Embrional rivojlanish davrlari va uning umumiy tavsifi: urug‘lanish, zigota, maydalanish, blastula, gastrulyatsiya, gistogenez, organogenez. OJMNS. 2025;2(5):88-90. Accessed February 28, 2026. https://innoworld.net/index.php/ojmns/article/view/1643