external ophthalmoplegia n.
Paralysis affecting one or more of the extrinsic eye muscles.
- External phase
external phase n. See dispersion medium.
- External pudendal vein
external pudendal vein n. Any of the veins that correspond to the external pudendal arteries, empty into the great saphenous vein or into the femoral vein, and receive the superficial dorsal veins of the penis or clitoris and the anterior scrotal or labial veins.
noun, Philosophy. 1. a relation between any two entities such that if they had not been in this relation to each other, the nature of each would not necessarily have been different.
- External respiration
external respiration n. The exchange of respiratory gases in the lungs.