Transformation of the mature ovarian follicle and its theca interna into a corpus luteum after ovulation; formation of luteal tissue, which appears yellow in some species.

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lu·tein·iza·tion or chiefly Brit lu·tein·isa·tion .lüt-ē-ən-ə-'zā-shən, .lü-.tēn- n the process of forming corpora lutea
lu·tein·ize also Brit lu·tein·ise 'lüt-ē-ə-.nīz, 'lü-.tē-.nīz vb, -ized also Brit -ised; -iz·ing also Brit -is·ing

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lu·te·in·iza·tion (loo″te-in″ĭ-zaґshən) the process by which a postovulatory ovarian follicle transforms into a corpus luteum through vascularization, follicular cell hypertrophy, and lipid accumulation, the latter in some species giving the yellow color indicated by the term.

Luteinization, beginning after rupture of the ovarian follicle in ovulation (A) and progressing through vascularization and hypertrophy of the maturing corpus luteum (B, C); it is followed by regression (D) to the corpus albicans (E).

Medical dictionary. 2011.

Look at other dictionaries:

  • luteinization — (Amer.) n. (Biochemistry) formation of a corpus luteum (yellow ovarian body), luteinisation …   English contemporary dictionary

  • luteinization — noun Date: 1929 the process of forming corpora lutea • luteinize verb …   New Collegiate Dictionary

  • luteinization — See luteinize. * * * …   Universalium

  • luteinization — lu·te·in·ization …   English syllables

  • luteinization — ˌ ̷ ̷ ̷ ̷ənə̇ˈzāshən, ˌnīˈz noun ( s) Etymology: International Scientific Vocabulary lutein + ization : the process of luteinizing …   Useful english dictionary

  • luteinize — luteinization, n. /looh tee euh nuyz /, v., luteinized, luteinizing. v.t. 1. to produce corpora lutea in. v.i. 2. to undergo transformation into corpora lutea. Also, esp. Brit., luteinise. [1925 30; LUTEIN + IZE] * * * …   Universalium

  • luteinizations — luteinization (Amer.) n. (Biochemistry) formation of a corpus luteum (yellow ovarian body), luteinisation …   English contemporary dictionary

  • Ovarian hyperstimulation syndrome — Classification and external resources ICD 10 N98.1 ICD 9 xxx …   Wikipedia

  • Mothers against decapentaplegic homolog 4 — SMAD family member 4 PDB rendering based on 1dd1 …   Wikipedia

  • hyperthecosis — Diffuse hyperplasia of the theca cells of the graafian follicles. stromal h. condition in which luteinized cells are present in ovarian stroma at a distance from follicular structures. * * * hy·p …   Medical dictionary

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