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vasoligation
vasoligation n. 
/ˌvasə(ʊ)lʌɪˈɡeɪʃn/, /ˌvæsoʊˌlaɪˈɡeɪʃ(ə)n/ Surgery ligation of a vessel, esp. of the vasa deferentia.
Brit. /ˌveɪzə(ʊ)lʌɪˈɡeɪʃn/
, /ˌveɪzə(ʊ)lʌɪˈɡeɪʃn//ˌvasə(ʊ)lʌɪˈɡeɪʃn/U.S. /ˌveɪzoʊˌlaɪˈɡeɪʃ(ə)n/
, /ˌveɪzoʊˌlaɪˈɡeɪʃ(ə)n//ˌvæsoʊˌlaɪˈɡeɪʃ(ə)n/ΘΚΠ
the world > health and disease > healing > medical treatment > surgery > operations on specific parts or conditions > [noun] > operations on sex organs > operations on male sex organs > for sterilization
vasectomy1897
vasoligation1926
1926 W. N. Berkeley Princ. & Pract. Endocrine Med. ix. 299 Vasectomy or vasoligation in old men is said..to cause atrophy of the sperm mechanism of the testis.
1932 C. R. Moore in E. Allen Sex & Internal Secretions vii. 314 There is no acceptable evidence that vasectomy or vasoligation has any rejuvenating effect.
1973 Washington Post 13 Jan. a–8/4 The experiments involved the use of the vasectomy technique, or a closely related one called ‘vasoligation’, to close off the two tiny ducts that carry the male spermatozoa.
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