Preferred Label : Primary Lymph Sac;
NCIt definition : Any of six primary lymph sacs (two jugular lymph sacs, two iliac lymph sacs, one retroperitoneal
lymph sac and one cisterna chyli) found during the embryonic period that are the first
precursors of lymph node and lymph vessel development.;
Origin ID : C34262;
UMLS CUI : C1514424;
Anatomic structure is physical part of
Contains anatomical structure(s)
Semantic type(s)