duck muscle spindles show a large outer capsule enclosing a number of intrafusal muscle fibres which are individually encircled by an inner capsule. The outer capsule consists of a multilayer of 4-6 flattened cells with elongated nuclei, and are usually lined by a basement membrane. They resemble and are linked with p...

journal_title：Cell and tissue research

authors： Adal MN,Cheng SB

更新日期：1980-01-01 00:00:00