Figure 14From: Invertebrate neurophylogeny: suggested terms and definitions for a neuroanatomical glossaryExplanation of basic nervous system terminology. Receptors are receptor cells or sensory organs, e.g., eyes, olfactory sensilla, or mechanosensilla. Effectors are, e.g., muscles, glands, or the fat body. Original: S. Harzsch, C.M. Heuer.Back to article page