ventral suture

例句：

1. 1.The ventral suture is the line that separates the forelimbs and hindlimbs in a snake.
   腹侧缝合线是蛇的前肢和后肢之间的分界线。
2. 2.In humans, the ventral suture is the line that separates the front and back sides of the brain.
   在人类中，腹侧缝合线是大脑前部和后部之间的分界线。
3. 3.The ventral suture is also called the anterior fontanelle, which is where the skull meets the brain.
   腹侧缝合线也被称为前囟门，这是颅骨与大脑的交接处。