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 the hibernating animals the extension of glial processes was reduced and the glial processes appeared more regular and stacked around neurons. Moreover, they did not form deep, long interdigitations with neuronal infoldings as during the active period. In particular, data on the ultracytochemical detection of alkaline phosphatase and Ca(2+)/Mg(2+)-ATPase enzyme activities, point to a correlation between the extension of the glial system and its function in the regulation of the extracellular environment. In fact, in hibernating snails, lower reactivity was found on the glial membranes, including those of the trophospongium.
journal_name
Tissue Celljournal_title
Tissue & cellauthors
Fenoglio C,Scherini E,Necchi D,Soldani C,Bernocchi Gdoi
10.1016/s0040-8166(97)80056-0subject
Has Abstractpub_date
1997-10-01 00:00:00pages
561-72issue
5eissn
0040-8166issn
1532-3072pii
S0040-8166(97)80056-0journal_volume
29pub_type
杂志文章相关文献
TISSUE & CELL文献大全abstract::Aromatization of androgens into estrogens in rat testis is catalyzed by the microsomal enzyme cytochrome P450 aromatase. In this work, aromatase cellular site was investigated in prepuberal, peripuberal and postpuberal testis, from 10-, 21- and 60-day-old rats respectively. Paraffin-embedded testis sections were proce...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1054/tice.2001.0186
更新日期:2001-08-01 00:00:00
abstract::Acne is the most common skin disorder and can directly affect the patients' self-esteem. Systemic treatment has been indicated for nodular, cystic or persistent acne rather than another type of treatment, such as a topic one. Isotretinoin is an analogue of vitamin A and by suppressing the sebaceous glands the disease ...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/j.tice.2017.03.003
更新日期:2017-04-01 00:00:00
abstract::In the seminal vesicle of the 'symphyta'Arge pagana the spermatozoa are stored in motile spermatodesm bundles, maintained by an anterior cap of extracellular material. This cap consists of a denser cortex and of an internal matrix, where part of the sperm heads are embedded. The number of spermatozoa per bundle is var...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/j.tice.2007.11.004
更新日期:2008-06-01 00:00:00
abstract::Antiserum to leucokinin I, a neuropeptide originally isolated from the cockroach Leucophaea maderae, was used for immunocytochemical labeling of neurons in the brain and ventral ganglia of the moth Spodoptera litura during postembryonic development. In the ventral ganglia, leucokinin-like immunoreactivity begins to oc...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/s0040-8166(98)80008-6
更新日期:1998-02-01 00:00:00
abstract::The hydrogenosome, an organelle that produces molecular hydrogen and ATP from the oxidation of pyruvate or malate under anaerobic conditions, presents some characteristics common to mitochondria. The hydrogenosome of Tritrichomonas foetus, a cattle parasite, is a spherical organelle that presents a peripheral vesicle ...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/j.tice.2007.09.006
更新日期:2008-02-01 00:00:00
abstract::On dark-adaptation of the 11-day adult eye, the rhabdomers move towards the cuticle. Each c-c-r array (of tandem centrioles and ciliary root) maintains its position relative to the rhabdomere, and the length of the root is apparently unchanged. The close association of the array with the rhabdomere is not established ...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/0040-8166(75)90038-5
更新日期:1975-01-01 00:00:00
abstract::Microstructured surfaces mimicking the endothelial cell (EC) morphology is a new approach to improve the blood compatibility of synthetic vascular grafts. The ECs are capable of changing their shapes depending on different shear conditions. However, the quantitative correlation between EC morphology and shear stress h...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/j.tice.2014.12.005
更新日期:2015-04-01 00:00:00
abstract::The albumen gland of Pomacea paludosa, a prosobranch gastropod, contains two main ducts. The albumen gland duct consists of a single layer of secretory and non-secretory cells. The surface of the non-secretory cells is covered with cilia. Microvilli are associated with the luminal edges of the secretory cells. Globule...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/0040-8166(84)90022-3
更新日期:1984-01-01 00:00:00
abstract::Little is known of the cell biology of Leydig cells during the neonatal activation of the hypothalamic-pituitary-testicular (HPT) axis. The current study examined the effect of blockade of the HPT axis with a GnRH antagonist (antide) on the neonatal population of Leydig cells in the new world primate, the common marmo...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/s0040-8166(98)80084-0
更新日期:1998-12-01 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
pub_type: 杂志文章
doi:10.1016/j.tice.2007.09.004
更新日期:2008-02-01 00:00:00
abstract::There is now strong evidence that the stem cells of many tissues reside in specialized structures termed niches. The stem cell niche functions to house and regulate symmetric and asymmetric mitosis of stem cells in mammalian skin, mouse and human bone marrow, mouse brain, gut, and hair follicle, and Drosophila ovary a...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/s0040-8166(02)00107-6
更新日期:2003-04-01 00:00:00
abstract::There is increasing evidence that type II alveolar cells are capable of synthesizing surface active material like that obtained from the airways. However a number of problems remain to be solved before it can be stated conclusively that type II cells synthesize the surface active material of the terminal airspace. Amo...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/0040-8166(75)90028-2
更新日期:1975-01-01 00:00:00
abstract::The number of epithelial cells comprising larval midgut of the tobacco hornworm moth, Manduca sexta increases 200-fold in development from the first to the fifth instar. We have examined larvae periodically before and during molting to follow epithelial cell proliferation and differentiation. The midgut epithelium in ...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/0040-8166(91)90058-2
更新日期:1991-01-01 00:00:00
abstract::A morphological and ultrastructural study was carried out on the spermatophore and spermatodoses of some species of Orthoptera Tettigoniidae. From the results concerning the spermatophore it emerged that this structure has a morphological and ultrastructural organization represented by a dilated ampulla and a peduncle...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/s0040816602000344
更新日期:2002-10-01 00:00:00
abstract::As already reported, epixenosomes have a complex cell organization although they lack membranous organelles and a nuclear envelope. Different morphological compartments have been evidenced: (1) a space (IM) between the 2 external membranes in which acid phosphatase has been observed; (2) an apical, electrondense zone ...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/s0040-8166(96)80018-8
更新日期:1996-06-01 00:00:00
abstract::In this study we compared the effects of the Toll-like receptor (TLR) ligands lipopolysaccharide (LPS), flagellin, the synthetic bacterial triacylated lipopeptide Pam3-Cys-Ser-Lys4 (Pam3CSK4), Polyinosinic:polycytidylic acid (Poly I:C), and macrophage-activating lipopeptide (MALP-2), which are TLR4, TLR5, TLR1/2, TLR3...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/j.tice.2016.04.002
更新日期:2016-08-01 00:00:00
abstract::The oxidative agent paraquat induced tail abnormalities during Xenopus laevis development. Specimens exposed from blastula to the tadpole stage revealed pear-shaped myocytes and irregular intersomitic boundaries. The histological feature of the axial musculature was evaluated in embryos sampled at significant stages o...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/j.tice.2006.03.002
更新日期:2006-06-01 00:00:00
abstract::A detailed model for hyposmotic fluid formation in Hydra is presented. We propose that enteron fluid formation occurs in two steps: (1) segregation of an isosmotic fluid in large intercellular vacuoles with (2) subsequent reabsorption of solute in the intercellular channels to form the hyposmotic fluid of the enteron....
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/0040-8166(77)90045-3
更新日期:1977-01-01 00:00:00
abstract::Mammary epithelial organoids consisting of groups of lobular-alveolar acini were prepared from mid-pregnant mice and cultured for 24, 48, 96 and 192 hr on attached collagen gels in the presence of combinations of insulin, hydrocortisone and prolactin. The organoids rapidly attached to the gels and with all the combina...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/0040-8166(92)90094-n
更新日期:1992-01-01 00:00:00
abstract::Mammary epithelial cells, obtained from lactating cows, were cultured onto inserts coated with several components of extracellular matrix. The influence of these components upon the maintenance of differentiation has been determinated. Every day, alpha S1-casein secretion was measured by radioimmunoassay (RIA) in apic...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/s0040-8166(97)80076-6
更新日期:1997-02-01 00:00:00
abstract::Spermatozoa and spermiogenesis of the prithine filistatid spider Wandella orana are described. The spider produces coenospermia, i.e. sperm aggregations that include several single sperm cells commonly surrounded by a secretion sheath. One sectioned coenospermium in W. orana contains at least five spermatozoa. During ...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/s0040-8166(03)00054-5
更新日期:2003-10-01 00:00:00
abstract::Alkaline phosphatase activity in the intertubular tissue of the testes of the domestic fowl was examined using an ultracytochemical technique based on the lead capture method. In the interstitial tissue, the Leydig cells, transitional cells and the fibroblasts displayed enzyme activity on their cell membranes. Vacuole...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/0040-8166(90)90015-2
更新日期:1990-01-01 00:00:00
abstract::Lenticles are dome-shaped circles or ovals of cuticle with a dark rim. They occur with a precise segmental arrangement in the larvae and pupae of lycaenid and hesperiid butterflies. In Calpodes ethlius (Lepidoptera, Hesperiidae) each lenticle is secreted by a pair of large polyploid epidermal cells. The dark rim or an...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/0040-8166(84)90048-x
更新日期:1984-01-01 00:00:00
abstract::The general identification of endocrine cells in the stomach of the lizard Podarcis hispanica was carried out by their response to the Grimelius and Masson-Fontana techniques. 11 immunoreactive cell-types, positive for chromogranin-, serotonin-, caerulein/gastrin/ cholecystokinin (CAER/G/CCK)-, glucagon-like-peptide-1...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/0040-8166(92)90041-5
更新日期:1992-01-01 00:00:00
abstract::Membranous vesicles are thought to be the replication site for viral RNA of many plant and animal viruses. A relatively rare site of virus-associated vesiculation is that of the mitochondrial outer membrane. In this study, virus-induced mitochondrial vesicles of the blowfly, Lucilia cuprina, were labelled with ribonuc...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/0040-8166(92)90057-e
更新日期:1992-01-01 00:00:00
abstract::Fine structural features of Mizuhopecten yessoensis in different embryonic and larval developmental stages from oocyte to early veliger have been studied. Spermatozoa have a conical head, consisting of a short acrosome, nucleus, and 4 mitochondria in the middle piece. The flagellum is approximately 40 μm in length. Oo...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/j.tice.2018.06.002
更新日期:2018-08-01 00:00:00
abstract::We used immunofluorescence microscopy and isoactin-specific antibodies to characterize the pattern and prevalence of pericytes within the brain microcirculation. Blood pressures of normotensive, Wistar-Kyoto (WKY) and spontaneously hypertensive (SHR) rats were measured prior to sacrifice and pressure-perfusion fixatio...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/0040-8166(88)90002-x
更新日期:1988-01-01 00:00:00
abstract::Despite profound knowledge of the incidence of oral cancers and a large body of research beyond it, it continues to beat diagnosis and treatment management. Post physical observation by clinicians, a biopsy is a gold standard for accurate detection of any abnormalities. Towards the application of artificial intelligen...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/j.tice.2019.101322
更新日期:2020-04-01 00:00:00
abstract::The tropharium of the common shorebug Saldula saltatoria consists of 2 zones: the apical mitotic region and the distal one comprising numerous mononucleate nurse cells. Each individual nurse cell is connected to the centrally located trophic core by a thin cytoplasmic projection referred to as a trophic process. The a...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/0040-8166(90)90023-3
更新日期:1990-01-01 00:00:00
abstract::The localization of lactoferrin (LF) was studied in bovine exocrine glands by the peroxidase-antiperoxidase method. In general, LF immunoreactivity was demonstrated in most of the serous demilunes of the mixed glands and in some but not all acinar cells of the serous glands. LF was not detected in the acinar cells of ...
journal_title:Tissue & cell
pub_type: 杂志文章
doi:10.1016/0040-8166(93)90059-t
更新日期:1993-10-01 00:00:00