diastasis

di·as·ta·sis  (d-st-ss)

n. pl. di·as·ta·ses (-sz)

1. Pathology Separation of normally joined parts, such as the separation of adjacent bones without fracture or of certain abdominal muscles during pregnancy.

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

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[Greek, separation, from diistanai, to separate : dia-, apart; see dia- + histanai, to cause to stand; see st- in Indo-European roots.]

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dia·static (d-sttk) adj.

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diastasis [daɪˈæstəsɪs]

n pl -ses [-ˌsiːz]

1. (Medicine / Pathology) Pathol

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

b.  the separation of any two parts normally joined

2. (Life Sciences & Allied Applications / Physiology) Physiol the last part of the diastolic phase of the heartbeat

[New Latin, from Greek: a separation, from diistanai to separate, from dia- + histanai to place, make stand]

diastatic  [ˌdaɪəˈstætɪk] adj

Thesaurus

Noun

1.

diastasis - separation of an epiphysis from the long bone to which it is normally attached without fracture of the bone dislocation - a displacement of a part (especially a bone) from its normal position (as in the shoulder or the vertebral column)