Repro Flashcards
how many sperm are produced per day?
300million
How many sperm are produced per second, per testicle?
1500 per second per testicle
Does fertility change in males?
gradual decline with age
What is fertility like in females?
14/15 - 40 years old
How many follicles are ovulated?
400
How many sperm are in one egg?
175,000 sperm per egg
When is the optimum sperm quality?
20-45 years
When is the optimum follicle quality?
narrower range
upwards of 30 leads to complications
What are the main water soluble hormones?
GnRH LH and FSH catecholamines (E and NE) peptides proteins oxytocin (protein hormone)
What type of hormone is oxytocin and ADH?
protein hormone
-as they are water soluble (proteins and peptides)
What are the main lipid soluble hormones?
steroid hormones cortisol anilogens aldosterone thyroid hormone Nitrous oxide androgens oestrogens progesterones
What sort of a hormone is nitrous oxide?
lipid soluble hormone
What is the main category of lipid soluble hormones?
steroid hormones
What is another name for the posterior pituitary?
neurohypophysis
What is another name for the anterior pituitary?
adenohypohpysis
