Synaptic transmission is the biological process by which a neuron communicates with a target cell across a synapse. Chemical synaptic transmission involves the release of a neurotransmitter from the ...

Spermiation—the release of mature spermatozoa from Sertoli cells into the seminiferous tubule lumen—occurs by the disruption of an anchoring device known as the apical ectoplasmic specialization ...

The Minnesota Democrat on the battle between his city and the federal government. By Lulu Garcia-Navarro As I grew older, things about my family’s history began to seem … off. By Kwame Anthony Appiah ...