diastasis

[dahy-as-tuh-sis] /daɪˈæs tə sɪs/
noun, plural diastases
[dahy-as-tuh-seez] /daɪˈæs təˌsiz/ (Show IPA)
1.
Medicine/Medical. the separation of normally joined parts, as in the dislocation of bones, without fracture.
2.
Physiology. the diastolic rest period immediately preceding systole.
Origin
1735-45; < Neo-Latin < Greek diástasis a separation. See dia-, stasis
British Dictionary definitions for diastasis

diastasis

/daɪˈæstəsɪs/
noun (pl) -ses (-ˌsiːz)
1.
(pathol)
  1. the separation of an epiphysis from the long bone to which it is normally attached without fracture of the bone
  2. the separation of any two parts normally joined
2.
(physiol) the last part of the diastolic phase of the heartbeat
Derived Forms
diastatic (ˌdaɪəˈstætɪk) adjective
Word Origin
C18: New Latin, from Greek: a separation, from diistanai to separate, from dia- + histanai to place, make stand
diastasis in Medicine

diastasis di·as·ta·sis (dī-ās'tə-sĭs)
n.

  1. Separation of normally joined parts, such as the separation of certain abdominal muscles during pregnancy. Also called divarication.

  2. The last stage of diastole in the heart, occurring just before contraction and during which little additional blood enters the ventricle.