Abstract：
:Light and electron microscopic studies, including the use of the vital dyes trypan blue and acridine orange, indicate that the topical application of precocene II rapidly triggers degenerative processes in the corpora allata (CA) leading within a few days to the virtual disappearance of the parenchymal cells of these glands. The following sequence of events was observed: 1) Within 2 h, many of the cells in fixed nymphal specimens showed increased electron density. During the next few hours, they decreased considerably in volume (shrinkage necrosis). Intercellular spaces increased simultaneously. Although a variable number of cells remained electron lucent, they showed nuclear and cytoplasmic degeneration later on (coagulative necrosis). 2) Haemocytes arrived at the CA sheath and invaded the CA in large numbers after 12 h. 3) CA cells became increasingly necrotic, and cell fragments were budded off and were phagocytosed most noticeably after 1 to 3 days. Thereafter no CA parenchyma remained. 4) Haemocytes dispersed.
journal_name
Cell Tissue Resjournal_title
Cell and tissue researchauthors
Schooneveld Hdoi
10.1007/BF00234326subject
Has Abstractpub_date
1979-11-01 00:00:00pages
25-33issue
1eissn
0302-766Xissn
1432-0878journal_volume
203pub_type
杂志文章abstract：:Structures identified as subsurface cisterns (SSC's) were found in neurons of the paraventricular nuclei of the rat hypothalamus. They appeared as cytoplasmic organelles consisting most often of stacks of parallel cisterns apposed to the neuronal plasmalemma. These SSC's were located in the interneurons of the parvoce...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00236138
更新日期：1979-06-27 00:00:00
abstract：:Tissue lectins appear to be involved in a broad range of physiological processes, as reflected for the members of the family of galectins by referring to them as adhesion/growth-regulatory effectors. In order to clarify the significance of galectin presence, key challenges are to define their binding partners and the ...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s00441-018-2931-x
更新日期：2019-03-01 00:00:00
abstract：:Purinergic P2X receptors associated with the parasympathetic nerves supplying human bladder smooth muscle (detrusor) are implicated in control of detrusor contractility. The relative abundance of all seven subtypes colocalised with synaptic vesicles on parasympathetic nerves was examined in specimens from normal adult...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s00441-003-0788-z
更新日期：2003-12-01 00:00:00
abstract：:The use of antibodies to alpha-(17--39) ACTH, beta-LPH, and alpha- and beta-endorphins has enabled the detection of immunoreactive cells as early as the eight week of fetal life. Immunoreactive cells are located in the anterior and intermediate lobes of the pituitary gland in normal human fetuses. The same cells react...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00225339
更新日期：1978-10-30 00:00:00
abstract：:Glaucoma, a disease of the optic nerve and retina, causes blindness in millions of people worldwide. Currently available therapies for this disease only attempt to reduce intraocular pressure, the major risk factor, without addressing the associated optic neuropathy and retinopathy. Development of glaucoma neuroprotec...
journal_title：Cell and tissue research
pub_type： 杂志文章,评审
doi：10.1007/s00441-013-1584-z
更新日期：2013-08-01 00:00:00
abstract：:The interstitial cells of Cajal (ICCs) are important mediators of gastrointestinal (GI) motility because of their role as pacemakers in the GI tract. In addition to their function, ICCs are also structurally distinct cells most easily identified by their ultra-structural features and expression of the tyrosine kinase ...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s00441-012-1434-4
更新日期：2012-08-01 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
pub_type： 杂志文章
doi：10.1007/BF00225542
更新日期：1978-01-17 00:00:00
abstract：:The distribution of gap junctions (nexuses) in various parts of the small and large intestines of the guinea-pig was studied using the freeze-fracture technique and in thin sections. The percentage area of smooth muscle cell surface occupied by gap junctions varies from 0.50% in the circular muscle of the duodenum to ...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00209987
更新日期：1981-01-01 00:00:00
abstract：:Human gingival fibroblasts were cultured with collagen fibrils. The precise process of collagen phagocytosis and the relationship between acid phosphatase activity and intracellular degradation of collagen were investigated by cytochemical methods at the ultrastructural level. The collagen fibrils were first engulfed ...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00213929
更新日期：1986-01-01 00:00:00
abstract：:In marine cartilaginous fish, reabsorption of filtered urea by the kidney is essential for retaining a large amount of urea in their body. However, the mechanism for urea reabsorption is poorly understood due to the complexity of the kidney. To address this problem, we focused on elephant fish (Callorhinchus milii) fo...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s00441-015-2234-4
更新日期：2015-12-01 00:00:00
abstract：:Differentiated nongranulated (folliculo-stellate) cells were observed in the centre and periphery of the cords of cells in the pars distalis of the adult tammar wallaby (Macropus eugenii). The nongranulated cells formed follicles containing a small lumen: the cell apices were joined by junctional complexes including z...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00210898
更新日期：1982-01-01 00:00:00
abstract：:Rat ovarian perifollicular contractile tissue was examined at specified intervals prior to ovulation to determine the type, relative number, and length of cellular junctions. Rat ovaries were taken for electron-microscopic observation at 1500 h on the afternoon of proestrus (proestrus 0-h group), at 2000 h (proestrus ...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00210023
更新日期：1981-01-01 00:00:00
abstract：:Corneal fibroblasts, major cellular components of the corneal stroma, are loosely arrayed between collagen lamellae. They play an important role in the metabolic and physiological homeostasis mechanisms by which the cornea is kept transparent. This paper deals with the demonstration of the gap junctions between the co...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00215533
更新日期：1987-08-01 00:00:00
abstract：:Roles of pituitary growth hormone (GH) in female reproduction are well established. Autocrine and/or paracrine actions of GH in the mammalian ovary have additionally been proposed, although whether the ovary is an extra-pituitary site of GH expression in the laying hen is uncertain. This possibility has therefore been...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s00441-008-0595-7
更新日期：2008-05-01 00:00:00
abstract：:In the central nervous system, serotonergic and dopaminergic signaling is terminated by the activity of specialized transporter proteins for serotonin (SERT) and dopamine (DAT). These transporter proteins are found both on the cell surface and in intracellular transport vesicles. Trafficking between these subcellular ...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s00441-011-1256-9
更新日期：2011-11-01 00:00:00
abstract：:The ultrastructure of the rectal papillae of the parasitoid hymenopteran, Nasonia vitripennis (Walk), is described. These organs in this insect consist of four distinct cell types arranged as a closed, hollow cone. The majority of the cells are present in the raised cone, and are characterised by large numbers of mito...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00220008
更新日期：1975-08-25 00:00:00
abstract：:The insect midgut epithelium represents an interface between the internal and the external environment and it is the almost unique epithelial tissue by which these arthropods acquire nutrients. This epithelium is indeed able to produce digestive enzymes and to support vectorial transport of small organic nutrients, io...
journal_title：Cell and tissue research
pub_type： 杂志文章,评审
doi：10.1007/s00441-019-03076-w
更新日期：2019-09-01 00:00:00
abstract：:Somatostatin-like immunoreactivity was localized in nerve cell bodies and nerve terminals in the cat coeliac ganglion. Two types of somatostatin-immunoreactive cell bodies were revealed, the first being large (diameter 35 microns), numerous and weakly labelled, whereas the second was considerably smaller (diameter 10....
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00327290
更新日期：1991-03-01 00:00:00
abstract：:The organization of the neuropeptide Y (NPY)-immunoreactive system in the forebrain, pineal organ and retina of a biweekly spawning fish (Fundulus heteroclitus) was investigated. Immunoreactivity was encountered in neurons of the nucleus olfactoretinalis, in the large population of neurons in the floor of the telencep...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s004410050541
更新日期：1996-02-01 00:00:00
abstract：:The dorsal integument of the girdle of the chiton Mopalia muscosa is covered by a chitinous cuticle about 0.1 mm in thickness. Within the cuticle are fusiform spicules composed of a central mass of pigment granules surrounded by a layer of calcium carbonate crystals. Tapered, curved chitinous hairs with a groove on th...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00221498
更新日期：1982-01-01 00:00:00
abstract：:Transformation of the gastrula to the pluteus includes development of the ability of the larva to control the direction of ciliary beat and coordinate activities of the ciliary band with activities of the esophageal muscles (48-60 h, 15 degrees C). Glyoxylic acid-induced fluorescence shows several cells of the animal ...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00217887
更新日期：1983-01-01 00:00:00
abstract：:The cellular localization of the enzymes tyrosine hydroxylase (TH), aromatic amino-acid decarboxylase (or dopa decarboxylase, DDC), dopamine beta-hydroxylase (DBH) and phenylethanolamine N-methyltransferase (PNMT) in the adrenal medulla of adult rats and rat fetuses (14th, 17th, 18th, 19th and 21st day) was examined. ...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00236882
更新日期：1979-08-03 00:00:00
abstract：:We have previously shown that the chromogranin A (CgA)-derived peptide catestatin (CST: hCgA352-372) inhibits nicotine-induced secretion of catecholamines from the adrenal medulla and chromaffin cells. In the present study, we seek to determine whether CST regulates dense core (DC) vesicle (DCV) quanta (catecholamine ...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s00441-018-2956-1
更新日期：2019-04-01 00:00:00
abstract：:Male rats kept on a standard diet were treated either with progesterone or testosterone by a single intramuscular injection of preparations which are slowly absorbed and metabolized. The rats were anaesthetized 24 h after application of the hormones, perfused with glutaraldehyde, and the parathyroid glands prepared fo...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00318797
更新日期：1992-05-01 00:00:00
abstract：:Ultrastructural and morphometric investigations were performed on the lung of the European salamander, Salamandra salamandra L. Folds of first and second order are covered with a ciliated epithelium containing goblet cells. The respiratory surface of the lung is lined by a single type of cell which, in amphibians, com...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00222429
更新日期：1978-07-27 00:00:00
abstract：:Serial sections of human vaginal and keratinized oral-gingival epithelia were investigated for ciliary structures. Most melanocytes of the gingival epithelium lacked cilia, whereas almost all basal keratinocytes of the deeper portion of the epithelial ridges possessed one cilium each. In the suprabasal layers of the r...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00215830
更新日期：1988-02-01 00:00:00
abstract：:Identified dorsal unpaired median (DUM) neurones of the locust Locusta migratoria were stained intracellularly with large amounts of cobalt to reveal their extensive peripheral branching patterns. Two neurones of the suboesophageal ganglion were studied as well as several neurones of thoracic ganglia. The peripheral b...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s004410050970
更新日期：1997-12-01 00:00:00
abstract：:Fibroblast growth factors (Fgfs) are proteins with diverse functions in development, repair, and metabolism. The human Fgf gene family with 22 members can be classified into three groups, canonical, intracellular, and hormone-like Fgf genes. In contrast to canonical and intracellular Fgfs identified in invertebrates a...
journal_title：Cell and tissue research
pub_type： 杂志文章,评审
doi：10.1007/s00441-010-1024-2
更新日期：2010-10-01 00:00:00
abstract：:Post-translational glycosylation of proteins with O-linked β-N-acetylglucosamine (O-GlcNAcylation) and changes of galectin expression profiles are essential in many cellular stress responses. We examine this regulation in the liver tissue of hibernating thirteen-lined ground squirrels (Ictidomys tridecemlineatus) repr...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s00441-020-03185-x
更新日期：2020-07-01 00:00:00
abstract：:Early in postnatal life, the first wave of spermatogenesis is accompanied by an initial wave of germ cell apoptosis. This may reflect an adjustment in the number of germ cells that can be adequately maintained by Sertoli cells. Two major pathways (intrinsic and extrinsic) are involved in the process of caspase activat...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s00441-006-0186-4
更新日期：2006-09-01 00:00:00
