Assertion: lymphatic system's heart | /r/CapableOf | develop in fish
Facets:
Source sentences:
text: In addition, fish have deep ducts that accompany the main circulatory trunks and discharge anteriorly into the anterior cardinal veins and posteriorly into the caudal vein (where, in some fishes, the lymphatic heart develops).
text: In addition, fish have deep ducts that accompany the main circulatory trunks and discharge anteriorly into the anterior cardinal veins and posteriorly into the caudal vein (where, in some fishes, the lymphatic heart develops).