Feeding-induced changes of melanin-concentrating hormone (MCH)-like immunoreactivity in goldfish brain.

abstract：:The development of the heterophil granulocyte in the bone marrow of the rat is described, and an electron-microscopical analysis of the changes in the cytoplasm as well as in the granule population in several stages of maturation is reported. Three types of granule originate in consecutive stages of heterophil maturat...

journal_title：Cell and tissue research

authors： Brederoo P,van der Meulen J

更新日期：1983-01-01 00:00:00

abstract：:1. Early oocytes of Platynereis dumerilii are found in clusters floating in the coelom. The oocytes of a cluster form a syncytium which is enveloped by several sheath cells. 2. At stage 2, only a single sheath cell per cluster remains, and it penetrates the group of rounded oocytes, enveloping each one of them. At sta...

journal_title：Cell and tissue research

authors： Fischer A

更新日期：1975-07-16 00:00:00

abstract：:In the fish retina, connexon densities of gap junctions in the outer horizontal cells are modulated in response to different light or dark adaptation times and wavelengths. We have examined whether the connexon density is a suitable parameter of gap junction coupling under in situ conditions. Short-term light adaptati...

journal_title：Cell and tissue research

authors： Kurz-Isler G,Voigt T,Wolburg H

更新日期：1992-05-01 00:00:00

abstract：:The fine structure of spermatids has been examined in Calliactis, Protanthea, Gonactinia and Parazoanthus (Cnidaria, Anthozoa). The sperm cells are relatively simple and lack distinct acrosomes. Their nuclei, spherical in the zoanthid, in the actinians are slendertipped cones. Condensation of the chromatin is interpre...

journal_title：Cell and tissue research

authors： Lyke EB,Robson EA

更新日期：1975-01-01 00:00:00

abstract：:The monoamines octopamine and tyramine, which are the invertebrate counterparts of epinephrine and norepinephrine, transmit their action through sets of G protein-coupled receptors. Four different octopamine receptors (Oamb, Octß1R, Octß2R, Octß3R) and 3 different tyramine receptors (TyrR, TyrRII, TyrRIII) are present...

journal_title：Cell and tissue research

authors： El-Kholy S,Stephano F,Li Y,Bhandari A,Fink C,Roeder T

更新日期：2015-09-01 00:00:00

abstract：:Autophagy (cellular self-consumption) is an adaptive stress response and an important aspect of adaption to mechanical loading. If mechanical forces are associated with autophagy regulation in periodontal ligament (PDL) fibroblasts is still unknown. The aim of this study was to analyze the influence of force magnitude...

journal_title：Cell and tissue research

authors： Memmert S,Damanaki A,Weykopf B,Rath-Deschner B,Nokhbehsaim M,Götz W,Gölz L,Till A,Deschner J,Jäger A

更新日期：2019-12-01 00:00:00

abstract：:The ultrastructure and distribution of adherens junctions in the intact adult lens of human, chicken, dove, rat, and rainbow trout were studied with thin-section electron microscopy, using an improved fixation containing a mixture of glutaraldehyde, lysine, and tannic acid. The nature of adherens junctions in the fibe...

journal_title：Cell and tissue research

authors： Lo WK

更新日期：1988-10-01 00:00:00

abstract：:1,25-Dihydroxyvitamin D3 and 24,25-dihydroxyvitamin D3 have antagonistic effects on the acellular bone of the tilapia Sarotherodon mossambicus. 1,25-Dihydroxyvitamin D3 inhibits the activity of the lining osteoblasts. Prolonged administration leads to demineralization of the bone matrix. Injection of 24,25-dihydroxyvi...

journal_title：Cell and tissue research

authors： Wendelaar Bonga SE,Lammers PI,van der Meij JC

更新日期：1983-01-01 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：:In the salmon and trout aminergic cell bodies were found in the nucleus recessus lateralis (NRL) and the nucleus recessus posterioris (NRP), both of which are situated near the third ventricle. Three cell types could be distinguished. Type 1 produces a green and type 2 a yellow fluorescence. The former type probably c...

journal_title：Cell and tissue research

authors： Terlou M,Ekengren B,Hiemstra K

更新日期：1978-07-10 00:00:00

abstract：:Right superior cervical sympathectomy was performed in one-day old rats. This operation had a small but definite effect on the postnatal development of the submandibular gland. The gland on the sympathectomized side weighed less and contained smaller amounts of DNA, RNA and protein than the contralateral intact gland....

journal_title：Cell and tissue research

authors： Srinivasan R,Chang WW

更新日期：1977-05-10 00:00:00

abstract：:The azygos vein of the rat can be divided into three regions: The proximal cardiac region, where the wall is composed of two and sometimes three layers of cardiac muscle and a thin discontinuous layer of smooth muscle cells. Vascular casts of this region demonstrate layers of capillaries closely following the orientat...

journal_title：Cell and tissue research

authors： Cullinan V,Campbell JH,Mosse PR,Campbell GR

更新日期：1986-01-01 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：:Golgi- and fluorescence-histochemical studies in the chicken shown the presence of a sharply delimited group of aminergic neurons beneath the floor of the fourth ventricle at the mesen-metencephalic boundary. According to the observations reported in other avian species a homology can be established between the mammal...

journal_title：Cell and tissue research

authors： Guglielmone R,Panzica GC

更新日期：1982-01-01 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 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：:We have previously shown that mice deficient in the gene for the myelin-associated glycoprotein (MAG) develop normal myelin in the peripheral nerves, but show axon and myelin degeneration at eight months of age, suggesting that MAG is involved in the maintenance of axon-Schwann cell integrity. The search for molecules...

journal_title：Cell and tissue research

authors： Carenini S,Montag D,Cremer H,Schachner M,Martini R

更新日期：1997-01-01 00:00:00

abstract：:In Rana temporaria tadpoles, fluorescent fibres appear in the prospective eminentia mediana, the pars intermedia and the pars distalis at Gosner's stage 25. During prometamorphosis the amount of fluorescent material increases around the developing primary capillary plexus in the eminentia mediana. In the pars intermed...

journal_title：Cell and tissue research

authors： Aronsson S

更新日期：1976-09-01 00:00:00

abstract：:When tissues are processed for electron microscopy by conventional methods, such as glutaraldehyde fixation followed by rapid dehydration in acetone, basement membranes show two main layers: the electron-lucent "lamina lucida". (or rara) and the electron-dense "lamina densa". In an attempt to determine whether this su...

journal_title：Cell and tissue research

authors： Chan FL,Inoue S,Leblond CP

更新日期：1993-07-01 00:00:00

abstract：:Recent studies demonstrated the expression of the insulin receptor (InsR) and its functional interaction with the transient receptor potential vanilloid type 1 receptor (TRPV1) in primary sensory neurons (PSNs). The present study was undertaken to reveal the target-specific expression of the InsR and its co-localizati...

journal_title：Cell and tissue research

authors： Lázár BA,Jancsó G,Nagy I,Horváth V,Sántha P

更新日期：2018-11-01 00:00:00

abstract：:Freeze-etch preparations of mesothelial cells taken from the peritoneum of mouse reveal the presence of vesicles invaginating the apical and the basal cell surfaces. These vesicles are scarcely seen within the cytoplasm. Long tortuous tubular profiles extend for considerable distance within the cytoplasm and are frequ...

journal_title：Cell and tissue research

authors： Baradi AF,Rayns DG

更新日期：1976-10-01 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：: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：:This study aims to illustrate potential transport mechanisms behind the divergent approaches to nitrogen excretion seen in the ureotelic toadfish (Opsanus beta) and the ammoniotelic plainfin midshipman (Porichthys notatus). Specifically, we wish to confirm the expression of a urea transporter (UT), which is found in t...

journal_title：Cell and tissue research

authors： Bucking C,Edwards SL,Tickle P,Smith CP,McDonald MD,Walsh PJ

更新日期：2013-06-01 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：:Dorsal unpaired median (DUM) neurones in the abdominal ganglia of the locust were impaled with microelectrodes and some were injected intracellularly with horseradish peroxidase so that their synapses could be identified in the electron microscope. Simultaneous recordings from DUM neurones in different abdominal gangl...

journal_title：Cell and tissue research

authors： Pflüger HJ,Watson AH

更新日期：1995-05-01 00:00:00

abstract：:The organization of the system of perivascular space around the capillaries in the neurohypophysis was studied in the adult and developing laboratory mouse by the use of histological silver impregnation and electron microscopical techniques. In the median eminence short and long extensions, arising mainly from the sha...

journal_title：Cell and tissue research

authors： Enemar A,Eurenius L

更新日期：1979-06-08 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：: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：:To obtain more information concerning the origin of dendritic reticulum cells, the development of germinal centers in the spleens of rabbits was investigated by conventional light microscopy, enzyme histochemistry, and electron microscopy. Washed sheep erythrocytes were used as antigen. Splenic tissue was examined on ...

journal_title：Cell and tissue research

authors： Heusermann U,Zurborn KH,Schroeder L,Stutte HJ

更新日期：1980-01-01 00:00:00