Gigantocellular reticular nucleus Tags: Anatomical Structure, Brain.The gigantocellular nucleus as the name indicates is mainly composed of the so-called giant neuronal cells. This nucleus has been known to innervate the caudal hypoglossal nucleus and responds to glutamateric stimuli. brain info number 727 brain info type hier Dorlands prefix n_11 Dorlands suffix 12581282 Learn more... Loading...