oxytocin
Học thuậtThân thiện
Definition
- Noun:
- A hormone: Oxytocin is a hormone produced by the hypothalamus and secreted by the posterior pituitary gland.
- Physiological functions: It stimulates smooth muscle contractions, primarily in the uterus during childbirth and in the mammary glands to facilitate milk ejection (let-down reflex) during breastfeeding.
Usage Examples
- Noun:
- The doctor administered oxytocin to induce labor.
- Oxytocin release is crucial for the mother-infant bond during breastfeeding.
- Research is exploring oxytocin's role in social bonding and trust.
Advanced Usage
- "Oxytocin receptor": A protein on cell surfaces that oxytocin binds to in order to exert its effects.
- Genetic variations in the oxytocin receptor may influence social behavior.
- "Oxytocinergic" (adj): Relating to or involving neurons that use oxytocin as a neurotransmitter.
- The study focused on oxytocinergic pathways in the brain.
Variants and Related Words
- Pitocin (n): A common trade name for synthetic oxytocin used in medicine.
- Oxytocic (adj): Describing a substance that stimulates uterine contractions, like oxytocin.
Synonyms
- Hormone: A regulatory substance (oxytocin is a specific type of hormone).
- Pitocin: The trade name, used specifically in medical contexts.
Related Phrases
- "The love hormone": An informal nickname for oxytocin due to its association with bonding, trust, and affection.
- Oxytocin, often called "the love hormone," is released during hugs.
- "Milk let-down reflex": The process oxytocin triggers to release milk from the mammary glands.
- The baby's cry can trigger the milk let-down reflex via oxytocin release.
Noun
- hormone secreted by the posterior pituitary gland (trade name Pitocin); stimulates contractions of the uterus and ejection of milk