title: Evolutionary significance of the thoracic duct.
mesh_terms: D000818:Animals; D001188:Artiodactyla; D005075:Biological Evolution; D002685:Chiroptera; D000882:Haplorhini; D010828:Physiology, Comparative; D011654:Pulmonary Edema / Q000209:etiology; D012119:Respiration; D013897:Thoracic Duct / Q000502:physiology*; D004490:Xenarthra