rachis genitalis

例句：

1. 1. The testicles are connected to the rachis of the penis by a thin band of tissue called the tunica vaginalis.
   睾丸通过一条称为阴蒂筋膜的薄组织与阴茎的韧带相连。
2. 2. In humans, the rachis of the penis is attached to the scrotum through a fibrous cord known as the fasciculus deferens.
   在人类中，阴茎的韧带通过一个称为输精管的纤维束附着在阴囊上。
3. 3. During sexual intercourse, the rachis of the penis can be stretched and pulled, causing pain and discomfort.
   性交时，阴茎的韧带可能会被拉伸和拉动，导致疼痛和不适。