< /daɪˈæs təˌsiz/.
- Medicine/Medical. the separation of normally joined parts, as in the dislocation of bones, without fracture.
- Physiology. the diastolic rest period immediately preceding systole.
noun plural -ses (-ˌsiːz)
- the separation of an epiphysis from the long bone to which it is normally attached without fracture of the bone
- the separation of any two parts normally joined
- physiol the last part of the diastolic phase of the heartbeat
- Separation of normally joined parts, such as the separation of certain abdominal muscles during pregnancy.divarication
- The last stage of diastole in the heart, occurring just before contraction and during which little additional blood enters the ventricle.