name	parts_of_placenta
namespace	http://cytomer.bioinf.med.uni-goettingen.de#
parent	 extraembryonic_component 
parent	 element_of_embryonic_endocrine_system 
child	 trophoblastic_lacunae 
child	 chorionic_villi 
child	 mesoblastic_core_of_primary_villi 
child	 mesoblastic_core_of_secondary_villi 
child	 mesoblastic_core_of_tertiary_villi