name mesonephros namespace http://cytomer.bioinf.med.uni-goettingen.de# parent element_of_embryonic_urogenital_system parent urine_organ comment [en] These large, elongated excretory organs appear late in the fourth week, caudal to the rudimentary pronephroi. The mesonephroi are well developed and function as interim kidney for approximately four weeks, until the permanent kidneys develop (stage 17). label [en] mesonephroi label [de] Vorläuferstruktur der fetalen Niere ACC [] cy0052358 comment [de] Die Urniere erscheint in der späten vierten Entwicklungswoche kaudal der Vorniere. Die Urniere produziert Urin, und erhält diese Produktion aufrecht, bis ca. 4 Wochen später die Nachniere erscheint (Stadium 17). nameGermanSynonym [] Mesonephron. Urniere isPartOf Carnegie_Stage_13 differentiatesInto part_of_adrenal_gland differentiatesInto efferent_ducts_of_testis differentiatedFrom nephric_cord isPartOf Carnegie_Stage_10 hasPart non-tubular_part_of_mesonephros hasPart associated_mesenchyme_of_mesonephros hasPart tubule_of_primitive_nephron isPartOf Carnegie_Stage_12 differentiatesInto rete_testis differentiatesInto http://cytomer.bioinf.med.uni-goettingen.de/cell#Sertoli_cell isPartOf Carnegie_Stage_14 isPartOf Carnegie_Stage_18 differentiatedFrom nephrotome isPartOf Carnegie_Stage_11 isPartOf Carnegie_Stage_17 hasPart glomerulum_of_primitive_nephron differentiatesInto fetal_Leydig_cell isPartOf Carnegie_Stage_15 differentiatesInto http://cytomer.bioinf.med.uni-goettingen.de/cell#Leydig_cell_of_testis isPartOf Carnegie_Stage_16 hasPart component_of_mesonephroi