MaleReproFIG 7: Ultrastructure of the male distal tip cell.

MaleReproFIG 7: Ultrastructure of the male distal tip cell.

TEM of the distal tip cell (DTC) as it forms a cap over the most distal germ cells, longitudinal view. (Image source: him5-25 [Hall] 2307.) (N) Nucleus; (NI) nucleolus; (ER) endoplasmic reticulum.