connects
develops from
Homo sapiens
extraembryonic structure
embryo
placenta
umbilical cord
http://upload.wikimedia.org/wikipedia/commons/f/f3/Umbilicalcord.jpg
https://ccf-ontology.hubmapconsortium.org/objects/v1.2/VH_F_Placenta.glb
See notes for connecting stalk
umbilical
connecting stalk