or *Vena Porta*, in anatomy, a large vein distributed through the liver in the manner of an artery. See *Anatomy*, §96.

**Porta-Angustia** (anc. geog.), mentioned only by Ptolemy; a town of the Vaecei in the Hither Spain; thought by some to be *Torre Quemada*, in Old Castile; by others *Los Valvazos*, a village between Burgos and Torre Quemada.

**PORTÆ-ROMANÆ** (anc. geog.), according to Pliny, Romulus left but three, or at most four, gates of Rome; afterwards, on enlarging the Pomoria, or compass of the city, they amounted to 37.