Abstract：
:The fine structure of the intercellular junctions of the hen parathyroid gland was studied using freeze-fracture replicas and thin sections. In the conventional thin sections, desmosomes, intermediate junctions (maculae adherentes) and gap junctions were observed, and in the lanthanum-fixed sections, tight junctions (maculae occludentes) were demonstrated as well. In the freeze-fracture replicas, desmosomes, gap junctions, tight junctions and combination forms of gap and tight junctions occurred, but intermediate junctions were not identified. Junctional complexes (zonulae occludentes) were not encountered in any preparations. The gap junctions varied in size and shape; they ranged from irregularly shaped, minute assemblages of particles to large aggregations of a round or elliptic outline. Both the tight junctions and the combination forms of gap and tight junctions also exhibited a variety of shape and dimension, and, depending on the form of the tight junctional strands, they were classified into three types: type I consisted of a simple line of strands; type II consisted of a closed network of strands; and type III consisted of an open network of strands. The combination forms were more numerous than the typical tight junctions. The possible significance of these junctions is discussed in relation to the function of the parathyroid parenchymal cell.
journal_name
J Anatjournal_title
Journal of anatomyauthors
Setoguti T,Inoue Y,Suematsu Tsubject
Has Abstractpub_date
1982-09-01 00:00:00pages
395-406issue
Pt 2eissn
0021-8782issn
1469-7580journal_volume
135pub_type
杂志文章abstract：:Age-related changes are reported in the rat suprapatella: a fibrocartilage that resists compression of the quadriceps tendon against the femur in the flexed knee. The suprapatella was studied by histology, immunohistochemistry and electron microscopy in rats aged 11-14 weeks, and 12, 15, 18 and 24 months. Type II coll...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1991-12-01 00:00:00
abstract：:Elastic fibres, which are intimately associated with collagen, a major component of the urethra, have been assumed to contribute to the resting urethral closure pressure. The Miller stain for elastin was used to demonstrate elastic fibres in cryostat sections of guinea pig bladder base, vesicourethral junction (VUJ) a...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1046/j.1469-7580.1999.19530447.x
更新日期：1999-10-01 00:00:00
abstract：:The behavioral differences in muscle use are related to the fiber type composition of the muscles among other variables. The aim of this study was to examine the degree of heterogeneity in the fiber type composition in the rat temporalis muscle. The temporalis muscle was taken from 10-week-old Wistar strain male rats ...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/j.1469-7580.2008.00990.x
更新日期：2008-12-01 00:00:00
abstract：:The structure of the gonad primordia is described in the embryos of three species of poeciliid fish. Prior to the sexualisation of the germ cells, a dimorphism exists based upon the gonadal somatic features. This serves as a basis for distinguishing between male and female specimens. Presumptive males are characterise...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1985-03-01 00:00:00
abstract：:Tetrapod limbs morphology is a reliable proxy of locomotor capacities. Beyond this, other aspects of life habits, such as predation abilities, can also be relevant to determine main morphofunctional appendicular properties, which ultimately reflect a compromise between different factors of the biological role. Dromaeo...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.13153
更新日期：2020-05-01 00:00:00
abstract：:The lacrimal sac and nasolacrimal duct are surrounded by a wide cavernous system of veins and arteries comparable to a cavernous body. The present study aimed to demonstrate the ultrastructure of the nervous tissue and the localisation of neuropeptides involved in the innervation of the cavernous body, a topic not pre...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1046/j.1469-7580.2000.19720177.x
更新日期：2000-08-01 00:00:00
abstract：:Overactivity of the hypothalamic-pituitary-adrenal (HPA) axis characterized by hypercortisolism, adrenal hyperplasia and abnormalities in negative feedback is the most consistently described biological abnormality in melancholic depression. Corticotropin-releasing hormone (CRH) and arginine vasopressin (AVP) are the m...
journal_title：Journal of anatomy
pub_type： 杂志文章,评审
doi：10.1111/j.1469-7580.2005.00443.x
更新日期：2005-09-01 00:00:00
abstract：:A symposium on extramedullary haematopoiesis was held on 11-12 September 1996 at the University of St Andrews. The following are abstracts of papers and posters presented at the meeting. ...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1046/j.1469-7580.1997.19020311.x
更新日期：1997-02-01 00:00:00
abstract：:Developing Xenopus embryos treated during gastrulation with 22 micrograms/l of salmar calcitonin in the ambient water develop into larvae exhibiting a decrease in interocular distance. In view of the hypocalcaemic properties of calcitonin and the importance of calcium ions in cell aggregation, this phenomenon has been...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1985-01-01 00:00:00
abstract：:The normal number and arrangement of motoneurons contributing fibres, via the median and radial nerves, to the forearm muscles of the rat were determined at different stages of postnatal development. Horseradish peroxidase was applied directly to the proximal cut ends of the nerves in 5, 10, 21 days old and adult rats...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1990-08-01 00:00:00
abstract：:Blind mole-rats (Spalax ehrenbergi) are fossorial solitary rodents that present striking morphological, physiological and behavioural adaptations to the subterranean environment in which they live. Previous studies have shown that mole-rats are specialised in tooth-digging. The rapid eruption-rate of their incisors ha...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1046/j.1469-7580.2001.19950591.x
更新日期：2001-11-01 00:00:00
abstract：:Taurodontism (i.e. enlarged pulp chamber with concomitant apical displacement of the root bi/trifurcation) is considered a dental anomaly with relatively low incidence in contemporary societies, but it represents a typical trait frequently found in Neandertal teeth. Four hypotheses can be envisioned to explain the hig...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.12260
更新日期：2015-02-01 00:00:00
abstract：:The ACTH cells form a layer 1-8 cells thick, dorsal to the prolactin cells in the rostral pars distalis. They react only mildly with a variety of stains including PAS-lead haematoxylin. Their nuclear diameters vary seasonally in a manner that closely parallels that of the prolactin cells. The relative volumes of the A...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1982-08-01 00:00:00
abstract：:In a prospective cross-sectional ultrasound study the size of the fetal lumbar spinal canal was evaluated to determine reference values for the lumbar part of the vertebral canal. One hundred and sixty-seven pregnant women undergoing routine obstetric ultrasound were studied between 16 and 41 weeks of gestation. Exclu...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1046/j.1469-7580.2002.00048.x
更新日期：2002-05-01 00:00:00
abstract：:The present study has shown that the secondary curvature in the cervical spine of the human fetus develops at a much earlier age than has been thought. It may, in fact, develop soon after the embryo first acquires a neck and begins to uncurl. The early appearance of this curvature may be related to the early developme...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1977-07-01 00:00:00
abstract：:The volume and shape (the axial ratio:length/diameter) of mitochondria in periportal and perihepatic hepatocytes from newborn, 5 days old, 10 days old and adult male ddY mice were analysed by quantitative electron microscopy. In newborn animals, the volume and relative histogram of the axial ratio were not significant...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1984-09-01 00:00:00
abstract：:In zoology it is well known that birds are characterized by the presence of feathers, and mammals by hairs. Another common point of view is that avian scales are directly related to reptilian scales. As a skin embryologist, I have been fascinated by the problem of regionalization of skin appendages in amniotes through...
journal_title：Journal of anatomy
pub_type： 杂志文章,评审
doi：10.1111/j.1469-7580.2008.01041.x
更新日期：2009-04-01 00:00:00
abstract：:Little is known about the embryonic development and variation of the chondrocranium in Crocodylia and there are no works on any Caiman species. Due to the importance of cranial features in the systematics of this clade, investigating the development of the skull in embryonic stages is essential. In this study, we pres...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.12968
更新日期：2019-06-01 00:00:00
abstract：:Nearly two thirds of the approximately 700 species of living salamanders are lungless. These species respire entirely through the skin and buccopharyngeal mucosa. Lung loss dramatically impacts the configuration of the circulatory system but the effects of evolutionary lung loss on cardiac morphology have long been co...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.12535
更新日期：2017-01-01 00:00:00
abstract：:We characterized the architecture, fiber type, titin isoform distribution, and collagen content of 27 portions of 22 muscles in the murine forelimb. The mouse forelimb was different from the human arm in that it had the extensor digitorum lateralis muscle and no brachioradialis muscle. Architecturally, the mouse forel...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/j.1469-7580.2012.01559.x
更新日期：2012-11-01 00:00:00
abstract：:Tongues were removed from rat fetuses on d 16 of gestation (E16) and from newborn (P0) and juvenile rats on d 7 (P7) and d 21 (P21) postnatally for examination by light and transmission electron microscopy. In the fetuses at E16, no rudiments of filiform papillae were visible on the dorsal surface of the tongue. No ev...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1046/j.1469-7580.1999.19510027.x
更新日期：1999-07-01 00:00:00
abstract：:Articular cartilage from the weight-bearing area of the femoral concyles in adult rats is smooth in the normal, non-weight-bearing condition, showing none of the surface irregularities (8-15 micrometer) reported by previous authors. Demonstrable changes in the surface characteristics of articular cartilage may be attr...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1980-09-01 00:00:00
abstract：:Invasive species are a global scourge and often negatively impact native species. Understanding the expansion and dispersal limits of these species is essential. As previous studies have demonstrated increased locomotor performance for populations at the edge of the range of expanding populations, studies of locomotio...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.13063
更新日期：2019-12-01 00:00:00
abstract：:Forelimb reduction occurred independently in multiple lineages of theropod dinosaurs. Although tyrannosaurs are renowned for their tiny, two-fingered forelimbs, the degree of their reduction in length is surpassed by abelisaurids, which possess an unusual morphology distinct from that of other theropods. The forelimbs...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.12660
更新日期：2017-10-01 00:00:00
abstract：:Kokartus honorarius from the Middle Jurassic (Bathonian) of Kyrgyzstan is one of the oldest salamanders in the fossil record, characterized by a mixture of plesiomorphic morphological features and characters shared with crown-group salamanders. Here we present a detailed histological analysis of its long bones. The an...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.12281
更新日期：2015-04-01 00:00:00
abstract：:Although systematic reviews are conducted in the field of anatomical research, no instruments exist for the assessment of study quality. Thus, our objective was to develop a valid tool that reliably assesses the methodological quality of observational cadaveric studies. The QUACS scale (QUality Appraisal for Cadaveric...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.12292
更新日期：2015-05-01 00:00:00
abstract：:In rats of 40, 49 and 59 days of age the positions of the femoral and tibial nutrient foramina were determined by direct measurement, using a travelling microscope. The femoral nutrient foramen remained constant in position with increasing age, whereas the tibial nutrient foramen moved relatively nearer to the distal ...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1978-03-01 00:00:00
abstract：:The role of the neural arch in weight transmission in the cervical and upper thoracic regions of the vertebral column has been investigated. Measurements at the levels of C2, C4, C6, C7, T1 and T5 vertebrae were made in 44 adult male vertebral columns. At each level, the area of the inferior surface of the body was co...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1986-10-01 00:00:00
abstract：:The axial musculoskeletal system of quadrupedal mammals is not currently well understood despite its functional importance in terms of facilitating postural stability and locomotion. Here we examined the detailed architecture of the muscles of the vertebral column of two breeds of dog, the Staffordshire bull terrier (...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.12208
更新日期：2014-09-01 00:00:00
abstract：:Hydrocortisone administration in vivo to neonatal mice for seven days led to a significant increase in both the size and the labelling index of extra-adrenal chromaffin tissue (as represented by the para-aortic body) of 8 days old mice. In untreated animals at this age, the para-aortic body was in most cases too small...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1986-02-01 00:00:00
