The new coronavirus disease (COVID-19) that has affected 79,731 and resulted in 2,626 deaths is the most feared virus that has hit us at the start of this new decade. It is hoped that once the flu ...

Image of the Day A light micrograph of a human egg, which is surrounded by a matrix of glycoproteins, called the zona pellucida (brown rim), and a layer of follicle cells, called the corona radiata ...

"The present publication is the fourth of a series of five researches concerning the histology and physiology of the early ovum; 2 to 7-8th week."--p. [2] siris_sil_243108 ...