micropyle background

micropyle

/ˈmaɪ.kɹəʊˌpaɪl/ /ˈmaɪ.kɹoʊˌpaɪl/

Illustration micropyle - Image 1

noun

نقير، فتحة صغيرة

In seed-bearing plants, a small opening in the integuments of the ovule through which sperm are able to access the ovum.

Examples :

"The pollen tube grows towards the micropyle of the ovule, allowing the sperm to fertilize the egg inside and start seed development. "

ينمو أنبوب اللقاح نحو النقير في البويضة، مما يسمح للحيوانات المنوية بتخصيب البويضة بالداخل وبدء نمو البذور.

biology plant seed anatomy organ

Illustration micropyle - Image 1

noun

النقير

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.

Examples :

"The sperm cell entered the egg through the micropyle, initiating fertilization. "

دخلت الخلية المنوية إلى البويضة عبر النقير، مبدئة الإخصاب.

anatomy biology organ plant sex organism physiology seed