Skeen L C, Rolon R R
Neurosci Lett. 1982 Dec 13;33(3):223-8. doi: 10.1016/0304-3940(82)90375-5.
Unilateral injections of horseradish peroxidase and radioactive amino acids in the olfactory bulbs of soft shell turtles revealed unique pathways for interbulbar communication. The two olfactory bulbs exchange dendrites and axons directly through their fused external plexiform and internal plexiform laminae.