What is the name of the opening created in the outer tunic for insertion of the infusion cannula for excision of vitreous?

In the word leuk/o/cyt/o/penia, the element "leuk" is the ____________________

Fill in the blank(s) with correct word

How many different healthcare specialties use SpringCharts EHR?

A. More than 25 B. More than 45 C. More than 65 D. More than 100