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：:The grey level index (= GLI) and the fresh voluem were determined with the image analyser Micro-Videomat for the nucl. n. facialis after axotomy of the left n. facialis. The experiments were performed on 10 rats in different stages of ontogenesis. The GLI is a quantitative parameter which could be quickly obtained and...

journal_title：Cell and tissue research

authors： Zilles K,Schleicher A,Kretschmann HJ

更新日期：1978-07-05 00:00:00

abstract：:Stereological studies showed that treatment of normal adult human adrenocortical cells in primary culture with ACTH or cyclic-AMP for 2 days results in similar increases in the volume of cells, of the mitochondrial and "membrane space" compartments and of the surface area of the smooth endoplasmic reticulum and mitoch...

journal_title：Cell and tissue research

authors： Armato U,Nussdorfer GG,Neri G,Draghi E,Andreis PG,Mazzocchi G,Mantero F

更新日期：1978-07-05 00:00:00

abstract：:The immunological identity of a uteroglobin-like protein, occurring in respiratory tract secretions and tissue, with uteroglobin from rabbit endometrial secretion is demonstrated. A uteroglobin-like antigen has been localized in bronchial epithelial cells and in bronchioles by immunofluorescence. This secretory protei...

journal_title：Cell and tissue research

authors： Beier HM,Kirchner C,Mootz U

更新日期：1978-06-26 00:00:00

abstract：:The responses of non-neuronal cells to the degeneration of neuroblasts were studied in the spinal ganglia of the chick embryo. Reactive changes of the non-neuronal cells were not apparent during the early stage of degeneration of the neuroblast, but during the later stages of degeneration evidence was found suggesting...

journal_title：Cell and tissue research

authors： Pannese E

更新日期：1978-06-26 00:00:00

abstract：:The alimentary system of Habrotrocha rosa is composed of the alimentary channel, five digestive glands and another gland which is in close relation to the intestinal syncytium. After the present investigation, the alimentary channel can be divided into sections which clearly differ from each other, these are: oral cav...

journal_title：Cell and tissue research

authors： Schramm U

更新日期：1978-06-08 00:00:00

abstract：:(1) The basiconic sensilla on the antennae of Calliphora resemble other insect epidermal sensilla; one or several bipolar sense cells are surrounded by three non-neural cells. (2) The apical cell membrane of the tormogen cell (one of the three accessory cells) forms microvilli coated internally with particles. (3) In ...

journal_title：Cell and tissue research

authors： Gnatzy W,Weber KM

更新日期：1978-06-08 00:00:00

abstract：:Generally, the CRF-like activity of vasopressin is studied in experiments involving adrenalectomy and corticosteroid replacement. In order to avoid this complex type of stress, male and female (diestrus, estrus) rats were exposed to 5 min to immobilization stress and sacrificed 5, 15, and 30 min thereafter. After a su...

journal_title：Cell and tissue research

authors： Krisch B

更新日期：1978-05-29 00:00:00

abstract：:Pimozide, a specific blocker of dopaminergic receptors, was injected for 4 or 9 days in freshwater (FW) eels or eels acclimated to sea water (SW) for 10 or 30 days. The daily dose was 100 or 200 microgram/100 g. Melanophore index values increase in FW and in 1 month-SW injected eels. All the treated fish react by a to...

journal_title：Cell and tissue research

authors： Olivereau M

更新日期：1978-05-29 00:00:00

abstract：:The pituitary gland is first evident in rainbow trout two weeks before hatching. Differentiation of prolactin and ACTH cells is not marked until 3-4 days after hatching when the follicular arrangement of the prolactin cells become apparent. There is no difference in the time of development of either prolactin or ACTH ...

journal_title：Cell and tissue research

authors： Shen AC,Leatherland JF

更新日期：1978-05-29 00:00:00

abstract：:The prolactin-producing cells are the first hormone-producing cells of the pars distalis to be differentiated within Ambystoma gracile. They first appear when the larvae attain a length of approximately 3.0 cm snout to vent length (SVL). Thyrotropes are observed as the next chromophilic cells to appear, and they occur...

journal_title：Cell and tissue research

authors： Eagleson GW,McKeown BA

更新日期：1978-05-18 00:00:00

abstract：:Cortisone-treated Buffalo rats have been parabiosed with untreated controls of the same age. The optical and electron microscopy, including histochemistry, of costal cartilage of these rats has been compared with that in single cortisone treated rats, single controls, and control parabiosed with control rats, at 14 an...

journal_title：Cell and tissue research

authors： Dearden LC,Mosier HD Jr,Espinosa T

更新日期：1978-05-18 00:00:00

abstract：:The central fat body of the ovoviviparous cockroach Nauphoeta cinerea was studied during the first reproductive cycle of the female by means of light microscopy, autoradiography and electron microscopy. Comparative studies in larval stages were also undertaken. The fat body of Nauphoeta contains a large amount of lipi...

journal_title：Cell and tissue research

authors： Wüest J

更新日期：1978-04-28 00:00:00

abstract：:The ultrastructure of crystalline beta granules of the islets of Langerhans in the alligator has been investigated. From optical diffraction analysis and serial sectioning, the existence of four distinct types of crystalline inclusions was established in ultrathin sections. The first type is the most frequent and is i...

journal_title：Cell and tissue research

authors： Raska I,Komrska J,Titlbach M,Rieder M

更新日期：1978-03-13 00:00:00

abstract：:The ultrastructure of the dermal papulae of a starfish (Asterias rubens) is consistent with a respiratory function. The present study has shown no regions specialized for excretory mechanisms. The papulae consist of an outer ectodermal epithelium of sensory, support and gland cells and a small basiepithelial nerve ple...

journal_title：Cell and tissue research

authors： Cobb JL

更新日期：1978-03-13 00:00:00

abstract：:Three sites of somatostatin-synthesizing perikarya, or a related antigen, were determined by immunofluorescence in the hypothalamus of the tadpole, Alytes obstetricans (Amphibia, Anura). Two sites of neurosecretory perikarya were localized in the preoptic nuclei of the anterior hypothalamus; the axons extended either ...

journal_title：Cell and tissue research

authors： Rémy C,Dubois MP

更新日期：1978-02-24 00:00:00

abstract：:Membrane-coating granules of the epithelium of the hamster cheek pouch displayed a lamellated internal structure consisting of alternating thick and thin electron dense bands separated by translucent bands of equal width. The repeat distance of the contents was 8.5 nm +/- sd. 0.7 nm and the thickness of the major elec...

journal_title：Cell and tissue research

authors： Hayward AF

更新日期：1978-02-24 00:00:00

abstract：:Effects of prolactin on the secretion of milk proteins have been investigated by incubating mammary tissue fragments from lactating rabbits. Within 15 min of adding the hormone to the incubation medium, cell morphology is modified: the relative volume occupied by the Golgi region is greatly increased. When prolactin i...

journal_title：Cell and tissue research

authors： Ollivier-Bousquet M

更新日期：1978-02-14 00:00:00

abstract：:Intercellular bridges have been detected in ovarian follicle cells of Drosophila melanogaster. These bridges occur widely between follicle cells of previtellogenic chambers, while, in vitellogenic chambers, they become restricted to the columnar follicle cells. Usually, only one bridge is detectable between adjacent f...

journal_title：Cell and tissue research

authors： Giorgi F

更新日期：1978-01-31 00:00:00

abstract：:The fine structure of synapses, their distribution and arrangement in the ventral nerve cord of Peripatoides leuckarti (phylum Onychophora) is described. The asymmetric synaptic junctions show a well developed synaptic cleft (300 A) and pre- and subsynaptic electron dense apposition. They frequently show an array of p...

journal_title：Cell and tissue research

authors： Schürmann FW

更新日期：1978-01-31 00:00:00

abstract：:In Streetsia challengeri left and right eyes have fused and become a single cylindrical photoreceptor, which occupies the basal half of a forward directed head projection. This unusual compound eye consists of approximately 2500 ommatidia, which are arranged in such a way that the animal has almost circumferential vis...

journal_title：Cell and tissue research

authors： Meyer-Rochow VB

更新日期：1978-01-17 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 juxtaglomerular apparatus (JGA) in the rabbit kidney was examined by transmission electron microscopy and by freeze fracturing. It was found, that the Goormaghtigh cells of the JGA are extensively coupled with the mesangial cells within the glomerular tuft by gap junctions. A broad band of gap junctions starting w...

journal_title：Cell and tissue research

authors： Taugner R,Schiller A,Kaissling B,Kriz W

更新日期：1978-01-17 00:00:00

abstract：:The pattern of innervation on individual iliotibialis muscle fibres from axolotl (Ambystoma mexicanum) has been investigated histologically and electrophysiologically. These polyneural fibres were found to be innervated on average at five end plate sites. The sites were distributed irregularly along each fibre. Averag...

journal_title：Cell and tissue research

authors： Slack JR,Docherty JR

更新日期：1978-01-09 00:00:00

abstract：:The livers of Xenopus laevis, grouped by chronological age (0.5, 2 and 3 yrs), were studied electron microscopically. Ultrastructurally most of the melanin granules in the mature female liver showed an internal structure similar to the melanin granules of the oocytes. The hepatic melanin granules of immature females a...

journal_title：Cell and tissue research

authors： Noda K,Nomaguchi T,Tanaka Y

更新日期：1977-12-19 00:00:00

abstract：:The muscle cells of the ventricle, the branchial heart and the branchial heart appendages of Rossia macrosoma (Delle Chiaje) are studied. The ventricle myocardium has three muscle layers, while the other two organs exhibited a loose arrangement of muscle cells. The muscle cells of the ventricle, the branchial heart an...

journal_title：Cell and tissue research

authors： Jensen H,Tjonneland A

更新日期：1977-12-13 00:00:00

abstract：:Rat blood monocytes contain granules of two types, primary and secondary granules, which can be distinguished on morphological grounds. Secondary granules have a halo between the limiting membrane and the matrix; primary granules have no halo and are generally more elongate than the secondary granules. In addition, th...

journal_title：Cell and tissue research

authors： van der Rhee HJ,de Winter CP,Daems WT

更新日期：1977-11-30 00:00:00

abstract：:The localization of (Na+-K+) ATPase in the intact electrocyte of the electric organ of Electrophorus electricus (L.) and its subcellular fractions was investigated by biochemical and cytochemical methods. The distribution of AChE activity in the subcellular fractions was also comparatively analysed with this enzyme se...

journal_title：Cell and tissue research

authors： Somló C,de Souza W,Machado RD,Hassón-Voloch A

更新日期：1977-11-30 00:00:00

abstract：:The neurotensin-cell is identified immunohistochemically and ultrastructurally by differential counting of endocrine cells in the gut of a primate (Tupaia belangeri). Utilizing light microscopy, the EC-cells are identified by the Masson-Fontana silver stain; with the same method the neurotensin cells are not stained. ...

journal_title：Cell and tissue research

authors： Helmstaedter V,Feurle GE,Forssmann WG

更新日期：1977-11-23 00:00:00

abstract：:The haemomonochorial placenta of the guinea-pig undergoes several quantitative changes between the 49th and 64th days of gestation, all of which are in such a direction as to increase the efficiency of transplacental transport. The fetal vessels become larger, the maternal vessels increase in surface area by prolifera...

journal_title：Cell and tissue research

authors： Firth JA,Farr A

更新日期：1977-11-23 00:00:00

abstract：:The olfactory sensilla on the maxillary palp tip of Locusta migratoria (L.) resemble the surrounding contact chemoreceptors in general morphology. The perforated peg has a thicker wall than is commonly found in olfactory sensilla. The form and position of the sensilla are considered in relation of the olfactory functi...

journal_title：Cell and tissue research

authors： Blaney WM

更新日期：1977-11-07 00:00:00

abstract：:The glandular lobe of the corpus cardiacum (CC) of Locusta migratoria contains secretory cells and axon terminals. It is generally accepted that the glandular cells produce an adipokinetic hormone which stimulates the release of diglycerides from the fat body. The axon terminals are supposed to be involved in the regu...

journal_title：Cell and tissue research

authors： Rademakers LH

更新日期：1977-10-26 00:00:00

abstract：:Freeze-fracture replicas of the rat corpus callosum revealed prominent junctional strands in fractured cell membranes of the somata of oligodendrocytes. The junctional strands were characterized by an elaborate system of straight or slightly undulating rows of linear aggregates of particles or ridges in the P face and...

journal_title：Cell and tissue research

authors： Tani E,Itagaki T,Nakano M

更新日期：1977-10-21 00:00:00

abstract：:The surface coat of the electrocyte of the main electric organ of Electrophorus electricus was studied using cytochemical methods (periodic acid-silver methanamine, periodic acid-chromic acid-silver methenamine, periodic acid-thiosemicarbazide-silver proteinate, Concanavalin A - horseradish peroxidase, ruthenium red, ...

journal_title：Cell and tissue research

authors： Benchimol M,de Souza W,Machado RD

更新日期：1977-09-26 00:00:00

abstract：:The phase of primitive erythropoiesis in the feline yolk sac lasts from the 14th to the 20th day after malting. The globular nucleated primitive erythroblasts are formed extravascularly to some extent, but they can be clearly distinguished from the endoderm. They do not undergo a denucleation and are still present in ...

journal_title：Cell and tissue research

authors： Tiedemann K

更新日期：1977-09-14 00:00:00

abstract：:The electron-dense tracers ferritin, and iron-dextran, and the protein horseradish peroxidase, have been used to investigate the ultrastructural basis of permeability in the upper and lower segments of the Malpighian tubules of Glomeris marginata. All these materials were able to cross the basal lamina and enter the t...

journal_title：Cell and tissue research

authors： Johnson IT,Riegel JA

更新日期：1977-09-05 00:00:00

abstract：:In the intestine of the filtering zooids of B. schlosseri three segments can be distinguished. In the intermediate segment the epithelium, which is encrusted by the ampullae of the pyloric gland, shows marked aspects of alteration. In the proximal and distal segments, ciliated mucous, vacuolated and endocrine-like cel...

journal_title：Cell and tissue research

authors： Burighel P,Milanesi C

更新日期：1977-08-26 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：:Myosin and actin were localized by indirect immunofluorescence microscopy using specific antibodies prepared in rabbits against highly purified gizzard myosin and actin. A strong fluorescence staining with both antibodies was observed in rat corneal epithelial cells, anterior lens epithelial cells, rod inner segments,...

journal_title：Cell and tissue research

authors： Drenckhahn D,Gröschel-Stewart U

更新日期：1977-07-19 00:00:00

abstract：:The effect of copulation on the rat coagulating gland (anterior prostate) was studied. At 4 to 6 h after the beginning of copulation the coagulating glands of rats that had produced copulatory plugs were nearly empty of secretion. Ultrastructurally, the coagulating gland has large cisternae of rough endoplasmic reticu...

journal_title：Cell and tissue research

authors： Hawkins WE,Geuze JJ

更新日期：1977-07-19 00:00:00