STUDY ON MICROTUBULES IN SPERMIOGENESIS OF THE DOMESTIC DUCKS

【摘要】 <正> Ⅰ. INTRODUCTION Ever since Sabatini improved on the fixing method for the electron microscope with glutaradehyde instead of osmic acid and permanganate potassinm, the microtubules have been generally found in eukaryocytes, as reported by Tilney and Heplar et al. A microtubule is a fine tubule of about 210—270 in diameter and it is an important cell organelle, supporting the cells and making them move. It is said to be "the skeleton更多还原