abstract：:The location of the perikarya of LH-RH neurons in the rat hypothalamus and their pathways to the median eminence were studied by immunohistochemistry and radioimmunoassay after placing stereotaxic electrolytic lesions in several parts of the hypothalamus. The principal location of the cell somata was found to be in th...

journal_title：Cell and tissue research

authors： Ibata Y,Watanabe K,Kinoshita H,Kubo S,Sano Y,Sin S,Hashimura E,Imagawa K

更新日期：1979-05-25 00:00:00

abstract：:The peritoneal mesothelium of mouse embryos (12 to 18 day of gestation) was studied by freeze-fracture and in sections in order to reveal the initial formation of the tight junctions. Freeze-fracture observations showed three types of tight junctions. Type I consists of belt-like meshworks of elevations on the P face ...

journal_title：Cell and tissue research

authors： Suzuki F,Nagano T

更新日期：1979-05-18 00:00:00

abstract：:Thyroid glands of 7 to 21 day-old chick embryos were examined by electron microscopy using freeze-fracture and thin-section preparations. The primitive follicle lumen first appears between two adjacent epithelial cells in 8 day-old embryos, and is formed in the region of a focal tight junction (macula occludens). The ...

journal_title：Cell and tissue research

authors： Ishimura K,Fujita H

更新日期：1979-04-30 00:00:00

abstract：:Cells binding anti-bovine TASH beta serum were found exclusively in the rostral lobe of the adenohypophysis of the drake using the peroxidase-antiperoxidase complex unlabelled antibody method. The specificity of the binding of the anti-serum to TSH cells was established by relating the morphology and relative abundanc...

journal_title：Cell and tissue research

authors： Sharp PJ,Chiasson RB,El Tounsy MM,Klandorf H,Radke WJ

更新日期：1979-04-30 00:00:00

abstract：:The distribution of luteinizing hormone-releasing hormone (LHRH) was studied in the rat and mouse brain by means of light and electron microscopic immunohistochemistry using the peroxidase-antiperoxidase method. An immunoreactive product to LHRH antiserum was found near the blood vessels of the vascular organ of the l...

journal_title：Cell and tissue research

authors： Nozaki M,Taketani Y,Minaguchi H,Kigawa T,Kobayashi H

更新日期：1979-03-19 00:00:00

abstract：:Surface features of the ependymal linings of the fourth ventricle in the fowl were analyzed employing the scanning electron microscope (SEM). On the floor of the median sulcus, each ependymal cell has a solitary cilium, whereas on both sides of the sulcus, cilia are so densely distributed that the details of the under...

journal_title：Cell and tissue research

authors： Hirunagi K,Yasuda M

更新日期：1979-03-09 00:00:00

abstract：:A study of the organisation of the locust dorsal ocellus shows that the structure is designed to provide the maximum possible effective aperture. The condenser-like cuticular lens and the dispersal of the rhabdome over a large proportion of the circumferential area of the retinula cells increases the light gathering p...

journal_title：Cell and tissue research

authors： Goodman LJ,Mobbs PG,Kirkham JB

更新日期：1979-02-28 00:00:00

abstract：:Radiofrequency lesions were made in the lateral geniculate nuclei of six squirrel monkeys. The resulting degenerating terminals and their postsynaptic structures in layer IV of area 17 were quantitatively categorized on photomontages covering large areas of neuropil. Two to five days after the lesion, numerous axon te...

journal_title：Cell and tissue research

authors： Tigges M,Tigges J

更新日期：1979-02-28 00:00:00

abstract：:The structure of the bulbus arteriosus of a wide range of teleost fish is described with particular reference to the vascularization and innervation. The adventitia of the organ consists of blood vessels and large nerve bundles in a collagen matrix. The nerve bundles contain monoamines, and fluorescence studies show s...

journal_title：Cell and tissue research

authors： Watson AD,Cobb JL

更新日期：1979-02-15 00:00:00

abstract：:With the use of immunocytochemistry, it was shown that both the supraoptic and paraventricular hypothalamic nuclei in humans contain at least two different neurophysins. These two human neurophysins are immunologically related to bovine neurophysin I and neurophysin II, respectively. One human neurophysin is associate...

journal_title：Cell and tissue research

authors： Dierickx K,Vandesande F

更新日期：1979-02-15 00:00:00

abstract：:In contrast to the vitellolysis zone which is involved in the degradation of the yolk, the cytoplasmic zone of the yolk syncytial layer, composed of many cytoplasmic organelles, is implicated in a secretory process. The granular endoplasmic reticulum of the latter is extremely well developed and organized into trabecu...

journal_title：Cell and tissue research

authors： Walzer C,Schönenberger N

更新日期：1979-01-30 00:00:00

abstract：:The midgut cells of Tomocerus minor (Insecta, Collembola) were examined with the electron microscope and cytochemically. The midgut epithelium consists of a series of cells characterised by numerous mineral concretions scattered throughout the cytoplasm. Mitochondria are abundant; microvilli are well developed at the ...

journal_title：Cell and tissue research

authors： Humbert W

更新日期：1979-01-30 00:00:00

abstract：:A combination of light, transmission and scanning electron microscopy was employed to demonstrate the occurrence, arrangement and structure of taste buds in the oral mucosa of the soft palate of monkeys (Macaca irus). Taste buds are found in aggregates confined to 0.15 to 0.3 mm wide, round islands of keratinizing epi...

journal_title：Cell and tissue research

authors： Klein PB,Schroeder HE

更新日期：1979-01-30 00:00:00

abstract：:A somatostatin-like substance is demonstrated by light microscopic immunohistochemistry (PAP-method) in perikarya and cell processes of the retina of adult and infant rats. These perikarya are identified according to their size, arrangement and distribution. Each of the first two neuronal orders (receptors, bipolar ce...

journal_title：Cell and tissue research

authors： Kirsch B,Leonhardt H

更新日期：1979-01-01 00:00:00

abstract：:The development of neurophysin-oxytocin and neurophysin-vasopressin containing neurons of the guinea pig was studied in vitro. Supraoptic (SO) and paraventricular (PV) nuclei were explanted from guinea pig foetuses at the 40th day of gestation and cultured in Maximov slides for nearly fifty days. The cultures were obs...

journal_title：Cell and tissue research

authors： Marson AM,Privat A

更新日期：1979-01-01 00:00:00

abstract：:The course of the Nervus connectivus (N.c.), its branches, and synaptic connections within the frontal ganglion (FG) were investigated electron microscopically after cobalt iontophoresis of the N.c. The subsequent treatment of ultrathin sections with Timm's method was found to be very suitable for identifying the smal...

journal_title：Cell and tissue research

authors： Ude J,Agricola H

更新日期：1979-01-01 00:00:00

abstract：:The retina of the phalangid, Opilio ravennae, consists of retinula cells with distal rhabdomeres, arhabdomeric cells, and sheath cells. The receptive segment of retinula cells shows a clear separation into a proximal rhabdom, organized into distinct rhabdom units formed by three or four retinula cells, and a distal rh...

journal_title：Cell and tissue research

authors： Schliwa M

更新日期：1979-01-01 00:00:00

abstract：:The present study continues a previous investigation on the median eminence (EM) (Krisch et al., 1978). In rats with high levels of neurohormones (LHRH, vasopressin) a limited immunohistochemical labeling of perivascular tanycyte processes can be observed surrounding capillaries in the marginal region of the organum v...

journal_title：Cell and tissue research

authors： Krisch B,Leonhardt H,Buchheim W

更新日期：1978-12-29 00:00:00

abstract：:The pineal organ of the blind, cave-dwelling fish, Typhlichythyes subterraneous, was examined with both light and electron microscopes. Like the eyes, the pineal in this troglobytic species was found to be regressed. Two cell types, photoreceptor and supportive cells, were described in the pineal epithelium. Although ...

journal_title：Cell and tissue research

authors： McNulty JA

更新日期：1978-12-29 00:00:00

abstract：:Thin sections after bile duct ligation showed that the depth of tight junctions appeared to increase and that the distance between individual punctate contacts appeared to become irregular and wider than in controls. The freeze fracture replicas clearly demonstrated these changes in the tight junction morphology. Chan...

journal_title：Cell and tissue research

authors： Koga A,Todo S

更新日期：1978-12-28 00:00:00

abstract：:Light and electron microscopic autoradiography has been employed to define the neuroanatomical patterns of uptake and binding of radiolabelled L-dopa in the endocrine hypothalamus of the rat. A dorsomedial continuum of arcuate and periventricular neurons selectively sequester 3HL-dopa 20 min following its intraventric...

journal_title：Cell and tissue research

authors： Scott DE,Scott PM,Krobisch-Dudley G

更新日期：1978-12-14 00:00:00

abstract：:Frozen sections of growing terminal follicles of the locust ovary were incubated with an ecdysteroid-specific rabbit antibody and the bound antibody visualised by the use of FITC-labelled goat-anti-rabbit antiserum. A bright fluorescence was seen in the cytoplasm of the follicle cells in terminal follicles with a leng...

journal_title：Cell and tissue research

authors： Glass H,Emmerich H,Spindler KD

更新日期：1978-11-20 00:00:00

abstract：:The development of the heterophil granulocytes in the bone marrow of the guinea pig is described. During the maturation of these cells, three types of granule are formed, not only the azurophil and specific granules already described in other mammals but also a third type of granule referred to here as the nucleated g...

journal_title：Cell and tissue research

authors： Brederoo P,Daems WT

更新日期：1978-11-20 00:00:00

abstract：:Germ cells of human fetuses aged 7-13 weeks were studied. Dense fibrous material called nuage was found in the cytoplasm of human fetal germ cells. The nuage increased in frequency in the germ cells during the interval studied. In oogonia the nuage occurred much more frequently than in spermatogonia and the frequency ...

journal_title：Cell and tissue research

authors： Kellokumpu-Lehtinen PL,Söderström KO

更新日期：1978-11-09 00:00:00

abstract：:The use of antibodies to alpha-(17--39) ACTH, beta-LPH, and alpha- and beta-endorphins has enabled the detection of immunoreactive cells as early as the eight week of fetal life. Immunoreactive cells are located in the anterior and intermediate lobes of the pituitary gland in normal human fetuses. The same cells react...

journal_title：Cell and tissue research

authors： Bégeot M,Dubois MP,Dubois PM

更新日期：1978-10-30 00:00:00

abstract：:The regeneration of the vallate papilla in the rat was studied by both light and electron microscopy. The papillae were excised and regeneration was studied at time intervals of 3 to 45 days. It was found that the vallate papilla is capable of regeneration after both partial and total papillectomies. The regenerated p...

journal_title：Cell and tissue research

authors： Fernández Sánchez B,Rodrigo Angulo M,Cano García J,Rodriguez Echandía EL

更新日期：1978-10-30 00:00:00

abstract：:Polysaccharides in the vacuolar system of an established line of monkey kidney epithelial cells, were investigated by high resolution radioautography following incorporation of 3H-fucose and by the periodic acid-thiosemicarbazide-silver proteinate staining method. Significant amounts of glycogen and glycoproteins were...

journal_title：Cell and tissue research

authors： Knecht E,Hernández J

更新日期：1978-10-30 00:00:00

abstract：:The elaboration and distribution of newly formed proteins in the striated muscle of 21-day-old mice were investigated by quantitative radioautography at intervals between 2 and 240 min after intravenous injection of tritiated leucine. In radioautographs, the localization and the relative label concentration were compa...

journal_title：Cell and tissue research

authors： Dadoune JP,Terquem A,Alfonsi MF

更新日期：1978-10-17 00:00:00

abstract：:Granular hormone-producing cells and agranular cells (stellate cells, including giant and pericavitary cells) were electron microscopically studied in the hypophysis of the small spotted dogfish (Scyllium canicula) up to several months after hatching. Comparisons of results obtained in embryos, newly-hatched fish and ...

journal_title：Cell and tissue research

authors： Alluchon-Gérard MJ

更新日期：1978-10-06 00:00:00

abstract：:An investigation of the stereospecificity of beta-adrenergic insulin release, its relation to alpha-adrenergic blockade and the adrenergic innervation of the pancreatic islets was performed in the mouse. It was observed that in vivo beta-adrenergic stimulation of insulin release by isopropylnoradrenaline was stereospe...

journal_title：Cell and tissue research

authors： Lundquist I,Ericson LE

更新日期：1978-10-06 00:00:00

abstract：:The three segments (S1, S2, S3) of the proximal tubule of the rat kidney were investigated, with special reference to lysosomes, after castration, estradiol application, and at the end of pregnancy. Especially in S1 and S2 castration induces an increase of cellular autophagy. The nuclei become smaller; endoplasmic ret...

journal_title：Cell and tissue research

authors： Schiebler TH,Danner KG

更新日期：1978-09-26 00:00:00

abstract：:Periderm granules in the support cells of regenerating feathers of mature male Jungle Fowls were studied ultrastructurally and histochemically. Histochemical results showed the absence of carbohydrate and lipid, and the presence of protein in the periderm granules. The periderm granules were measured at successive lev...

journal_title：Cell and tissue research

authors： Kuraitis KV,Bowers RR

更新日期：1978-09-05 00:00:00

abstract：:The reactivity of rat lymph node macrophages and reticulum cells has been studied in relation to the course of the immune response. Special attention was paid to the interdigitating cells (IDC) in the paracortex and the dendritic reticulum cells (DRC) in the germinal centre. Different types of macrophage predominate i...

journal_title：Cell and tissue research

authors： Kamperdijk EW,Raaymakers EM,de Leeuw JH,Hoefsmit EC

更新日期：1978-08-25 00:00:00

abstract：:It is believed that differentiation and maintenance of taste buds in vertebrates is dependent on the trophic function of their sensory nerve supply. In the present work, colchicine was injected into the circumvallate papilla of the rat. This produced a reversible blockade of neuroplasmic transport and disappearance of...

journal_title：Cell and tissue research

authors： Rodrigo Angulo ML,Fernández Sánchez B,Rodríguez-Echandía EL

更新日期：1978-08-25 00:00:00

abstract：:Fragments of pituitary tissue obtained from a total of 37 patients with either breast cancer, diabetic retinopathy, galactorrhea, or acromegaly were dissociated into single cell suspensions prior to cell culture. Release of human growth hormone (hGH) and human prolactin (hPRL) into the culture medium was measured by r...

journal_title：Cell and tissue research

authors： Snyder J,Hymer WC,Wilfinger WW

更新日期：1978-08-16 00:00:00

abstract：:Ultrastructural and morphometric investigations were performed on the lung of the European salamander, Salamandra salamandra L. Folds of first and second order are covered with a ciliated epithelium containing goblet cells. The respiratory surface of the lung is lined by a single type of cell which, in amphibians, com...

journal_title：Cell and tissue research

authors： Goniakowska-Witalińska L

更新日期：1978-07-27 00:00:00

abstract：:Parachlorophenylalanine (pCPA), an inhibitor of tryptophan hydroxylase which depletes brain serotonin in higher vertebrates, was injected into freshwater eels. After 4 or 6 injections (200 mg/kg/day) or 10 injections (100 and 140 mg/kg/day), the animals are paler, with a low melanophore index. In the pituitary gland, ...

journal_title：Cell and tissue research

authors： Olivereau M

更新日期：1978-07-13 00:00:00

abstract：:The morphology of the antennal hair-sensilla of Periplaneta americana, their distribution and frequency on the antennal flagellum have been examined by transmission- and scanning-electron microscopy. The types of sensilla were distinguished with respect to physiologically relevant criteria such as wall structure and n...

journal_title：Cell and tissue research

authors： Schaller D

更新日期：1978-07-13 00:00:00

abstract：:The hormone-induced pigment dispersion in primary cultures of xanthophores of goldfish (Carassius auratus L.) has been shown to involve the dispersion of not only carotenoid droplets but also of smooth endoplasmic reticulum. The dispersion of these organelles is inhibited by cytochalasin B and is accompanied by thinni...

journal_title：Cell and tissue research

authors： Obika M,Lo SJ,Tchen TT,Taylor JD

更新日期：1978-07-10 00:00:00

abstract：:Fibres growing from neurons of explanted dorsal root ganglia from 10 day chick embryos were transected and subsequently observed by light and electron microscopy after periods of a few to fifty minutes. Changes immediately proximal and distal to the cut together with alterations further away from the site of injury on...

journal_title：Cell and tissue research

authors： Bird MM

更新日期：1978-07-10 00:00:00