Fine structure of the rhombencephalic tela of the bullfrog, Rana catesbeiana.

abstract：:Sacciform cells containing an acidophilic, proteinaceous secretion, were identified in the epidermis of the brown trout and Arctic char. This cell type increased in number during the chronic stages of infestation by the ectoparasitic flagellate, Ichthyobodo sp., in immature brown trout, and decreased during sexual mat...

journal_title：Cell and tissue research

authors： Pickering AD,Fletcher JM

更新日期：1987-02-01 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：:The distribution of somatostatin and cocaine and amphetamine-regulated transcript (CART) was investigated in rat intracardiac ganglia. Somatostatin immunoreactivity was only present in nerve terminals, always colocalised with choline acetyltransferase immunoreactivity, surrounding approximately 10% of intracardiac neu...

journal_title：Cell and tissue research

authors： Richardson RJ,Grkovic I,Anderson CR

更新日期：2006-04-01 00:00:00

abstract：:Previous studies have revealed a remarkable capacity of intracerebral grafts of embryonic brain tissue to establish extensive axonal connections with denervated areas in the brains of adult rats. In the present study we have explored the possibilities of using grafts in the spinal cord to substitute for the loss of no...

journal_title：Cell and tissue research

authors： Nornes H,Björklund A,Stenevi U

更新日期：1983-01-01 00:00:00

abstract：:Kisspeptin is a hypothalamic neuropeptide, which acts directly on gonadotropin-releasing hormone (GnRH)-secreting neurons via its cognate receptor (GPR54 or Kiss-R) to stimulate GnRH secretion in mammals. In non-mammalian vertebrates, there are multiple kisspeptins (Kiss1 and Kiss2) and Kiss-R types. Recent gene knock...

journal_title：Cell and tissue research

authors： Ogawa S,Sivalingam M,Anthonysamy R,Parhar IS

更新日期：2020-02-01 00:00:00

abstract：:Communication between individuals is critical for species survival, reproduction, and expansion. Most terrestrial species, with the exception of humans who predominantly use vision and phonation to create their social network, rely on the detection and decoding of olfactory signals, which are widely known as pheromone...

journal_title：Cell and tissue research

authors： Tirindelli R

更新日期：2021-01-12 00:00:00

abstract：:The innervation pattern of distal muscle fibers of the opener muscle of walking legs of crayfish (Astacus leptodactylus) was investigated using methylene-blue staining, cobalt infiltration, and electron microscopy. A quantitative analysis of the entire innervation of single muscle fibers was attempted. It was found th...

journal_title：Cell and tissue research

authors： Florey E,Cahill MA

更新日期：1982-01-01 00:00:00

abstract：:Fueled by the discovery of head regeneration in triclads (planarians) two and a half centuries ago, flatworms have been the focus of regeneration research. But not all flatworms can regenerate equally well and to obtain a better picture of the characteristics and evolution of regeneration in flatworms other than plana...

journal_title：Cell and tissue research

authors： Schadt T,Prantl V,Grosbusch AL,Bertemes P,Egger B

更新日期：2020-11-07 00:00:00

abstract：:Guanosine triphosphatase (GTPase) activity was studied histo- and cytochemically in the rod outer segments of the rat retina by means of a newly developed method. Differences in the distribution pattern of the enzyme activity exist within the outer segment: the activity is more intense at the tip of the rod outer segm...

journal_title：Cell and tissue research

authors： Ueno S,Bambauer HJ,Umar H,Ueck M

更新日期：1983-01-01 00:00:00

abstract：:The fine structural organization of a cortical filament layer in normal locomoting Amoeba proteus was demonstrated using improved fixation and embedding techniques. Best results were obtained after application of PIPES-buffered glutaraldehyde in connection with substances known to prevent the depolymerization of F-act...

journal_title：Cell and tissue research

authors： Stockem W,Hoffmann HU,Gawlitta W

更新日期：1982-01-01 00:00:00

abstract：:The development of the egg envelope and its incorporation into the larval cuticle of the polychaete Phragmatopoma lapidosa, was studied by correlative scanning and transmission electron microscopy. The mature egg possesses an envelope composed of five zones including an outer granular zone formed by the tips of the eg...

journal_title：Cell and tissue research

authors： Eckelbarger KJ,Chia FS

更新日期：1978-01-17 00:00:00

abstract：:The pigmentary system of the planaria, Dugesia gonocephala s.l. (Platyhelminthes, Turbellaria, Tricladida), consists of granules contained in chromatophore cells distributed in the parenchyma tissue. The administration of MSH release-inhibiting Factor (M.I.F.) leads to an easily observable general decolouration of the...

journal_title：Cell and tissue research

authors： Palladini G,Medolago-Albani L,Margotta V,Conforti A,Carolei A

更新日期：1979-06-27 00:00:00

abstract：:Spermatozoa from the cauda epididymidis of gossypol-treated rats exhibit distinctive departures from the morphology of spermatozoa from control rats: wrinkled and disorganized cell membrane in the head and tail regions, cell membrane missing from segments of the tail midpiece and principal piece regions, malformed hea...

journal_title：Cell and tissue research

authors： Bozek SA,Jensen DR,Tone JN

更新日期：1981-01-01 00:00:00

abstract：:Infection by influenza virus leads to respiratory failure characterized by acute lung injury associated with alveolar edema, necrotizing bronchiolitis, and excessive bleeding. Severe reactions to infection that lead to hospitalizations and/or death are frequently attributed to an exuberant host response, with excessiv...

journal_title：Cell and tissue research

authors： Sanders CJ,Doherty PC,Thomas PG

更新日期：2011-01-01 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：:This study aimed to characterize porcine Achilles tendon (PAT) in terms of its structural components, vascularity, and resident tendon cells. We found that PAT is composed of a paratenon sheath, a core of fascicles, and an endotenon/interfascicular matrix (IFM) that encases the fascicle bundles. We analyzed each of th...

journal_title：Cell and tissue research

authors： Zhang J,Li F,Williamson KM,Tan S,Scott D,Onishi K,Hogan MV,Wang JH

更新日期：2021-01-26 00:00:00

abstract：:The organization of the neuropeptide Y (NPY)-immunoreactive system in the forebrain, pineal organ and retina of a biweekly spawning fish (Fundulus heteroclitus) was investigated. Immunoreactivity was encountered in neurons of the nucleus olfactoretinalis, in the large population of neurons in the floor of the telencep...

journal_title：Cell and tissue research

authors： Subhedar N,Cerdá J,Wallace RA

更新日期：1996-02-01 00:00:00

abstract：:The extracellular matrix is involved in various morphogenetic processes which are accompanied by changes in its physicochemical properties and spatial organization. In the adult brain it contributes to cellular communication and the regulation of neuronal activity. The present study deals with the postnatal appearance...

journal_title：Cell and tissue research

authors： Köppe G,Brückner G,Brauer K,Härtig W,Bigl V

更新日期：1997-04-01 00:00:00

abstract：:This study documents neuronal differentiation in vitro from undifferentiated precursor cells of caudalmost regenerating spinal cord of the teleost Apteronotus albifrons. At 11 days in vitro, cells from the caudalmost tip of the regenerating cord are flat and polygonal in shape, lack neuronal processes and do not stain...

journal_title：Cell and tissue research

authors： Anderson MJ,Rossetto DL,Lorenz LA

更新日期：1994-11-01 00:00:00

abstract：:An electron microscopical investigation of the pineal gland of the adult noctule bat revealed the presence of some peculiar ciliary derivatives, similar to the club-shaped outer segment of rudimentary photoreceptor cells in the pineal organ of nonmammalian vertebrates. The pinealocytes of population I can be classifie...

journal_title：Cell and tissue research

authors： Pevet P,Ariëns Kappers J,Voûte AM

更新日期：1977-07-26 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 surface of carp oral mucosa is characterized by various patterns of microridges about 0.3 micron wide, 0.1 micron high, and of various lengths. To elucidate the derivation and function of these microridges, the oral epithelium was examined by light- and electron microscopy. Microridges were present only on the sur...

journal_title：Cell and tissue research

authors： Uehara K,Miyoshi M,Miyoshi S

更新日期：1988-03-01 00:00:00

abstract：:Four different types of spermatogonia were identified in the seminiferous tubules of the Japanese quail: a dark type A (Ad), 2 pale A types (Ap1 and Ap2), and a type B. A model is proposed describing the process of spermatogonial development in the quail. The Ad spermatogonia are considered to be the stem cells. Each ...

journal_title：Cell and tissue research

authors： Lin M,Jones RC

更新日期：1992-03-01 00:00:00

abstract：:Chronological changes in renal glomerular morphology and plasma renin activity were investigated during active and hibernating periods in the golden-mantled ground squirrel Spermophilus lateralis. The objective of this study was to determine whether the glomerular endothelium, visceral epithelium (podocytes), basement...

journal_title：Cell and tissue research

authors： Anderson DG,Lopez GA,Bewernick D,Brazal S,Ponder J,Russom JM

更新日期：1990-10-01 00:00:00

abstract：:Electron-microscopic studies of lymphoid tissues from bovine fetuses and from calves disclosed a non-lymphoid cell type in the thymus-dependent zones of secondary lymphoid tissues and in the thymus that is distinguishable from reticulum cells, epithelial and endothelial cells, and macrophages. Based on morphological a...

journal_title：Cell and tissue research

authors： Bielefeldt Ohmann H,Basse A

更新日期：1984-01-01 00:00:00

abstract：:The gene encoding H1t, a testicular variant of histone H1, is expressed in mammals during spermatogenesis. Northern blot and in situ hybridization has detected H1t mRNA only at the stage of pachytene spermatocytes. We have extended this analysis to more sensitive approaches and demonstrate, by RNase protection and ele...

journal_title：Cell and tissue research

authors： Drabent B,Bode C,Miosge N,Herken R,Doenecke D

更新日期：1998-01-01 00:00:00

abstract：:It has long been disputed whether mammalian enterochromaffin (EC-) cells contain a peptide in addition to serotonin. Previous immunohistochemical studies have provided evidence for the presence of enkephalins in EC-cells. These findings, however, are equivocal. Therefore, the problem of opioid peptides in EC-cells has...

journal_title：Cell and tissue research

authors： Cetin Y

更新日期：1988-07-01 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：:Calcitonin gene-related peptide (CGRP) was found extensively in the small intestine of both non-mammalian and mammalian vertebrates using radioimmunoassay and immunocytochemistry. By radioimmunoassay, the levels of CGRP in rats, mice, chickens, bullfrogs and rainbow trout were found to range from 91.5 to 419.1 ng/g ti...

journal_title：Cell and tissue research

authors： Ohtani R,Kaneko T,Kline LW,Labedz T,Tang Y,Pang PK

更新日期：1989-10-01 00:00:00

abstract：:In the compound eye of Notonecta glauca, the backswimmer, there is a small ventral region in which the rhabdoms differ in structure from those in the other parts of the eye. Here, among other unusual features, there is a special orientation of the microvilli of the central rhabdomeres, i.e., in most of the median eye ...

journal_title：Cell and tissue research

authors： Schwind R

更新日期：1983-01-01 00:00:00