Okajimas Folia Anatomica Japonica
Online ISSN : 1881-1736
Print ISSN : 0030-154X
ISSN-L : 0030-154X
74 巻, 4 号
選択された号の論文の5件中1~5を表示しています
  • Katsutomo KATO, Tamotsu OGATA, Hilda VIDAL, Yoshitaka MANABE, Yoshikaz ...
    1997 年 74 巻 4 号 p. 115-124
    発行日: 1997/10/20
    公開日: 2012/09/24
    ジャーナル フリー
    The internal orbital facial breadth (BIFMO), middle facial breadth (BIZM) and their dimensional relationship in 789 crania from 3 Peruvian and 7 East Asian series were examined to determine a Mongoloid criterion. The results confirmed that BIZM was invariably greater than BIFMO in the Peruvian and East Asian series, and dearly different from the quoted European and African populations (Ducros,1965). Further discussion, which referred to world population data by Woo and Morant (1934), showed that the relationship between BIZM and BIFMO was useful as a simple racial criterion to distinguish the Mongoloid series, except in special cases such as the Oceanians.
  • Michiya UTSUMI, Shoich EMURA, Hideo ISONO, Shizuko SHOUMURA
    1997 年 74 巻 4 号 p. 125-131
    発行日: 1997/10/20
    公開日: 2012/09/24
    ジャーナル フリー
    The ultrastructure of the parathyroid glands (PIG) of magnesium (Mg)-treated golden hamsters exposed to centrifugation at 1.2 G for 7 days was compared to that of the control, Mg-treated or centrifuged groups. In the PTG of the Mg-treated group exposed to centrifugation, the Golgi apparatus increased compared with that of the Mg-treated group, but was similar to that of the control and centrifuged groups. The cisternae of the rough endoplasmic reticulum (rER) increased compared with that of the Mg-treated group and decreased compared with that of the centrifuged group, but was the same as that of the control group. There were no significant differences among the 4 groups with regard to lysosomes, large vacuolar bodies, lipid droplets and secretory granules. These observations suggest that the rER is sensitive to centrifugation compared with the Golgi apparatus and more importantly the inhibitive effect of Mg on the synthesis of the hamster parathyroid hormone is enfeebled by centrifugation at 1.2 G.
  • Ming ZHOU, Noboru GOTO, Naruhito OTSUKA, Hiroshi MORIYAMA, Yoko NAKAMU ...
    1997 年 74 巻 4 号 p. 133-138
    発行日: 1997/10/20
    公開日: 2012/09/24
    ジャーナル フリー
    Morphometric analyses were carried out to reveal a relation between age and axonal changes in the lateral corticospinal tract (LCST) at the L1 level of the human spinal cord. Histological preparations of the spinal cord were made after embedding in celloidin to stain with Luxol fast blue-periodic acid-Schiff-hematoxylin or Kluver-Barrera methods. The number, average transverse area, total area and diameter of axons of the LCST were counted and measured using an image-analyser combined with a computer. The morphometric analyses revealed that (1) there was a significant decrease in the axonal number of the LCST with age (p<0.001); (2) the axons were not partially nor completely accompanied by surrounding myelin sheaths, and increased in number with age; (3) the diameter and average area of axons in the LCST became significandy reduced with age (p<0.01); (4) the total area decreased significantly with age in a unit area of 2,700 μm2; and (5) the circularity ratio showed no significant change with age.
  • Shoichi EMURA, Akira TAMADA, Daisuke HAYAKAWA, Huayue CHEN, Shizuko SH ...
    1997 年 74 巻 4 号 p. 139-145
    発行日: 1997/10/20
    公開日: 2012/09/24
    ジャーナル フリー
    Lung piece obtained from a female patient with psittacosis by biopsy. A nuclear bodies of five different types were observed, depending on their degree of ultrastructural development. First type showed fibrillary nudear bodies surrounded by a clear halo. Type II resembled the nudear body of type I but showed heterogeneously electron density. Type III comprised nudear bodies with a fibrillary cortex containing a central granular component These bodies were separated from the nucleoplasm by a clear halo. Type IV was characterized by a more complex structure and resembled the nuclear body of type III but with dense osmiophilic granules. Nuclear bodies of type V were comprised of numerous osmiophilic granules.
    The lung nudear bodies in psittacosis were compared to those described in the literature.
  • Ken-ichiro MUTOH, Hidekazu WAKURI, Liu BO, Kazumi TANIGUCHI
    1997 年 74 巻 4 号 p. 147-153
    発行日: 1997/10/20
    公開日: 2012/09/24
    ジャーナル フリー
    Intercalated duct cells are present in the alpha and beta islets of the chicken pancreas. The intercalated duct cells adhere to each other via intercellular junctional complexes at the apical side, projecting many microvilli and a few of cilia into the lumen. Abluminally, these cells extend slender cytoplasmic processes between islet endocrine cells. These intercalated duct cells appear to have a stellate form, and to wrap around endocrine cells with their cytoplasm. These observations suggest that intercalated ducts not only pass through the islet, but also play a role in supplying islet cells.
feedback
Top