Explain the initiation and regulation of labor contraction including all organs and hormones (and hormone-like molecules)...

60.1K

Verified Solution

Question

Medical Sciences

Explain the initiation and regulation of labor contractionincluding all organs and hormones (and hormone-like molecules) thatparticipate in the process. Describe the positive feedbackmechanism of labor contractions. Why do you think the slowintravenous injection of synthetic oxytocin (PitocinÂ®) can be usedto induce parturition (childbirth)? After childbirth,pituitary-derived oxytocin also triggers milk ejection. What is theinitial stimulus for the secretion of oxytocin? What is the targetcell type of oxytocin in the mammary gland? For parturition, whichlayer of the uterus does this hormone act on?

Answer & Explanation Solved by verified expert

3.9 Ratings (615 Votes)

Ans Initiation and regulation of labour The exact sequence of events that leads to uterine contractions is still largely unknown Some studies suggest mechanical stretch and hormones work together to initiate contractions in normal laborHowever due to the role of inflammation in preterm labor other studies suggest that inflammatory mediators such as cytokines and prostaglandins initiate uterine contractions Mechanical stretch Mechanical stretch refers to tension on myometrial cells as the uterus distends The physical stretching of the uterus causes an influx of ions namely sodium and See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member