Ulcus Barrett syn — Uterus Couvelaire syn
- ulcus Barrett syn. syndr. Barrett
- ulcus cruris hypertonicum syn. syndr. Martorell (I)
- ulcus Fede-Riga syn. syndr. Fede-Riga
- ulcus hypertensivum ischaemicum syn. syndr. Martorell (I)
- ulcus Lipschutz syn. syndr. Lipschiitz
- ulcus simplex Dieulafoy syn. syndr. Dieulafoy
- upper calyx syndrome (англ.) syn. syndr. Fraley
- urethritis Waelsch syn. syndr. Reiter
- urticaria Besnier-Renault syn. syndr. Matzenauer-Polland
- urticaria gangraenosa syn. syndr. Matzenauer-Polland
- urticaria gigantica Milton syn. syndr. Quincke
- urticaria perstans chronica papulosa syn. syndr. Hyde
- urticaria perstans verrucosa syn. syndr. Hyde
- urticaria pigmentosa syn. syndr. Nettleship
- urticaria xanthelasmoidea syn. syndr. Nettleship
- uterus bicornis rudimentarius solidus partim excavatus cum vagina solida syn. syndr. Mayer-Rokitansky-Kuster
- uterus bipartitus syn. syndr. Mayer-Rokitansky-Kuster
- uterus Couvelaire syn. syndr. Couvelaire uveoencephalitis syn. syndr. Harada
