trunk     
 N [tronco (de árbol)] trunk, trunks

Adj ~ dorsal ~
  The dorsal trunk and the visceral branches are basically not affected.

 N [tronco (de un cuerpo)] trunk, trunks

~ N ~ (and) head, ~ (and) tail
  Separate genetic mechanisms for the formation of trunk and tail may have been at work.

 N [tronco (parte principal de un vaso sanguíneo)] trunk, trunks

~ N ~ varices
  In many patients there was a significant relation between trunk varices and the symptoms of heaviness.