noun🔗Share珠孔, 小孔In seed-bearing plants, a small opening in the integuments of the ovule through which sperm are able to access the ovum."The pollen tube grows towards the micropyle of the ovule, allowing the sperm to fertilize the egg inside and start seed development. "花粉管は胚珠の珠孔に向かって成長し、精子が内部の卵を受精させ、種子の発育を開始できるようにします。biologyplantseedanatomyorganChat with AIVocabulary GamePractice Reading
noun🔗Share小孔The hilum of an ovum at the point of attachment to the ovary; any opening in the coverings of an ovum by which spermatozoa may find entrance."The sperm cell entered the egg through the micropyle, initiating fertilization. "精子は小孔を通って卵に入り、受精を開始した。anatomybiologyorganplantsexorganismphysiologyseedChat with AIVocabulary GamePractice Reading
