...Heidi Pye Henninger; Winsor H. Watson, III SUMMARY American lobsters produce carapace vibrations, which also lead to waterborne acoustic signals, by simultaneously contracting the antagonistic remotor and promotor muscles located at the base of the second antenna. These vibrations have a mean...

...P. Chavez-Crooker; N. Garrido; G. A. Ahearn ABSTRACT The hepatopancreas of the American lobster ( Homarus americanus ) possesses four types of epithelial cells arranged along blind-ended tubules. At the distal tips of these tubules, stem cells termed E-cells differentiate into three other cell...