Image of the Day: Sperm Protectors

Among their many functions, macrophages in mouse testes guard sperm against attacks by other immune cells. 

Aug 18, 2017
The Scientist Staff

A confocal micrograph depicting a newborn mouse testis, with macrophages in green and seminiferous tubules—structures that contain sperm-producing cells—in red.© NOUSHINE MOSSADEGH-KELLER AND SÉBASTIEN MAILFERT / CIMLSee N. Mossadegh-Keller et al., “Developmental origin and maintenance of distinct testicular macrophage populations,” The Journal of Experimental Medicinedoi:10.1084/jem.20170829, 2017.