1) Pulsating 2) Throbbing 
• (a.) Capable of being struck or beaten; played by beating or by percussion; as, a tambourine is a pulsatile musical instrument. • (a.) Pulsating; throbbing, as a tumor.
Throbbing or beating. ... (05 Mar 2000) ... 
(pul´sә-tīl) characterized by a rhythmic pulsation.
Pul'sa·tile adjective [ Confer Italian pulsatile , Spanish pulsatil .] 1. Capable of being struck or beaten; played by beating or by percussion; as, a tambourine is a pulsatile musical instrument. 2. Pulsating; throbbing, as a tumor. 
Type: Term Pronunciation: pŭl′să-tīl Definitions: 1. Throbbing or beating.
beating, as in a pulsatile mass
pulsating; throbbing.