corpus luteum
Học thuậtThân thiện
Definition
- Noun:
- Yellow endocrine tissue that forms in a ruptured Graafian follicle after the release of an ovum; it degenerates after a few days unless pregnancy has begun: The corpus luteum is a temporary endocrine structure in the female ovary, crucial for the menstrual cycle and early pregnancy.
Usage Examples
- Noun:
- The corpus luteum secretes progesterone to prepare the uterine lining for a potential pregnancy.
- If fertilization does not occur, the corpus luteum will degenerate, leading to menstruation.
Advanced Usage
- "Maintenance of the corpus luteum": In early pregnancy, the hormone hCG signals the corpus luteum to continue producing progesterone.
- The maintenance of the corpus luteum is essential during the first trimester.
Variants and Related Words
- Luteal phase (n): The phase of the menstrual cycle following ovulation, during which the corpus luteum is active.
- Progesterone levels rise during the luteal phase.
Synonyms
- Yellow body: A direct descriptive synonym for corpus luteum, derived from its Latin meaning.
Related Terms and Phrases
- Corpus luteum cyst: A type of ovarian cyst that can form if the corpus luteum fills with fluid and persists.
- A corpus luteum cyst is usually harmless and resolves on its own.
- Luteolysis: The process of degeneration of the corpus luteum.
- Luteolysis is triggered by prostaglandins when pregnancy does not occur.
Noun
- yellow endocrine tissue that forms in a ruptured Graafian follicle following the release of an ovum; it degenerates after a few days unless pregnancy has begun