1. of, relating to, or located on the back or dorsal surface of an animal
Usage: technical; zoology

Examples

• The notal region of the insect was covered with fine setae.
• Notal plates form the dorsal portion of an arthropod's exoskeleton.
• The researcher examined the notal surface of the beetle under magnification.
• Notal structures vary significantly among different crustacean species.