Wiley
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Morphological studies on the reproductive organs of blinded male hamsters and the effects of pinealectomy or superior cervical ganglionectomy
Wiley - Tập 160 Số 1 - Trang 13-23 - 1968
AbstractThe testes, seminal vesicles and coagulating glands of hamsters
subjected to bilateral optic enucleation (blinding) involuted within 6–8 weeks.
During the first several weeks after blinding there was relatively little change
in the weights of the reproductive organs, however, between 4–6 weeks the
weights of these organs declined precipitously. Finally, the testes and
accessory sex organs ...
Brain expansion in the chick embryo initiated by experimentally produced occlusion of the spinal neurocoel
Wiley - Tập 268 Số 2 - Trang 147-159 - 2002
AbstractThe brain expands in the early chick embryo from pressure generated by
accumulation of cerebrospinal fluid (CSF) in a closed neural tube. The sealing
of the neural tube occurs as the result of occlusion of the spinal neurocoel
rostral to and before closure of the posterior neuropore. We have previously
demonstrated the dependence of normal brain expansion upon intraluminal
pressure. We had...
Secretory activity in the floor plate neuroepithelium of the developing human spinal cord: Morphological evidence
Wiley - Tập 222 Số 2 - Trang 185-190 - 1988
AbstractThe developing spinal cord at the cervical and thoracic levels in 14
human embryos ranging from Carnegie stages 14 to 20 were examined with the
electron microscope. The floor plate‐forming cells contained numerous
cytoplasmic organelles, such as rough endoplasmic reticulum (ER), Golgi
apparatus, and well‐developed junctional complexes between the adjacent cells.
Microvilli and cilia were n...
Scanning electron microscope study of the developing microvasculature in the postnatal rat lung
Wiley - Tập 216 Số 2 - Trang 154-164 - 1986
AbstractDuring postnatal growth the parenchymal septa of rat lung undergo an
impressive restructuring. While immature septa are thick and contain two
capillary layers, mature septa are slender and contain a single microvascular
network. Using the Mercox® casting technique and scanning electron microscopy,
we investigated the mode and the timing of the transformation of the pulmonary
capillary bed....
A novel mechanism of capillary growth in the rat pulmonary microcirculation
Wiley - Tập 228 Số 1 - Trang 35-45 - 1990
AbstractPostnatally, the rat lung parenchyma undergoes impressive growth. Within
four months of birth, lung volume and alveolar and capillary surface areas
increase over 20‐fold and capillary volume 35‐fold. Investigation of
methacrylate casts of the pulmonary microvasculature revealed that, with age,
lung capillaries were not only growing in surface and volume but also increasing
their network de...
The prenatal development of the mouse eye
Wiley - Tập 168 Số 1 - Trang 105-125 - 1970
AbstractThe development of the eye has been studied in mouse embryos from the
ninth day through the nineteenth day of gestation. The tissue was fixed in
aldehydes, post‐osmicated and embedded in Epon. The entire eye was sectioned and
studied under the light microscope. The development of the eye in the prenatal
period is described as having seven stages. In the first stage, the close
contact of th...
Hormonal determinants of the development of masculine and feminine behavior in male and female rats
Wiley - Tập 157 Số 2 - Trang 173-180 - 1967
AbstractTo investigate the role of gonadal hormones during the postnatal period
on the development of masculine and feminine behavior 129 male and female rats
were hormonally manipulated at birth. Within 24 hours of birth male and female
rats were: (a) sham operated, (b) gonadectomized, (c) gonadectomized and given
testosterone, or (d) gonadectomized and given estrogen. When adult all animals
were...
The human cadaver in the age of biomedical informatics
Wiley - Tập 269 Số 1 - Trang 20-32 - 2002
AbstractMajor national and international critiques of the medical curriculum in
the 1980s noted the following significant flaws: (1) over‐reliance on learning
by rote memory, (2) insufficient exercise in analysis and
synthesis/conceptualization, and (3) failure to connect the basic and clinical
aspects of training. It was argued that the invention of computers and related
imaging techniques called...
Immunofluorescent localization of desmin and vimentin in developing cardiac muscle of Syrian hamster
Wiley - Tập 223 Số 4 - Trang 406-413 - 1989
AbstractThe distributions of desmin and vimentin were examined in frozen
sections of cardiac muscle from embryonic, newborn, and adult Syrian hamster by
using immunofluorescent methods. Frozen sections of newborn and adult skeletal
muscle were used for comparison. Cardiac myocytes from day 9 in utero embryos
already show a clear association of desmin with the sarcomeric myofibrils. In
newborn hear...
Spermatogenesis in a sex‐reversed female and in normal males of the domestic fowl, gallus domesticus
Wiley - Tập 70 Số 2 - Trang 155-189 - 1938
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