On the synapses in the ventral horns of the dog spinal cord.
D000818:Animals; D004285:Dogs / Q000033:anatomy & histology*; D013116:Spinal Cord / Q000648:ultrastructure*; D013569:Synapses / Q000648:ultrastructure*; D013570:Synaptic Membranes / Q000648:ultrastructure; D013572:Synaptic Vesicles / Q000648:ultrastructure