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Volume 54 (1977 - 197･･･
- Issue 6 Pages 317-
- Issue 5 Pages 259-
- Issue 4 Pages 195-
- Issue 2-3 Pages 97-
- Issue 1 Pages 1-
Predecessor
Volume 54, Issue 4
Displaying 1-4 of 4 articles from this issue
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Yoshikuni Ohta, Takao Tokioka, Hitoshi Okuda, Fumihiko Suwa1977 Volume 54 Issue 4 Pages 195-204
Published: 1977
Released on J-STAGE: September 24, 2012
JOURNAL FREE ACCESSPassageways within the sp l enic sheath of the pig was studied by means of the plastic injection method. On the luminal wall of the sheathed central vessel, the longitudinal retractions were seen, and a row of stigmata left each bottom of the retractions in almost regular intervals. The fenestration continued as a passageway which radiated in all directions within the sheath. The passageways communicated with one another, but morphologically different from the reticular space of the red pulp. Each terminal of the passageways became enlarged, and anastomosed with adjacent ones inside the limiting fibrous membrane. Then, they communicated with the periglumaous space, not all around the sheath but in a few area. These findings were obtained on the injected materials into the splenic artery and vein in both fresh and fixed spleens.View full abstractDownload PDF (3853K) -
Isamu Takagi, Keiki Yamada1977 Volume 54 Issue 4 Pages 205-227
Published: 1977
Released on J-STAGE: September 24, 2012
JOURNAL FREE ACCESSAs a study in comparative anatomy an electron microscopic study of the ultimobranchial body of the crucian carp, one of teleostei, was conducted and the following results were obtained:
1. The ultimobranchial body of the crucian c a rp forms a lobule which has a follicular or cord-like arrangement and is enclosed by abundant fibrillar connective tissues and blood capillaries.
2. A follicle measures 30 to 55 μ and a num b er of microvilli are projecting into the follicular lumen. Some cell detritus can be observed within the lumen.
3. A follicle generally consists of three kinds of cells: light cells, semi-dark cells, and dark cells.
4. Both cytoplasm and nucleus of the light cells have circular to elliptical shapes. Within the cytoplasm, which appears heterogeneous, thin rough-surfaced endoplasmic reticulum are scattered about and granules of 0.2 to 0.3 μ of varying shades can be found. The Golgi apparatus often shows a figure indicating a possible production of the granules.
5. The dark cells penetrate deeply into the gaps between the light cells and also enclose the follicular lumen. The nucleus and cytoplasm of these dark cells are irregularly shaped and the nucleus occupies most of the cytoplasm. Occasionally, granules measuring 0.5 to 1.0 μ can be found in the cytoplasm of the dark cells. Cellular interdigitations and desmosomes are commonly found at the apical border of the dark cells.
6. The semi-dark cells have a number of similarities to the light cells. But they possess more cytoplasmic granules than the light cells.
7. Some of the cells adjacent to the basal borderbeing differ e nt from the above-mentioned three kinds of cellspossess a large number of granules measuring 0.2 to 0.4 μ. A nucleolus is extremely distinct and rough-surfaced endoplasmic reticulum and mitochondria also have clear shapes. The cells show a great similarity to parafollicular cells of the mammals.View full abstractDownload PDF (6461K) -
Takashi Yamadori1977 Volume 54 Issue 4 Pages 229-245
Published: 1977
Released on J-STAGE: September 24, 2012
JOURNAL FREE ACCESSThe projection of the main optic tract was studied in the rat by using a new selective silver impregnation method. The projection area s were the ventral and dorsal nuclei of the lateral geniculate body, An Experimental pretectal area, posterior part of the lateral thalamic nucleus, superior colliculus and possibly zona incerta on the contralateral side, as well as the ventral and dorsal nuclei of the lateral geniculate body, pretectal area and circumscribed region of the superior colliculus on the ipsilateral side. The detail of the projection in each area was described.View full abstractDownload PDF (4169K) -
Susumu Tomonaga1977 Volume 54 Issue 4 Pages 247-257
Published: 1977
Released on J-STAGE: September 24, 2012
JOURNAL FREE ACCESSIntracellular localization of anti-HRP in the antibody-forming cells of popliteal lymph nodes of mice was studied by the direct immunoperoxidase technique. Special attention was paid to the morphological and functional relationships of two cisternal systems: the perinuclear cisterna and the rough endoplasmic reticulum.View full abstractDownload PDF (2970K)
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