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Cosa (chi) è lutein$45774$ - definizione

TEMPORARY ENDOCRINE STRUCTURE IN OVARIES PRODUCING PROGESTERONE, ESTRADIOL AND INHIBIN A; THE REMAINS OF AN OVARIAN FOLLICLE THAT HAS RELEASED AN EGG
Corpus leteum; Corpus luteum hormones; Luteal cells; Theca lutein cell; Luteal; Corpora lutea; Yellow body; Granulosa lutein cell; Corpus luteum cell; Yellow bodies; Corpus lutea; Corpora luteum; Corpus Luteum; Corpus albicantia; Corpora albicantia; Lutein cyst; Corpus luetum; Corpus luteum graviditatis; Luteal cell; Corpus luteum maintenance
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  • doi-access=free}}</ref> The [[androgen]]s are shown in blue field, and [[aromatase]] at lower center – the enzyme present in granulosa lutein cells that convert androgens into [[estrogen]]s (shown in pink triangle).
  • [[Vaginal ultrasound]] showing a corpus luteum in a pregnant woman, with a fluid-filled cavity in its center

Lutein         
CHEMICAL COMPOUND
E161b; Luteine; Β,ε-carotene-3,3'-diol
·noun A substance of a strongly marked yellow color, extracted from the yelk of eggs, and from the tissue of the corpus luteum.
lutein         
CHEMICAL COMPOUND
E161b; Luteine; Β,ε-carotene-3,3'-diol
['lu:t??n]
¦ noun Biochemistry a deep yellow pigment found in plant leaves, egg yolk, and the corpus luteum.
Origin
C19: from L. luteum 'egg yolk' (neut. of luteus 'yellow') + -in1.
Theca lutein cyst         
  • CT Ovarian Cyst
  • Ultrasonography Hemorrhagic Ovarian Cyst
Theca lutein cyst is a type of bilateral functional ovarian cyst filled with clear, straw-colored fluid. These cysts result from exaggerated physiological stimulation (hyperreactio luteinalis) due to elevated levels of beta-human chorionic gonadotropin (beta-hCG) or hypersensitivity to beta-hCG.

Wikipedia

Corpus luteum

The corpus luteum (Latin for "yellow body"; plural corpora lutea) is a temporary endocrine structure in female ovaries involved in the production of relatively high levels of progesterone, and moderate levels of estradiol, and inhibin A. It is the remains of the ovarian follicle that has released a mature ovum during a previous ovulation.

The corpus luteum is colored as a result of concentrating carotenoids (including lutein) from the diet and secretes a moderate amount of estrogen that inhibits further release of gonadotropin-releasing hormone (GnRH) and thus secretion of luteinizing hormone (LH) and follicle-stimulating hormone (FSH). A new corpus luteum develops with each menstrual cycle.