TSONDEK Berngard (Zondek Bern-hard, 1891 — 1966) is the German gynecologist and the endocrinologist.
Completed medical education in Berlin (1919). B1919 — 1926 the assistant to gynecologic clinic you Rummage in Berlin, and later the head of obstetric gynecology department of clinic in Shpandau (Berlin). After coming to power of fascists B. Tsondek emigrated from Germany. In 1934 he headed obstetric and gynecologic department in un-those Jerusalem.
In 1927 B. Tsondek together with
3. Ashgeymom for the first time found gonadotropic hormone in urine of pregnant women. It allowed them to develop a technique effective biol. reactions for definition of early durations of gestation (see. And a shgeyma — Tsondeka reaction). B. Tsondek studied many kliniko-biological questions of incretion, a role of sex hormones in physiological and pathological processes in a female body (an amenorrhea, a dysmenorrhea, a climax, infertility), phases of hormonal activity in an organism of the woman in the period of a climax and a menopause are established to them (giperfolliku-lyarny, hypohormonal and hyper-gonadotropic), the mechanism of recurrence of menstrual function, etc. is explained
to Works: Zur Funktion des Ovariums, Klin. Wschr., S. 400, 1926 (sovm. with Aschheim S.); Hypophysenvorderlappenhormon und Ova-rialhormon im Harn von Schwangeren, ibid., S. 1322, 1927 (sovm. with Aschheim S.); Biology and chemistry of sex hormones, Usp. sovr. biol., t. 2, century 4-5, page 104, 1933;
Hormone des Ovariums und des Hypophy-senvorderlappens, Wien, 1935 (Russian lane, M., 1938); Clinical and experimental investigations on the genital functions and their hormonal regulation, Baltimore, 1941.
Bibliography: Kvater E. I. Hormonal diagnosis and therapy in obstetrics and gynecology, page 151, etc., M., 1961; Biographisches Lexikon der hervorra-genden Arzte, hrsg. v. I. Fischer, Bd 2, S. 1728, B. — Wien, 1933.