Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Intestine morphology changes during defecation and mating. Intestinal lumen shape is highlighted in yellow. Dorsal is to the top, posterior to the right. Scale bar = 50 µm. Images of hermaphrodite (A) and male (B) tails during defecation motor program. Arrows in Exp images point to waste being expelled. (C) Images of male tail during male mating steps. aBoc, anterior body wall contractions; exp, expulsion; pBoc, posterior body wall contractions.
