pulsatile
adjective
pul·sa·tile ˈpəl-sə-tᵊl 
-ˌtī(-ə)l
-ˌtī(-ə)l : of or marked by pulsation
Word History
Etymology
Middle English, borrowed from Medieval Latin pulsātilis, from Latin pulsāre "to strike with repeated blows, beat, (in passive) beat wildly (of the heart)" + -tilis "subject to, susceptible to (the action of the verb)" — more at pulsate
First Known Use
1541, in the meaning defined above
Medical Definition
pulsatile
adjective
pul·sa·tile ˈpəl-sət-ᵊl -sə-ˌtīl
-sə-ˌtīl : marked by or occurring in pulsations
a pulsatile glandular secretion