[1] Cornell Univ, Labs Anat, New York, NY USA
[2] Cornell Univ, Labs Anat, Ithaca, NY USA
[3] Cornell Univ, Labs Histol, New York, NY USA
[4] Cornell Univ, Labs Histol, Ithaca, NY USA
[5] Cornell Univ, Labs Embryol, Ithaca, NY USA
[6] Cornell Univ, Labs Embryol, New York, NY USA