Persistence of a functioning bulbus cordis homologue in the turtle heart.
D000818:Animals; D006321:Heart / Q000033:anatomy & histology*; D006652:Histological Techniques; D006801:Humans; D012104:Reptiles / Q000033:anatomy & histology*; D014426:Turtles
HEART/anatomy and histology; REPTILES/anatomy and histology