plural of saddle vein

(mineralogy, Australia) A saddle-shaped bedded mineral vein in the form of an anticline or a syncline (an inverted saddle).

(usually in the plural, informal, medicine) A blood vessel affected by telangiectasia.

plural of spider vein

(informal, medicine) telangiectasia

portal vein

(mining) A sort of iron ore, found in loose masses of a globular form, containing sparkling particles.

Quartz occurring as gangue in a vein.

plural of jugular vein

plural of axillary vein