5SIKCIA E, CAPELLA C, VASSALLO G. Lead haematoxylin as a stain for endocrine cells:significance of staining and comparison with other selective methods[J]. Histochem Cell Biol, 1969,20(2) :116-126.
6HARTOFT NIELSEN M L, RASMUSSEN A K, FELDTRASMUSSEN U, et al. Estimation of number of follicles, volume of colloid and inner follicular surface area in the thyroid gland of rats[J]. JAnat,2005,207(2):117-124.
7ABDEL-MAGIED E M, TAHA A A M, ABDALLA A B. Light and electron microscopic study of the thyroid gland of the camel(Camelus dromedarius ) [J]. Anat Histol Embryol , 2000,29(6):331-336.
8ATOJI Y, YAMAMOTO Y, SUZUKI Y, et al. Ultrastructure of the thyroid gland of the one humped camel(Camelus dromedarius )[J]. Anal Histol Embryol ,1999,28(1) :23-26.
9OKADA H, SHIGETA Y, UN NO Y. C cell distribution in ovine thyroid gland[J]. Anat Histol Embryol, 1995,24 (4) : 281-284.
10KAMEDA Y. Eocalization of immunoreactive calcitonin generelated peptide in thyroid C cells from various mammalian species[J]. Anat Rec,1987,219(2) :204-212.
