Development of serous cutaneous glands in Scinax nasica (Anura, Hylidae): patterns of poison biosynthesis and maturation in comparison with larval glands in specimens of other families.

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：:Acinar cells of extraorbital lacrimal glands from control, pilocarpine-treated, atropine-treated and atropine + pilocarpine-treated rats were studied using a potassium pyroantimonate technique and X-ray microanalysis for calcium localization at the ultrastructural level. This was done in order to identify intracellula...

journal_title：Tissue & cell

authors： Sampson HW,Bowers DE,Cannon MS,Piscopo I

更新日期：1982-01-01 00:00:00

abstract：:Pituitary glands were removed from sexually mature female turtles (Chrysemys picta) and they were injected intraperitoneally (i.p.) into other mature females of the same species (experimental). In addition mature females of the same species received saline injection only (controls). Initially all the turtles used in t...

journal_title：Tissue & cell

authors： Mahmoud IY,Ba-Omar T,Alkindi A

更新日期：2006-06-01 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

authors： Chepko G,Dickson RB

更新日期：2003-04-01 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

authors： Delabarre S,Claudon C,Laurent F

更新日期：1997-02-01 00:00:00

abstract：:Aggregation factors, purified from 14 sponges which belong to the classes Tetraxonida and Cornacuspongia, Were visualized electron microscopically. Two types of basic structural forms were detected; first, circular structures from the species Ancorina cerebrum, Mycale massa, Hemimycale columella, Crella rosea, Clathri...

journal_title：Tissue & cell

authors： Müller WE,Conrad J,Pondeljak V,Steffen R,Zahn RK

更新日期：1982-01-01 00:00:00

abstract：:The present study describes the ultrastructural organization of the mature spermatozoon of the digenean Glypthelmins staffordi (Glypthelminthidae) by means of transmission electron microscopy. Live digeneans were collected from the Chinese edible frog (Hoplobatrachus rugulosus) in Udon Thani Province (Thailand). The u...

journal_title：Tissue & cell

authors： Miquel J,Poonlaphdecha S,Ribas A

更新日期：2018-10-01 00:00:00

abstract：:The ovoid cells of the branchial heart complex of Sepia officinalis L. were investigated with respect to their role in detoxification processes. The electron microscopical localization of in situ injected ferritin in the endocytotic-lysosomal system, and the fluorescence microscopical localization of protein-bound Eva...

journal_title：Tissue & cell

authors： Beuerlein K,Schipp R

更新日期：1998-12-01 00:00:00

abstract：:1. To be mechanically effective, supporting structures which are helicoidal need to be monodomain, with planar or concentric layers. 2. To achieve this in cholesteric liquid crystalline chemical models, a constraining surface is required. 3. The prediction which logically follows from this is that natural helicoidal s...

journal_title：Tissue & cell

authors： Neville AC

更新日期：1988-01-01 00:00:00

abstract：:This report describes a technique which permits a high yield of viable adult cardiac myocytes from the adult newt using enzymatic separation techniques at low temperature and high enzyme concentrations. Observations by light microscopy showed the isolated myocytes to have a distinctively slender morphology which consi...

journal_title：Tissue & cell

authors： Tate JM,McDonnell TJ,Oberpriller JC,Oberpriller JO

更新日期：1987-01-01 00:00:00

abstract：:The prostatic complex (ventral and dorsal regions) of Artibeus planirostris exhibits seasonal variations throughout the year. Circulating testosterone was correlated with prostate weight, showing an increase from autumn to summer, with the highest peak in summer corresponding to the largest breeding season. This indic...

journal_title：Tissue & cell

authors： Puga CC,Beguelini MR,Morielle-Versute E,Vilamaior PS,Taboga SR

更新日期：2016-06-01 00:00:00

abstract：:Rhodnius prolixus is an important vector of Trypanosoma cruzi, the etiological agent of Chagas disease. Insect adults have a pair of Metasternal Glands (MGs) and the secretion emitted by these glands acts as sex pheromone. Recent studies have focused on the chemical composition of this pheromone, electrophysiological ...

journal_title：Tissue & cell

authors： Lopes RL,Santos-Mallet JR,Barbosa CF,Gomes SAO,Spiegel CN

更新日期：2020-12-01 00:00:00

abstract：:Female adults of the bagworm moth, Eumeta variegata, lack wings completely, whereas male adults of this species have functional wings. We previously found that ecdysteroid induces apoptotic events in the female wing rudiment of E. variegata in vitro, whereas the male wing discs cultured with 20-hydroxyecdysone (20E) u...

journal_title：Tissue & cell

authors： Niitsu S,Lobbia S,Kamito T

更新日期：2011-06-01 00:00:00

abstract：:As part of an ongoing comparative fine structural study, the retinal pigment epithelium (RPE), choriocapillaris and complexus basalis (Bruch's membrane) in the emu (Dromaius novaehollandiae) have been investigated by light and electron microscopy. The RPE consists of a single layer of cuboidal cells joined basally by ...

journal_title：Tissue & cell

authors： Braekevelt CR

更新日期：1998-04-01 00:00:00

abstract：:We examined the participation of MAPK and PKA in the Golgi complex disassembly caused by light-activated Calphostin C in HT-29 cells. When these cells were incubated with Calphostin C, fragmentation and dispersal of the Golgi complex was observed as assessed by immunofluorescence microscopy. Electron microscopy analys...

journal_title：Tissue & cell

authors： Morgado-Díaz JA,Montesano G,De Souza Fernandes S,Redondo PA,Fernandes de Souza W,Albuquerque-Xavier AC,Leve F,Tanaka MN,Martins de Araujo W,Oliveira SS,Benchimol M,De Souza W

更新日期：2007-06-01 00:00:00

abstract：:Mature mast cells, isolated from the rat peritoneal cavity, were placed into suspension culture, either as resting or after degranulation by exposure to compound 48/80, and were maintained for up to 63 hr. No mitotic cells were observed, and cell number was conserved. The culture conditions did not cause spontaneous d...

journal_title：Tissue & cell

authors： Burwen SJ

更新日期：1982-01-01 00:00:00

abstract：:Two fracture faces in each half of the freeze-fractured tegumental membrane of adult Schistosoma mansoni indicate the presence of two trilaminate membranes. This result is compatible with the heptalaminate appearance of the tegumental membrane in ultrathin sections. Intramembranous particles are located mainly in the ...

journal_title：Tissue & cell

authors： Hockley DJ,McLaren DJ,Ward BJ,Nermut MV

更新日期：1975-01-01 00:00:00

abstract：:This study is designed to better understand the function of the Müller cells of the retina through the use of silicon particles that had been injected into the vitreous body of the eye and via an analysis of the number of gap junctions associated with these cells. Following intraocular injection of a silicone oil mixt...

journal_title：Tissue & cell

authors： Nishizono H,Murata Y,Tanaka M,Soji T,Herbert DC

更新日期：1993-01-01 00:00:00

abstract：:Degeneration of intervertebral disk (IVD) has been increased in recent years. The lumbar herniation can be cured using conservative and surgical procedures. Surgery is considered after failure of conservative treatment. Partial discectomy, fusion, and total disk replacement (TDR) are also common surgical treatments fo...

journal_title：Tissue & cell

authors： Shahmohammadi M,Asgharzadeh Shirazi H,Karimi A,Navidbakhsh M

更新日期：2014-10-01 00:00:00

abstract：:We have previously shown that Elasmobranchs-characterized by a partially calcified cartilaginous endoskeleton-presented a bony vertebral arch containing osteoblasts, osteocytes and resorbing cells. The aim of this study is to test the ability of Elasmobranchs to resorb bone tissue. The subcutaneous implantation in dog...

journal_title：Tissue & cell

authors： Peignoux-Deville J,Bordat C,Vidal B

更新日期：1989-01-01 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

authors： Michalik P,Gray MR,Alberti G

更新日期：2003-10-01 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

authors： Lee BH,Kang H,Kwon D,Park CI,Kim WK,Kim MY

更新日期：1998-02-01 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

authors： Kamenev YO,Eliseikina MG,Maslennikov SI,Dolmatov IY

更新日期：2018-08-01 00:00:00

abstract：:The sarcoplasmic reticulum (SR) of the remarkably fast remotor muscle of lobster second antenna was investigated with regard to ultrastructure, calcium uptake and protein composition. The SR of this unique muscle dominates the volume of the cell. We were able to preserve the configuration of the SR in its native state...

journal_title：Tissue & cell

authors： Scales DJ,Kidd P,Yasumura T,Ines G

更新日期：1982-01-01 00:00:00

abstract：:Junctional complexes between the epithelial cells in the four distinct regions of the glow-worm Malpighian tubule were investigated by electron microscopy using thin sectioning, freeze-fracturing, osmotic disruption and tracer techniques. The lateral plasma membranes of all four cell types are joined by smooth septate...

journal_title：Tissue & cell

authors： Green LF,Bergquist PR,Bullivant S

更新日期：1980-01-01 00:00:00

abstract：:The expression of alpha(1a)-adrenoreceptors (alpha(1a)-ARs) within the muscle spindles of rabbit masseter muscle was investigated. The alpha(1a)-ARs were detected by immunohistochemical fluorescent method and examined along the entire length of 109 cross serially sectioned spindles. The sympathetic fibers were visuali...

journal_title：Tissue & cell

authors： Bombardi C,Grandis A,Chiocchetti R,Bortolami R,Johansson H,Lucchi ML

更新日期：2006-04-01 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：: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：:The periostracum in Unionidae consists of two layers. The outer one is secreted within the periostracal groove, while the inner layer is secreted by the epithelium of the outer mantle fold. The periostracum reaches its maximum thickness at the shell edge, where it reflects onto the shell surface. Biomineralization beg...

journal_title：Tissue & cell

authors： Checa A

更新日期：2000-10-01 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