rostellum

There were 4 suckers and a moveable rostellum on the scolex , moreover , two cycles of granular structure were found in seven scolex .

囊尾蚴活体观察可见头节上4个吸盘和活动的顶突。压片染色镜检，头节有4个吸盘和顶突，顶突周围发现不完整的两圈点状结构。

Some features and distribution of the grooves on the tegument , microtrichia , rostellum , suckers , craspedotes , and sensilla of the adults were observed .

叙述二种综虫体表的沟纹、微毛、顶突、吸盘、覆叠链体、感觉器等的特征和分布情况。

Rudimentary rostellum was found obviously in 3 of 10 scolices of the worms from Duyun .

染色观察都匀牛带绦虫10个头节中有3个明显可见发育不良的顶突。