The sphincter above the diaphragm on the inferior vena cava of the common seal (Phoca vitulina L.).
D000818:Animals; D010872:Caniformia; D003964:Diaphragm; D006801:Humans; D009132:Muscles; D046049:Phoca; D046048:Seals, Earless; D014682:Vena Cava, Inferior; D014684:Venae Cavae
SEALS; VENAE CAVAE