Abstract：
:Septate junctions develop initially just basad from apical junctional complexes at the apical ends of regenerating gastrodermal cells. The first morphological indication of differentiation of the junction is the appearance of gentle undulations of the plasma membranes of apposing cells. Subsequently dense dots develop at fairly regular intervals at the cytoplasmic surface of one cell, while SER cisternae become localized opposite them near the surface of the apposing cell. The dense dots are associated with bulges which narrow the intercellular space. Later the dense dots are replaced by filaments aligned along the inner leaflet of the parent cell. Strands of amorphous deposits form connections between SER cisternae and the sister membrane on the opposite side of the junction. Ruthenium red staining provides information on precursors which occupy the intercellular space between the apposed plasma membranes. As development of the junction progresses, ruthenium red stains only the newly formed septa but not the interseptal matrix. Regular arrangement of individual septa seems to be completed under the control of V-projections from both of their surfaces. Precursors for the structural material of the septa may be a secretory product derived from the SER. Dense dots and their derived filaments probably serve as reinforcing material for strengthening the cell membrane of the junction.
journal_name
J Morpholjournal_title
Journal of morphologyauthors
Hori Idoi
10.1002/jmor.1051920303subject
Has Abstractpub_date
1987-06-01 00:00:00pages
205-215issue
3eissn
0362-2525issn
1097-4687journal_volume
192pub_type
杂志文章abstract：:The segmental anatomy of Harmothoë imbricata deviates from the plan of a typical errant polychaete only slightly. The body is partitioned into 37 nonmetameric segments and is covered by 15 pairs of elytra. The segmental musculature consists of paired dorsal and ventral longitudinal muscles, pairs of dorso-ventral musc...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.1051350302
更新日期：1971-11-01 00:00:00
abstract：:Fourteen species of leiognathid fishes (Perciformes, Leiognathidae) from the Philippine Islands, Thailand, Japan, Indonesia, and Palau were examined for accessory secondary sexual dimorphism. Thirteen species exhibit either external dimorphism (a clear patch of skin on the flanks of males, a large clear patch of skin ...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.1051820105
更新日期：1984-10-01 00:00:00
abstract：:We studied the functional morphology of the female reproductive system of the purple stone crab Danielethus crenulatus. The most remarkable feature is the relative storage capacity and extensibility of the seminal receptacles. These receptacles are a pair of simple sacs that lack internal structures dividing the inter...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.20685
更新日期：2017-07-01 00:00:00
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journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.10787
更新日期：2010-02-01 00:00:00
abstract：:To illustrate vascular modification accompanying transition from aquatic to amphibious life in gobies, we investigated the respiratory vasculatures of the gills and the bucco-opercular cavities in one of the most terrestrially-adapted mudskippers, Periophthalmodon schlosseri, using the corrosion casting technique. The...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.10944
更新日期：2011-05-01 00:00:00
abstract：:The larval epithelium of the sea urchin, Lytechinus pictus, consists of squamous cells and bands of columnar epithelial cells bearing cilia. During metamorphosis this tissue undergoes a series of rapid, complex changes. Through the scanning and transmission electron microscope, we describe and analyse these changes. T...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.1051570103
更新日期：1978-07-01 00:00:00
abstract：:An ultrastructural study of the ovary of the sessible jellyfish, Haliclystus octoradiatus, indicates that it is fundamentally different from that of other scyphozoans and is the most structurally complex within the class. Oocytes develop within a series of spherical, sac-like ovarian follicles consisting of an enlarge...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.1052180210
更新日期：1993-11-01 00:00:00
abstract：:The postembryonic development of the turtle carapace was studied in the aquatic Еmys orbicularis and the terrestrial Тestudo graeca. Differences in the structure of the bony shell in aquatic and terrestrial turtles were shown to be associated with varying degrees of development of epidermal derivatives, namely, the th...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.21050
更新日期：2019-10-01 00:00:00
abstract：:There are remarkable interspecific differences in the sizes of the larvae of Andean frogs of the genus Telmatobius. This size variation seems to be associated with the duration of the larval stage and may affect the hind-limb morphology in Telmatobius. Larval, juvenile, and adult Telmatobius rubigo and T. oxycephalus ...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.21264
更新日期：2020-12-01 00:00:00
abstract：:The chondrocranium is a cartilaginous structure that forms around and protects the brain and sensory organs of the head. Through ontogeny, this skeletal structure may become more elaborate, remodeled and reabsorbed, and/or ossified. Though considerable attention has been given to the formation of the chondrocranium an...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.20070
更新日期：2013-01-01 00:00:00
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journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.20352
更新日期：2015-04-01 00:00:00
abstract：:The innervation of the musculature of the tongue and the hyobranchial apparatus of caecilians has long been assumed to be simple and to exhibit little interspecific variation. A study of 14 genera representing all six families of caecilians demonstrates that general patterns of innervation by the trigeminal, facial, g...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.1052120105
更新日期：1992-04-01 00:00:00
abstract：:Relationships among families of the shark order Carcharhiniformes are still being debated, for example, in relation to the inclusion of hammerhead sharks (Sphyrnidae) and the tiger shark (Galeocerdo cuvier) in the Carcharhinidae. Previous morphological studies have not analyzed the phylogenetic significance of axial c...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.20916
更新日期：2019-01-01 00:00:00
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journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.20052
更新日期：2012-10-01 00:00:00
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journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.1051870305
更新日期：1986-03-01 00:00:00
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journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.1052070104
更新日期：1991-01-01 00:00:00
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journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.1118
更新日期：2002-08-01 00:00:00
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journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.20524
更新日期：2016-05-01 00:00:00
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journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.1052050304
更新日期：1990-09-01 00:00:00
abstract：:The medaka, Oryzias latipes, is a model organism in experimental biology. Its ontogeny and osteology have been studied frequently, but no detailed description of its cranial anatomy exists. Based on manual dissections, histological slide sections, and 3D-reconstructions, we describe the anatomy of the jaw apparatus of...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.10746
更新日期：2009-09-01 00:00:00
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journal_title：Journal of morphology
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doi：10.1002/jmor.20629
更新日期：2017-02-01 00:00:00
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journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.10712
更新日期：2009-06-01 00:00:00
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journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.1052160107
更新日期：1993-04-01 00:00:00
abstract：:The taxonomic history of the small frogs of the genus Pseudopaludicola from South America has been controversial. Phylogenetic inferences based on molecular data have identified four Pseudopaludicola clades, correlating with the known variation in karyotypes (2n = 22, 20, 18, and 16). In this study, the ultrastructure...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.20438
更新日期：2015-12-01 00:00:00
abstract：:We investigated muscle development in the Japanese flounder Paralichthys olivaceus, focusing primarily on the cranial muscles, using a whole mount immunohistochemical staining method. It is well established that during the very early stages of morphogenesis, until 4 days post hatching (dph), muscles required for feedi...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.10833
更新日期：2010-07-01 00:00:00
abstract：:Cyprinids constitute the largest fish family and are characterized by their pharyngeal teeth. The masticatory mechanism is still poorly understood. The complex of structures that determine the movements of pharyngeal teeth and chewing pad in the carp (Cyprinus carpio L.) is analyzed. Activities in 16 head muscles of a...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.1051720208
更新日期：1982-05-01 00:00:00
abstract：:The colugos, or flying lemurs (Dermoptera), are arboreal gliding mammals that are commonly grouped with tree-shrews (Scandentia) and Primates in the superorder Euarchonta. However, little is known about the head and neck muscles of these gliding mammals. This raises difficulties for the discussion of not only the func...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.10666
更新日期：2009-01-01 00:00:00
abstract：:The results of an ultrastructural investigation of the gastric glands of the ruin lizard are reported. In this reptile the stomach can be divided into a larger fundus and a smaller pars pilorica. Fundic glands are characterized by three main kinds of cells: mucous, endocrine, and oxynticopeptic; the latter were not ob...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/(SICI)1097-4687(200002)243:2<167::AID-JMOR
更新日期：2000-02-01 00:00:00
abstract：:The latest research on direct developing caecilian and anuran species indicate presence of only one generation of taste organs during their ontogeny. This is distinct from indirect developing batrachians studied thus far, which possess taste buds in larvae and anatomically distinct taste discs in metamorphs. This stud...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/jmor.20544
更新日期：2016-07-01 00:00:00
abstract：:Many studies in the genus Poecilia have focused on reproductive and genetic characteristics of Poecilia formosa, the Amazon molly, and its sympatric species P. latipinna and P. mexicana. The research literature of Poecilia dentition has been limited to general tooth morphology. Essentially absent are comparative analy...
journal_title：Journal of morphology
pub_type： 杂志文章
doi：10.1002/(SICI)1097-4687(199903)239:3<271::AID-JMOR
更新日期：1999-03-01 00:00:00
