A lot vs. Alot: 9 Grammatical Pitfalls
diastasis di·as·ta·sis (dī-ās'tə-sĭs)
Separation of normally joined parts, such as the separation of certain abdominal muscles during pregnancy. Also called divarication.
The last stage of diastole in the heart, occurring just before contraction and during which little additional blood enters the ventricle.