英语语法分析

After ovulation, spermiation or natural degeneration, the volume of gonad was smaller in stage VI.

在排卵期、精子化期或自然退化期，性腺体积变小。

This doctor is experienced in treating gonad diseases.

这位医生对治疗生殖腺疾病非常有经验。

If SRY is missing, the gonad develops into an ovary, even if the embryo is male.

如果SRY基因缺失，即使胚胎是男性的，其性腺也会发育成卵巢。