Organ

amniotic sac mesentery Zang-fu salt gland gastrointestinal tract placenta gill electric organ rectum syrinx glossa hollow organ spermaceti organ scrotum bud cloaca melon spathe human heart incisor Neuromast rattle malleolus sensory organ sex organ interstitium primordium penis Spicule (nematode) Lamina stinger tentacle cervix speech organ pincer fat body Siphon Stomach lung Pneumatophore Aboral organ ovipositor clitoris anastomosis rhizoid