Preferred Label : spiral valve of conus arteriosus;
Uberon definition : The spiral valve alternately blocks & unblocks the entrances to the left and right
pulmonary arches (sending unoxygenated blood to the skin & lungs).;
Uberon Taxon note : The spiral valve is considered to have evolved from the right member of the four embryonic
endocardial ridges (Goodrich, 1930 - via Morris 1974);
Origin ID : 0010018;
part of
The spiral valve alternately blocks & unblocks the entrances to the left and right
pulmonary arches (sending unoxygenated blood to the skin & lungs).
