Male infertility is a complex medical condition that affects millions of couples worldwide. Infertility is defined as the inability of a couple to conceive after one year of regular, unprotected ...

Presence of accessory glands in the male reproductive system was observed on the different lineages of Corydoradinae (Tab. 1). Based on Tab. 1, it is observed that at least one species of each lineage ...

Title: Elements of Astronomy including the Solar System with the new discovered Planet the Georgium Sidus. See System of Astronomy. The illustration shows the following planets: Mercury, Venus, Earth, ...