خَلَقَ الْإِنسَانَ مِن نُّطْفَةٍ فَإِذَا هُوَ خَصِيمٌ مُّبِينٌ
He created man from a drop of [seminal] fluid, and, behold, he is an open contender!
Agha Ali Puya Commentary
Commentary on Quran 16:4
[Pooya/Ali Commentary 16:4] Nutfah here means a drop of sperm - generative substance. This verse was revealed when Ibn Ubayy brought some bones and asked the Holy Prophet: "Who could bring these to life again?"