Structure of putative epidermal sensory receptors in an acoel flatworm, Praesagittifera naikaiensis.

ABSTRACT: Acoel flatworms possess epidermal sensory-receptor cells on their body surfaces and exhibit behavioral repertoires such as geotaxis and phototaxis. Acoel epidermal sensory receptors should be mechanical and/or chemical receptors; however, the mechanisms of their sensory reception have not been elucidated. We examined the three-dimensional relationship between epidermal sensory receptors and their innervation in an acoel flatworm, Praesagittifera naikaiensis. The distribution of the sensory receptors was different between the ventral and dorsal sides of worms. The nervous system was mainly composed of a peripheral nerve net, an anterior brain, and three pairs of longitudinal nerve cords. The nerve net was located closer to the body surface than the brain and the nerve cords. The sensory rec

SUBMITTER: Sakagami T 

PROVIDER: S-EPMC10904500 | biostudies-literature | 2024 Mar

REPOSITORIES: biostudies-literature