What does luteal mean?
Luteal is an adjective describing something connected with the luteal phase of the menstrual cycle or with the corpus luteum, the temporary endocrine structure that forms in an ovary after ovulation. The luteal phase extends from ovulation until menstruation begins, during which the corpus luteum secretes progesterone and supports the uterine lining. The word also appears in medical terminology for conditions involving luteal function, such as luteal phase defects and luteal insufficiency. Its use is therefore mainly associated with reproductive medicine, endocrinology, and discussions of hormonal cycles. Although “luteal” is specialized rather than everyday vocabulary, it is useful because it identifies a distinct physiological period and the structures and processes associated with it. The term comes from the scientific Latin expression corpus luteum, meaning “yellow body,” a reference to the corpus luteum’s characteristic color and its role in the post-ovulatory cycle.
adjectiveRelating to the corpus luteum or to the luteal phase of the menstrual cycle. It may also describe physiological changes or disorders occurring during that phase.
- Relating to the corpus luteum or to the luteal phase of the menstrual cycle.
"The luteal phase begins after ovulation and ends with menstruation."
"Hormonal levels fluctuate during the luteal phase."
"Premenstrual dysphoric disorder is associated with changes in the luteal phase of the menstrual cycle."
Luteal means “of the yellow body”: the corpus luteum is the progesterone-producing structure named for its yellow appearance.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does luteal come from?
The adjective was formed from the scientific Latin term corpus luteum: corpus means “body,” while luteum derives from the Latin luteus, meaning “yellow.” The corpus luteum was named for its yellow appearance. Related English words such as lutein and luteous ultimately share the same Latin root for “yellow.”
How luteal is actually used
Primarily a medical and reproductive-health term. In general prose, it most often identifies the post-ovulatory portion of the menstrual cycle.