Abstract：
:The morphology of the epididymal duct and, in particular, the epididymal microvasculature was examined at the light microscope level in young sexually-mature rats (3-5 months) and aged rats (18 months) to investigate the structural changes that may occur within the organ as a result of ageing, and which may predispose the organ to pathological changes. Quantitative data on the microvascular network of the epididymis (percentage of capillaries in the interstitial region, average area and surface density of the capillary lumen) were collected in 4 regions of the epididymis: the initial segment, caput, corpus and cauda. Epithelial cell height, epididymal lumen diameter, number of smooth muscle cells and percentage of smooth muscle surrounding the duct were also assessed within the same 4 regions. The data for both young and aged groups revealed a trend of decreasing capillary size from the initial segment of the epididymis to the cauda by 23%. Further, the percentage of capillaries within the interstitial region of the epididymis decreases dramatically (52%) in the same direction. The possible contribution of lymphatic capillaries to the data is discussed. The data revealed that none of the parameters assessed changed significantly up to 18 months of age. The quantitative data on the microvascular morphology of the epididymis presented in this study provide the basis for subsequent studies directed at the blood flow dynamics of the organ.
journal_name
J Anatjournal_title
Journal of anatomyauthors
Markey CM,Meyer GTkeywords:
subject
Has Abstractpub_date
1992-04-01 00:00:00pages
255-62eissn
0021-8782issn
1469-7580journal_volume
180 ( Pt 2)pub_type
杂志文章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：:The fabella is a sesamoid bone located in the gastrocnemius behind the lateral femoral condyle. In humans, fabellae are 3.5 times more common today than they were 100 years ago, with prevalence rates varying between and within populations. In particular, fabellae have been assumed to be more common in Asians than non-...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.13091
更新日期：2020-02-01 00:00:00
abstract：:The zebrafish is as an important vertebrate animal model system for studying developmental processes, gene functions and signalling pathways. It is also used as a model system for the understanding of human developmental diseases including those related to the skeleton. However, surprisingly little is known about norm...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.12480
更新日期：2016-07-01 00:00:00
abstract：:The effects of excess iodine on the development of the thyroid gland of chick embryos was assessed following injections of potassium iodide prior to incubation. Iodide injection resulted in a significantly greater thyroid gland weight (goitre) on Day 18 of incubation and a delay in hatching. Histological studies of th...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1991-06-01 00:00:00
abstract：:Mouse immunoglobulin G (IgG) was iodinated with 125iodine (I) and injected intravenously into pregnant mice in order to examine whether mouse granulated metrial gland (GMG) cells are able to take up IgG in vivo. The mice were injected intravenously on days 8, 12 or 16 of pregnancy and killed either 5 min, 2 h or 24 h ...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1992-06-01 00:00:00
abstract：:Guinea-pig ovarian follicles were studied by light and electron microscopy. All freshly ruptured follicles showed small blood vessels within the stratum granulosum as well as amongst the cells of the theca interna. The evidence suggests that the marked increase in the size of the preovulatory follicle stretches the ba...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1979-01-01 00:00:00
abstract：:Schwann cells are excluded from the CNS during development by the glial limiting membrane, an area of astrocytic specialisation present at the nerve root transitional zone, and at blood vessels in the neuropil. This barrier, however, can be disrupted and, with the highly migratory nature of Schwann cells, can result i...
journal_title：Journal of anatomy
pub_type： 杂志文章,评审
doi：10.1046/j.1469-7580.1997.19010035.x
更新日期：1997-01-01 00:00:00
abstract：:Alveolar macrophages were isolated from the lungs of hamsters by lavage and centrifugation. The harvesting procedure yielded about 5.2 X 10(6) cells per animal and the majority of these cells were viable as assessed by a Trypan blue exclusion test. Monolayers of macrophages were labelled with a series of FITC-conjugat...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1985-03-01 00:00:00
abstract：:Classic anatomical methods have failed to determine the precise location, origin and nature of nerve fibres in the inferior hypogastric plexus (IHP). The purpose of this study was to identify the location and nature (adrenergic and/or cholinergic) of IHP nerve fibres and to provide a three-dimensional (3D) representat...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/j.1469-7580.2009.01071.x
更新日期：2009-05-01 00:00:00
abstract：:The distribution of chondrocytes throughout the total thickness of articular cartilage from the femoral condyles of infants, children and adults has been studied using serial sections cut parallel as well as perpendicular to the articular surface. The thickness of the articular cartilage was estimated in fixed section...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1988-04-01 00:00:00
abstract：:The morphological features of odontoblast processes in young kitten odontoblasts were studied by thin section and freeze-fracture electron microscopy. Freeze-fracture replication revealed depressions with particles on the plasma membranes of the proximal parts of odontoblast processes. Comparison with thin sections su...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1984-05-01 00:00:00
abstract：:Autism Spectrum Disorders (ASDs) are a heterogeneous group of neurodevelopmental disorders that are diagnosed solely on the basis of behaviour. A large body of work has reported neuroanatomical differences between individuals with ASD and neurotypical controls. Despite the huge clinical and genetic heterogeneity that ...
journal_title：Journal of anatomy
pub_type： 杂志文章,评审
doi：10.1111/joa.12542
更新日期：2017-01-01 00:00:00
abstract：:Several quantitative and morphometric parameters were analysed in the pars principalis of the supraoptic nucleus (SON) of the hypothalamus in control and hypophysectomised rats at several postnatal ages. The cell number in the control group remained approximately constant from Day 1, when it was 5034 +/- 348 (mean +/-...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1990-04-01 00:00:00
abstract：:Androgen deficiency is one of the major factors leading to the development of osteoporosis in men. Since calcitonin (CT) is a potent antiresorptive agent, in the present study we investigated the effects of androgen deficiency and subsequent testosterone and estradiol treatment on CT-producing thyroid C cells, skeleta...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.12013
更新日期：2013-03-01 00:00:00
abstract：:Extended aggregates of intracellular axonemal derivatives can be seen within the apical cytoplasm of ciliated cells of apparently healthy domestic pigs. Such alterations were observed in 15 out of 20 animals. Complete (9 + 2) or incomplete (8 + 2 - 5 + 2) intracellular axonemes were found which sometimes arose from ma...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1992-02-01 00:00:00
abstract：:Age at death estimation of human skeletal remains is one of the key issues in constructing a biological profile both in forensic and archaeological contexts. The traditional adult osteological methods evaluate macroscopically the morphological changes that occur with increasing age of specific skeletal indicators, suc...
journal_title：Journal of anatomy
pub_type： 杂志文章,评审
doi：10.1111/joa.12544
更新日期：2019-08-01 00:00:00
abstract：:The ultrastructure of the basal lamina of histologically normal human breast tissue was determined in 19 women undergoing operations for removal of a fibroadenoma or reduction mammoplasty. The day of the menstrual cycle was determined by hormone assay and direct questioning. Previously documented ultrastructural appea...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1988-02-01 00:00:00
abstract：:The meaning of the term 'abdomen' has become increasingly ambiguous, as it has to satisfy the contemporary requirements of natural language discourse, literature, gross and radiological anatomy and its role in ontologies supporting electronic records and data modelling. It is critical that there is an agreed understan...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.13384
更新日期：2021-01-08 00:00:00
abstract：:The permeability of the skin of fetal rats between 14 and 21 days of intrauterine life was investigated by injecting lanthanum nitrate solution subepidermally and by exposing the external surface of other fetuses to the same solution. Up to the age of 18 days, the epidermis was freely permeable from the basal surface ...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1983-03-01 00:00:00
abstract：:Cetaceans face the challenge of maintaining equilibrium underwater and obtaining sensory input within a dense, low-visibility medium. The cetacean ear represents a key innovation that marked their evolution from terrestrial artiodactyls to among the most fully aquatic mammals in existence. Using micro-CT and histologi...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/joa.12548
更新日期：2017-02-01 00:00:00
abstract：:The epithalamus is a major subdivision of the diencephalon constituted by the habenular nuclei and pineal complex. Structural asymmetries in this region are widespread amongst vertebrates and involve differences in size. neuronal organisation, neurochemistry and connectivity. In species that possess a photoreceptive p...
journal_title：Journal of anatomy
pub_type： 杂志文章,评审
doi：10.1046/j.1469-7580.2001.19910063.x
更新日期：2001-07-01 00:00:00
abstract：:Differences are reported in the total calcified tissue/bone marrow ratios and in the total thickness of cortical calcified tissue (lamellar bone and calcified fibrocartilage) between the attachment sites of the quadriceps tendon and the patellar ligament in man. The greatest amount of calcified tissue is at the insert...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1991-02-01 00:00:00
abstract：:Degeneration, scar formation and regeneration have been studied after section of the optic nerve in the frog. In the normal optic nerve two types of macroglial cell were identified: astrocytes and oligodendroglia. Degeneration after injury proceeded rapidly in comparison with mammals but did not lead to the production...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1981-09-01 00:00:00
abstract：:The blood supply of the symphysis pubis is still the subject of some debate. Classic anatomy books state that this joint is avascular, whereas some published works have shown blood vessels in young specimens. As several articular discs such as the knee menisci are known to have blood vessels in their peripheries, we d...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1111/j.0021-8782.2004.00271.x
更新日期：2004-03-01 00:00:00
abstract：:Mastoid canals (tunnels) were observed in 41 (7.7%) of 265 dry human skulls. The canals were 2-27 mm long. This feature has not been reported before. dissection of 30 mastoid regions in cadavers showed that the canals contained a branch of the occipital artery and a vein. It is possible that during development of the ...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1996-02-01 00:00:00
abstract：:The regeneration of adrenocortical autotransplants in the rat spleen has been investigated by light and electron microscopy. Up to the seventh day after implantation, adrenal grafts showed large areas of necrosis and contained many degenerating (apoptotic) adrenocortical cells, some mesenchyme-like poorly differentiat...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1982-09-01 00:00:00
abstract：:The distribution of mRNAs and antigens of tissue type (t) and urokinase type (u) plasminogen activators (PA) plus their corresponding inhibitors, type-1 (PAI-1) and type-2 (PAI-2) were studied in human and rhesus monkey placentae by in situ hybridisation and immunocytochemistry. Specific monkey cRNA and antibodies aga...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：10.1046/j.1469-7580.1999.19420183.x
更新日期：1999-02-01 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：:The dogma that cutaneous wound healing is impaired as a function of age is largely unsubstantiated. This can be attributed to poor experimental design of human studies, the lack of subject characterisation with the exclusion of disease processes, and the study of inappropriate animal models. Structural and functional ...
journal_title：Journal of anatomy
pub_type： 杂志文章,评审
doi：
更新日期：1995-08-01 00:00:00
abstract：:In an adult skull a pre-interparietal bone was found to be present in two symmetrical pieces on either side of the midline. This is the result of failure of fusion of a third pair of centres with each other on the midline. The possibilities of variations due to non-fusion of various pairs of the centres in the interpa...
journal_title：Journal of anatomy
pub_type： 杂志文章
doi：
更新日期：1987-06-01 00:00:00
