Abstract:
:The uptake and retention of radiolabeled estradiol by both the male and female reproductive organs were examined in the baboon. Two male and two female baboons were injected intracardially with 1 microgram/kg body weight of 3H-estradiol and two animals, one male and one female, were injected with both labeled and 100 micrograms/kg body weight of unlabeled estradiol. One and a half hours after the injections, the animals were sacrificed and the uterus, cervix, vagina, oviduct, seminal vesicles, and prostate gland were removed and processed for autoradiography. The stratified squamous epithelia of the cervix and vagina demonstrated a light uptake of the label in the germinative, but not in the superficial cell layers. The columnar cells lining the oviduct and uterine glands were labeled, whereas the luminal epithelium of the uterus and the glandular epithelia of the seminal vesicles and prostate gland did not sequester the tritiated steroid. The interstitial cells of all the organs studied demonstrated a moderate to heavy uptake of the radioactivity, whereas the smooth muscle cells were lightly labeled except in the vagina, in which these cells displayed a moderate number of silver grains.
journal_name
J Morpholjournal_title
Journal of morphologyauthors
Weaker FJ,Sheridan PJdoi
10.1002/jmor.1051720203subject
Has Abstractpub_date
1982-05-01 00:00:00pages
151-7issue
2eissn
0362-2525issn
1097-4687journal_volume
172pub_type
杂志文章abstract::The surface areas of the tracheal and cuticular systems of Peripatus acacioi individuals of different body weights were determined by morphometric analysis. The results demonstrate that both surfaces increase with body weight, although the observed increase in the surface area of the tracheal system appears to be at a...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1051880210
更新日期:1986-05-01 00:00:00
abstract::The vomeronasal system consists of a peripheral organ and the connected central neuronal networks. The central connections are sexually dimorphic in rodents, and in some species, parameters of the vomeronasal organ (VNO) vary with sex, hormonal exposure, body size and seasonality. The VNO of the dasyurid marsupial mou...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.20593
更新日期:2016-11-01 00:00:00
abstract::The female reproductive system of Sphaerodema rusticum consists of a pair of ovaries, two lateral oviducts, a median common oviduct, and a median spermatheca. Accessory glands are absent. Each ovary has five free ovarioles branching from the oviduct. Each ovariole consists of a terminal filament, germarium, vitellariu...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1052050207
更新日期:1990-08-01 00:00:00
abstract::The jaw muscle (i.e., masticatory, suprahyoid, and extrinsic tongue) anatomy and mass were examined in four genera of Old World hamsters (cricetine murids), Mesocricetus, Cricetulus, Tscherskia, and Phodopus. The masseter was the largest and most complicated of the muscles examined. In the superficial layer, a few ven...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.10198
更新日期:2004-04-01 00:00:00
abstract::The pineal complex of the lanterfish Triphoturus mexicans was studied by light and electron microscopy. Receptor, supportive and ganglion cells were identified in the pineal end-vesicle. The presence of receptor cells and the prominent pineal window strongly suggest a photoreceptor function. Numerous unmyelinated nerv...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:
更新日期:1976-10-01 00:00:00
abstract::Three regions of the byssus of the marine mussel Mytilus edulis L. are distinct in structural organization at the macroscopic and microscopic level and in amino acid composition. The threads that emanate from the stem at the base of the foot are divided into two regions. The proximal, elastic region has a crimped, den...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1051890305
更新日期:1986-09-01 00:00:00
abstract::Based on light microscopic observations, nerve pathways are described for the first time in the praesoma of a species of the Echinorhynchidae. The pathways are described for 18 nerves, 8 paired and 2 single, which originate from the cerebral ganglion and a post-ganglionic cell and terminate in the body wall musculatur...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1052010306
更新日期:1989-09-01 00:00:00
abstract::In spite of the growing interest in rodents with subterranean activity in general and the spalacids (Spalacidae) in particular, little is known about the biology of most members of this clade, such as the Chinese bamboo rat (Rhizomys sinensis). Here, we analyzed the ear morphology of R. sinensis with respect to hearin...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.20519
更新日期:2016-05-01 00:00:00
abstract::The sagittal otolith of Hyperoglyphe antarctica (Centrolophidae: Teleostei) has a prismatic structure in which the anti-sulcal growth axes of each prism consist of a series of nested cones each composed of a mineral layer followed by an organic matrix layer. Broken sections show the mineral layers to be composed of st...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1052230208
更新日期:1995-02-01 00:00:00
abstract::Early spermatids of the onychophoran Peripatopsis capensis are spherical cells with a centrally located nucleus, numerous mitochondria, Golgi complexes, microtubules and two centrioles. During spermiogenesis, Golgi vesicles migrate to one side of the cell where they form a tight aggregate, which is later shed. The mat...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1051590104
更新日期:1979-01-01 00:00:00
abstract::Descriptions are provided of the histology and ultrastructure of the male internal reproductive tracts from three species of Camponotus, representing three subgenera. This study is the first to provide ultrastructural information on the testes (including spermatogenesis and spermiogenesis), seminal vesicles, and acces...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1052110308
更新日期:1992-03-01 00:00:00
abstract::It is well established that the capacity for teeth to differentiate "in vitro" depends upon: a) the age of the embryonic rudiments at the time of excision and b) the number of cells within each tissue type which are capable of differentiating into organ culture. This paper studies ultrastructural aspects of tooth buds...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1051650302
更新日期:1980-09-01 00:00:00
abstract::During suction feeding teleost fish have to start mouth opening prior to other expansion movements of the head such as operculo-suspensorium abduction. The distribution of the input force over the various expansion movements is determined by the position of the hyoid in the expansion apparatus. Based on a three-dimens...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/(SICI)1097-4687(199604)228:1<1::AID-JMOR1>
更新日期:1996-04-01 00:00:00
abstract::Gross and histological examination of all extant families of turtles revealed that the buccopharyngeal mucosa is morphologically highly varied. The tongues of aquatic species have small lingual papillae or lack them entirely, while terrestrial species have tongues with numerous glandular papillae. The pharynx and the ...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1051960105
更新日期:1988-04-01 00:00:00
abstract::Larval salivary gland cells of seven Drosophila species from the melanogaster group were studied during the early third-instar period. Similar cytoplasmic organization was seen in both the distal and proximal parts of the gland. The cytoplasm contained a large number of free ribosomes, but only a few rough endoplasmic...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1051980109
更新日期:1988-10-01 00:00:00
abstract::Six locomotory muscles of wild common coots, Fulica atra, were analyzed histochemically. Capillarity and fiber-type distributions were correlated to the functional implications and physiological needs of each muscle. Leg muscles exhibit three unevenly distributed fiber types, a pattern that reflects the great variety ...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/(SICI)1097-4687(199808)237:2<147::AID-JMOR
更新日期:1998-08-01 00:00:00
abstract::This study examines the morphology of sporadic congenital microphthalmia in 1-day-old chicks, with particular emphasis on the neural retina. On the basis of the size of the eyeball it is possible to classify microphthalmia into two groups, severe and mild. In severe microphthalmia (less than 5 mm in equatorial diamete...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1051990102
更新日期:1989-01-01 00:00:00
abstract::This research was designed to follow up the observation of Thornton and Kraemer ('51) that regressed, denervated limbs of Ambystoma larvae will not regenerate upon reinnervation if all digits on the limbs were not completely resorbed. The object of this experiment was to determine whether the presence of an apical str...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1051540204
更新日期:1977-11-01 00:00:00
abstract::The receptaculum seminis, opening into the female genital tract, is found only in the metastriate ixodid ticks. An endospermatophore that has been inserted into the female genital aperture at copulation is first stored in the receptaculum seminis, where spermiogenesis is completed before the sperm ascend the oviducts....
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/(SICI)1097-4687(199702)231:2<143::AID-JMOR
更新日期:1997-02-01 00:00:00
abstract::The tectorial structures of the inner ear of the proteid salamander Proteus anguinus were studied with transmission and scanning electron microscopy in order to analyze the ultrastructure of the otoconial membranes and otoconial masses of the maculae and the tectorial membrane of the papilla amphibiorum. Both otoconia...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1052010106
更新日期:1989-07-01 00:00:00
abstract::The interradicular periodontal ligament of mandibular molars contains an apparently unique dilated vessel straddling the interradicular alveolar bone. This structure is designated a venous ampulla. The vessel possesses a luminal length and width of approximately 200 X 100 microns, respectively. Ultrastructurally, the ...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1051910303
更新日期:1987-03-01 00:00:00
abstract::Correlative studies of luminescent responses, light and electron microscopy of Porichthys photophores during development were conducted. The photophores differentiate as an outgrowth of the basal cell layer of the epidermis, from which they delaminate into the dermis. Reflector cells are formed from dermal fibroblasts...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1051510305
更新日期:1977-03-01 00:00:00
abstract::Basket stars, that is, Ophiuroidea in Echinodermata, exhibit distinctive morphological characteristics with their complicatedly branched arms that can regenerate immediately after mutilation. Although, in brittle stars, that is, ophiuroids with nonbranched arms, the arm regeneration process following accidental trauma...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.21296
更新日期:2021-02-01 00:00:00
abstract::Rickettsiae-like structures were found in the salivary gland cells of Drosophila auraria during different larval and prepupal developmental stages, from the early 3rd instar up to 14 hr after spiracle inversion. These microorganisms are surrounded by a membrane, are constantly intracellular, and occur singly or in gro...
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
abstract::In this study, we compare and contrast armoring strategies during early ontogeny among three related species of marine turtles: the hawksbill, a species that diverged about 29 mya from the loggerhead and Kemp's ridley, which diverged from one another about 16 mya. Our purpose was to determine whether there was a corre...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.20844
更新日期:2018-09-01 00:00:00
abstract::Using immunocytochemistry at light- and electron-microscope levels, we studied the distribution of three monoclonal antibodies (AE1, AE2, AE3) specific for mammalian alpha-keratins in regenerating lizard epidermis. We also characterized the keratins expressed during this process by immunoblotting after electrophoretic...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/1097-4687(200012)246:3<179::AID-JMOR2>3.0.
更新日期:2000-12-01 00:00:00
abstract::A new morphological type of somatosensory organ is described. It is found in the glabrous skin of the dog nose (rhinarium or planum nasale) and situated in dermis papillae. The otherwise thick epidermis forms a thin window above the organ. There are only a few layers of keratinocytes in the window and the corneocytes ...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.21108
更新日期:2020-03-01 00:00:00
abstract::Allografts of skin were observed in Chelydra serpentina. The response to these grafts was modified by a previous transplantation of a limb bud at an early embryonic stage. When the same donor was used for all transplants, the first skin graft was accepted by the host. A second skin graft, however, was rejected at abou...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1051440407
更新日期:1974-12-01 00:00:00
abstract::Hind foot drumming is a form of seismic signaling that plays a vital role in the communication of several Bathyergidae species. Hind foot drumming is initiated by the rapid movement of the whole hind limb by flexion and extension of the hip and knee. This study aimed to determine if morphological adaptations of the hi...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.21110
更新日期:2020-04-01 00:00:00
abstract::Early embryonic mitosis of the silkworm, Bombyx mori, was morphologically studied in the normal eggs and in the eggs treated by low temperature (-10°C). The first embryonic mitosis is observed in the eggs at 120 to 150 minutes after deposition at 26°C. After egg and sperm pronuclei unite, a spindle is formed in each o...
journal_title:Journal of morphology
pub_type: 杂志文章
doi:10.1002/jmor.1051580106
更新日期:1978-10-01 00:00:00