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李钟杰. 白鱀豚甲状腺及甲状旁腺的初步研究[J]. 水生生物学报, 1985, 9(2): 171-175.
引用本文: 李钟杰. 白鱀豚甲状腺及甲状旁腺的初步研究[J]. 水生生物学报, 1985, 9(2): 171-175.
Li Zhongjie. A PRELIMINARY STUDY ON THE THYROID AND PARATHYROID GLAND OF CHINESE RIVER DOLPHIN (LIPOTES VEXILLIFER)[J]. ACTA HYDROBIOLOGICA SINICA, 1985, 9(2): 171-175.
Citation: Li Zhongjie. A PRELIMINARY STUDY ON THE THYROID AND PARATHYROID GLAND OF CHINESE RIVER DOLPHIN (LIPOTES VEXILLIFER)[J]. ACTA HYDROBIOLOGICA SINICA, 1985, 9(2): 171-175.

白鱀豚甲状腺及甲状旁腺的初步研究

A PRELIMINARY STUDY ON THE THYROID AND PARATHYROID GLAND OF CHINESE RIVER DOLPHIN (LIPOTES VEXILLIFER)

  • 摘要: 本文是8头白鱀豚(Lipotes vexillifer)的甲状腺及甲状旁腺的初步研究结果。白鱀豚甲状腺的解剖学和组织学结构与其它海豚相似。其甲状腺滤泡呈圆形或椭圆形,滤泡胶质嗜酸性,滤泡平均直径为106.4微米,滤泡上皮平均高为9.4微米,滤泡旁细胞平均直径为11.0微米。甲状旁腺分布在甲状腺的腹侧面或前、后方,其上皮细胞被结缔组织分隔成团索状。文中并讨论了白鱀豚甲状腺的一些组织形态变化。

     

    Abstract: The thyroid glands of eight chinese river dolphins (Lipotes vexillifer)were investigated. The thyroid of Lipotes is similar to that of the other species. The gland is a V-shaped bilobed structure. The hind ends of both lobes interconnect to a narrow isthmus. The right lobe is a little smaller than the left. In all specimens, body length is 166—244 cm, the weight of thyroid gland is 15.5—29 g. Ratio of thyroid gland weight to body weight is 0.22 g/kg. The shape of follicle is round or oval. Its average diameter is 106.4±18.7μ, and the largest one reaches 6.4 mm. The follicle epithelial cells are cubical, 6.9—14.8μ, in height and the colloid is even and eosinophil. The average diameter of parafollicular cells is 11.0μ. The histological change of thyroid in relation to different physiological condition is discussed.Three parathyroid glands were found, two situated on the ventral surface of right lobe of thyroid, another being in front of left lobe. Their shape is flat oval, and size is 0.6—1.0×0.3—0.5 cm, with 0.2 cm in thickness. The gland is divided by connective tissue septa, forming many masses and cords of epithelial cells. The mean diameter of epithelial cells is 9.7μ.

     

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