sensory neuron morphology trait retina morphology trait amacrine cell morphology trait Any measurable or observable characteristic related to the shape, structure, color or pattern of one of the three types of interneurons found in the inner nuclear layer of the mature retina; they integrate, modulate, and interpose a temporal domain in the visual message presented to the retinal ganglion cells, with which they synapse in the inner plexiform layer. Trait.ontology VT:0005240 amacrine neuron morphology trait interneuron morphology trait