Scanning electron microscopy of the spermatheca in Sitophilus granarius (L.).

abstract：:Annulate lamellae have been found in a primitive neuroectodermal tumor, a metastatic cerebellar tumor, a testicular seminoma, a retinoblastoma and three melanomas. These annulate lamellae are arranged in stacked parallel arrays in the cytoplasm of tumor cells. The number of annulate lamellae observed to comprise a sin...

journal_title：Tissue & cell

authors： Sun CN,White HJ

更新日期：1979-01-01 00:00:00

abstract：:Pelagic amphipods belonging to the genus Phronima have four compound eyes; two lateral eyes and two large transparent medial eyes which comprise the entire top of the head. The eyes are structurally similar but the crystalline cones of the medial eyes are more than twenty times as long as those of the lateral eyes, re...

journal_title：Tissue & cell

authors： Ball EE

更新日期：1977-01-01 00:00:00

abstract：:In Drosophila subobscura the male produces two classes of motile spermatozoa that differ in total length and nucleus length. The significance of this within-ejaculate polymegaly is obscure. We have carried out an ultrastructural and cytochemical analysis of both sperm morphs to understand their possible role at fertil...

journal_title：Tissue & cell

authors： Pasini ME,Redi CA,Caviglia O,Perotti ME

更新日期：1996-04-01 00:00:00

abstract：:In this study we followed the behavior of germ cell precursors in the early embryo of the dipteran Ceratitis capitata using conventional fluorescence, laser scanning confocal and transmissiom electron microscopies. During cellularization the pole cells formed a cluster which lodged in a roundish break in the blastoder...

journal_title：Tissue & cell

authors： Riparbelli MG,Callaini G,Dallai R

更新日期：1996-02-01 00:00:00

abstract：:Three different metal salts, silver nitrate, uranyl acetate and lead citrate, are mixed with a collagen gel to produce 3 metal/collagen sponges. These sponges were implanted subcutaneously in the rat and samples harvested after 5 days of implantation. TEM observation shows that sponges are degraded and digested by mac...

journal_title：Tissue & cell

authors： Anselme K,Julliard K,Blaineau S

更新日期：1990-01-01 00:00:00

abstract：:The present study reports on the ultrastructure features of spermatozoa and spermatogenesis of several species of Dysderidae (Dysdera crocata, Dysdera erythrina, Dysdera ninnii, Harpactea arguta, Harpactea piligera, Dasumia taeniifera). Dysderid spiders are known to possess a peculiar sperm transfer form known as syns...

journal_title：Tissue & cell

authors： Michalik P,Dallai R,Giusti F,Alberti G

更新日期：2004-12-01 00:00:00

abstract：:The gills of Penaeus aztecus were examined by light and electron microscopy. They are dendrobranchiate, consisting of a central axis with biserially arranged branches that subdivide into bifurcating filaments. A septum divides the lumina of these structures into afferent and efferent channels. Hemolymph from the stern...

journal_title：Tissue & cell

authors： Foster CA,Howse HD

更新日期：1978-01-01 00:00:00

abstract：:The electron microscopical changes in the glial lacunar network that surrounds the large neurons of meso- and metacerebrum of land snail cerebral ganglia were considered, in order to get an insight into the functional role of this peculiar structure in invertebrates. Compared with snails during the active period, in t...

journal_title：Tissue & cell

authors： Fenoglio C,Scherini E,Necchi D,Soldani C,Bernocchi G

更新日期：1997-10-01 00:00:00

abstract：:Megalocytivirus infection is a major threat in rock bream aquaculture in Korea. To produce a highly concentrated megalocytivirus, primary cells, established cell line and persistently infected cell line were used in this study. Megalocytivirus was inoculated in primary fin cell cultures of red sea bream (Pagrus major)...

journal_title：Tissue & cell

authors： Kwon WJ,Yoon MJ,Jin JW,Kim KI,Kim YC,Hong S,Jeong JB,Jeong HD

更新日期：2020-10-01 00:00:00

abstract：:The normal cobblestone monolayer architecture of cultured vascular endothelium becomes rapidly disorganized after contact of the cell layer with a fibrin clot. The cells of a confluent endothelial monolayer separate into individual migratory cells in 4--6 hr after contact with fibrin. The effect is reversible in that ...

journal_title：Tissue & cell

authors： Kadish JL,Butterfield CE,Folkman J

更新日期：1979-01-01 00:00:00

abstract：:The ova of Sicyonia ingentis lack cortical vesicles at the time of spawning. Within 30 min post-spawning, two populations of cortical vesicles are organized in the ooplasm which, during cortical vesicle exocytosis (cortical reaction), successively release two morphologically different exudates. The first type of corti...

journal_title：Tissue & cell

authors： Pillai MC,Clark WH Jr

更新日期：1988-01-01 00:00:00

abstract：:The expression and localization of gap junctional proteins connexin (Cx) 26, 32, and 43 was examined in human dental pulp. Dental pulp tissues were obtained from human third molars immediately after extraction. Some pulp tissues were used for cell culture, and the rest for histological observations. Immunostaining for...

journal_title：Tissue & cell

authors： Ibuki N,Yamaoka Y,Sawa Y,Kawasaki T,Yoshida S

更新日期：2002-06-01 00:00:00

abstract：:A brief description is given of the behavioural changes in Drosophila melanogaster at the time of eclosion and wing expansion. The developmental changes in the wing during this period are classified into four stages (0-III). Details of changes in the morphology of both the cuticle and the wing epidermal cells are give...

journal_title：Tissue & cell

authors： Johnson SA,Milner MJ

更新日期：1987-01-01 00:00:00

abstract：:Reptilian epidermis contains two types of keratin, soft (alpha) and hard (beta). The biosynthesis and molecular weight of beta-keratin during differentiation of lizard epidermis have been studied by autoradiography, immunocytochemistry and immunoblotting. Tritiated proline is mainly incorporated into differentiating a...

journal_title：Tissue & cell

authors： Alibardi L,Spisni E,Frassanito AG,Toni M

更新日期：2004-10-01 00:00:00

abstract：:The organization and ultrastructure of the accessory glands of the cattle tick, Boophilus microplus, are described. The glands consist of two groups of acinar cells situated on either side of Gene's organ. A single acinus consists of from eight to 12 cells and each cell is connected via an individual duct to pores on ...

journal_title：Tissue & cell

authors： Booth TF,Beadle DJ,Hart RJ

更新日期：1984-01-01 00:00:00

abstract：:Germ cells' proliferation during testicular organogenesis in Wistar rat embryos and neonates [14.5, 18.5, 20.5 days post conception (dpc), birth (day 0), 1, 3, 5, 7 days post partum (dpp)] was evaluated via immunohistochemistry, using the PCNA and Ki-67 nuclear antibodies. Estimation of the reactive/total cell ratio, ...

journal_title：Tissue & cell

authors： Angelopoulou R,Balla M,Lavranos G,Chalikias M,Kitsos C,Baka S,Kittas C

更新日期：2008-02-01 00:00:00

abstract：:The structure of the sclerite and intersegmental cuticle of the opithosoma of the desert scorpion, Hadrurus arizonensis, has been examined by transmission electron microscopy. The sclerite cuticle contains a four-layered epicuticle, a hyaline exocuticle, an inner exocuticle and an endocuticle. The outer part of the hy...

journal_title：Tissue & cell

authors： Filshie BK,Hadley NF

更新日期：1979-01-01 00:00:00

abstract：:Changes in the fine structural organization of the pars intermedia related to the onset of secretory activity within the gland have been studied. It is shown that during the first seven days, following the onset of secretory activity, there is an extensive membraneogenesis within the cytoplasm of the parenchymatous ce...

journal_title：Tissue & cell

authors： Hopkins CR

更新日期：1970-01-01 00:00:00

abstract：:Due to the recent importance assumed by the apoptotic process as a tool in the therapeutic protocols, we investigated the onset and rate of drug-induced apoptosis in a cell model of prostatic tumor: the DU-145 cells. The human prostatic cancer cells, DU-145, have been treated with pro-apoptotic substances like puromyc...

journal_title：Tissue & cell

authors： Dini L

更新日期：2005-10-01 00:00:00

abstract：:A novel type of pore canal is described from the cuticle of three species of Gammarus. Each canal passes from the epidermis vertically through the endocuticle and exocuticle, and in the most distal layers of the latter is slightly expanded. Before entering the epicuticle the canal narrows, forming a neck the base of w...

journal_title：Tissue & cell

authors： Halcrow K

更新日期：1978-01-01 00:00:00

abstract：:The compound eye of the opaque-eye mutant of Drosophila melanogaster was investigated by means of electron microscopy to determine the morphological and physical properties of ommatidial elements. These elements in the mutant were found to differ from those of the wild-type flies in the following ways: (1) The cuticul...

journal_title：Tissue & cell

authors： Youssef NN,Gardner EJ

更新日期：1975-01-01 00:00:00

abstract：:Lipid bodies (LB), lipid-rich inclusions abundantly present in cells engaged in inflammation, are specialized intracellular domains involved in generating inflammatory mediators, the eicosanoids. Since the acute Trypanosoma cruzi infection triggers a potent inflammatory reaction characterized by a great increase of pe...

journal_title：Tissue & cell

authors： Melo RC,D'Avila H,Fabrino DL,Almeida PE,Bozza PT

更新日期：2003-02-01 00:00:00

abstract：:Fluorescent staining of Rhodnius prolixus ovarioles with rhodaminylphalloidin revealed an elaborate interconnecting meshwork of F-actin encasing the microtubule rich core. The thick actin struts have branches extending partially into the nurse cell lobes extending from the syncytical core. Basally the network ends at ...

journal_title：Tissue & cell

authors： Huebner E,Gutzeit H

更新日期：1986-01-01 00:00:00

abstract：:Autologous fibrin has been widely used in surgical procedures for both soft and hard tissue repair. There are different protocols and devices to obtain this matrix, with varying centrifugal time, gravity force, speed, angle of the sample tube and spinning radius. The aim of this study was to compare three methods of o...

journal_title：Tissue & cell

authors： Nogueira LS,Martinez EF,Peruzzo DC,Joly JC,Napimoga MH

更新日期：2020-12-01 00:00:00

abstract：:The typical outer coat (the yellow cuticle) disclosed in the Locusta migratoria migratorioldes egg appears to be a usual formation in Acrididae; its physiological significance is discussed. There is a diversification of the epicuticle in the anterior egg pole, very likely related to a diversified water permeability of...

journal_title：Tissue & cell

authors： Rinterknecht E

更新日期：1993-08-01 00:00:00

abstract：:We studied the morphology of rabbit psoas muscle fixed at increasing intervals of time in a chemical skinning solution (Wood et al., 1975), or after skinning and storage for times up to 1 week. The storage solution, in which the chemically skinned muscled fibers were kept at -20 degrees C, had the same ionic compositi...

journal_title：Tissue & cell

authors： Eastwood AB,Wood DS,Bock KL,Sorenson MM

更新日期：1979-01-01 00:00:00

abstract：:Parathyroid hormone/parathyroid hormone-related protein receptor (PPR) signaling is known to be involved in tooth development. In bone, extracellular matrix protein osteopontin (OPN) is a negative regulator of PPR signaling in bone formation. However, the role of OPN in modulation of PPR action in tooth development is...

journal_title：Tissue & cell

authors： Morishita M,Ono N,Miyai K,Nakagawa T,Hanyu R,Nagao M,Kamolratanakul P,Notomi T,Rittling SR,Denhardt DT,Kronenberg HM,Ezura Y,Hayata T,Nakamoto T,Noda M

更新日期：2011-06-01 00:00:00

abstract：:This report describes the initiation, cloning and establishment of long-term serial cultures of rat heart-derived vascular endothelial (EC) and smooth muscle cells (SMC). Populations of these cells derived from both the macro-and microcirculation were obtained utilizing isolated heart perfusion technique. Elimination ...

journal_title：Tissue & cell

authors： Diglio CA,Grammas P,Giacomelli F,Wiener J

更新日期：1988-01-01 00:00:00

abstract：:Lithium Chloride (LiCl) has been used as a canonical Wnt pathway activator due to its ability to inhibit a glycogen synthase kinase-3. The aim of the present study was to investigate the effect of LiCl on cell proliferation and osteogenic differentiation in stem cells isolated from human exfoliated deciduous teeth (SH...

journal_title：Tissue & cell

authors： Rattanawarawipa P,Pavasant P,Osathanon T,Sukarawan W

更新日期：2016-10-01 00:00:00

abstract：:The dynamics of human and animal adipogenesis has been defined using several traditional cell systems including stromal vascular cells and adipocyte-related cell lines. But a relatively new cell system using progeny cells stemming from the dedifferentiation of purified cultures of mature adipocytes may be used for stu...

journal_title：Tissue & cell

authors： Wei S,Duarte MS,Du M,Paulino PV,Jiang Z,Albrecht E,Fernyhough-Culver M,Zan L,Hausman GJ,Dodson MV

更新日期：2012-12-01 00:00:00