It is a multicultural flask - shaped structure made up of a narrow neck and a swollen base ( venter ) that contains the female gamete 頸卵器狀似長頸燒瓶,由一條細長的頸部和膨大的腹部(內(nèi)含雌性配子)組成。
The hymenium may be directly exposed to the air , as in the gills of the mushroom ( a basidiomycete ) or may open into a flask - shaped cavity , as in the perithecia of certain ascomycetes 子實層可能直接暴露于空氣,像蘑菇(擔子菌)的菌褶,也可能似瓶狀開口,如某些子囊菌的子囊殼。