名詞 diastasis:

1. separation of an epiphysis from the long bone to which it is normally attached without fracture of the bone

di.as.ta.sis

n.（名詞）
【復(fù)數(shù)】 di.as.ta.ses[-sôz.]
Pathology Separation of normally joined parts, such as the separation of adjacent bones without fracture or of certain abdominal muscles during pregnancy.
【病理學(xué)】 脫離，脫臼：正常連接部分的分離。比如，在沒有骨折的情況下相連骨頭的分開或者在懷孕期間腹部肌肉的分開
Physiology The last stage of diastole in the heart, occurring just before contraction and during which little additional blood enters the ventricle.
【生理學(xué)】 心舒張后期：發(fā)生在心室充盈和心房開始收縮之間的心臟舒張休息期

來源：
Greek [separation]
希臘語 [分開]
from diistanai [to separate]
源自 diistanai [分離]
dia- [apart] * see dia-
dia- [分開] *參見 dia-
histanai [to cause to stand] * see st3-
histanai [使站立] *參見 st3-

【引伸】
di.astat.ic