Podcast
Questions and Answers
What is the main function of oxytocin in the mammary gland?
What is the main function of oxytocin in the mammary gland?
- Stimulate contractions of the reproductive tract
- Aid sperm transport during ejaculation
- Regulate pair-bond formation
- Induce contraction of myoepithelial cells to force milk into ducts (correct)
Which reflex is associated with suckling by the newborn at the teats or nipple?
Which reflex is associated with suckling by the newborn at the teats or nipple?
- Unconditioned reflex or Ferguson reflex (correct)
- Luteolysis reflex
- Neurotransmitter reflex
- Conditioned reflex or Ferguson reflex
What is oxytocin's role in luteolysis?
What is oxytocin's role in luteolysis?
- Essential for regression of corpus luteum in case of failure of pregnancy (correct)
- Stimulate contractions of the reproductive tract
- Regulate pair-bond formation
- Induce sperm transport during ejaculation
Which process involves oxytocin being released during ejaculation?
Which process involves oxytocin being released during ejaculation?
What additional function is oxytocin known for, beyond its role in milk let down?
What additional function is oxytocin known for, beyond its role in milk let down?
Which receptor is activated by oxytocin leading to calcium influx into the cell?
Which receptor is activated by oxytocin leading to calcium influx into the cell?
What is the primary stimulus for the release of oxytocin during labor?
What is the primary stimulus for the release of oxytocin during labor?
What physiological function does oxytocin serve in birds?
What physiological function does oxytocin serve in birds?
Which gland stores oxytocin after its synthesis by hypothalamic neurons?
Which gland stores oxytocin after its synthesis by hypothalamic neurons?
What is the key target of calcium ions that influx into the cell upon oxytocin activation?
What is the key target of calcium ions that influx into the cell upon oxytocin activation?
During the second and third stages of labor, what forms a positive feedback loop enhancing uterine contractions?
During the second and third stages of labor, what forms a positive feedback loop enhancing uterine contractions?
