Collocations for vein - noun

blue
A blue vein throbbed in his forehead.

broken (esp. BrE), spider (esp. AmE), thread (esp. BrE), varicose
She uses make-up to hide the thread veins in her cheeks.

jugular
hepatic, pulmonary, renal, etc. (all medical)

course through, flow through, pump through, race through, run through, rush through, surge through
He felt the adrenalin coursing through his veins.

cut, open, sever
The philosopher Seneca opened his veins in his bath.

inject sth into

pulse, throb
bulge, pop out, stand out
The veins stood out on her throat and temples.

… blood in sb's veins
There's a drop of Irish blood in her veins.

rich

hit, strike
The team have hit a rich vein of form recently.

mine, tap, tap into

vein of
The writer tapped into a rich vein of sentiment in the play.

in a different vein, in a lighter vein, in a more serious vein
Fortunately, the rest of the evening continued in a lighter vein.

in a related vein, in the same vein, in a similar vein