epithelial cell (worm) muscle cell (worm) neuron (worm) cell (worm) interneuron (worm) GABAergic neuron (worm) motor neuron (worm) coelomocyte (worm) sensory neuron (worm) arcade cell (worm) excretory cell (worm) dopaminergic neuron (worm) germ cell (worm) oocyte (worm) sperm (worm) spermatocyte (worm) spermatid (worm) glutamatergic neuron (worm) serotonergic neuron (worm) cholinergic neuron (worm) embryonic cell (metazoa) (worm) Caenorhabditis hypodermal cell (worm) multinucleate cell (worm) polar body (worm)