1.卵泡;卵囊
2.受卵器
1.a sac or capsule in the ovary of a mammal that contains a mature ovum.
1.The form, size, colour, initial components and sporogenes is time, etc of ovisac were observed and studied.
观察、研究了卵囊的形态、大小、颜色、内部构造及孢子化时间等。