See Also: reproductive medicine(medicine)
posterior pituitary(medicine)
pituitary hormones, posterior(medicine)
pituitary gland, posterior(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Medicine Lodge Memorial Hospital- Medicine Lodge(health)
reproductive(dictionary)
reproductive(dictionary)
Reproductive(medicine)
reproductive cycle(medicine)

Reproductive Ratio (medicine) and posterior pituitary (medicine)


Reproductive Ratio (medicine)


reproductive ratio
<epidemiology> 1. Basic reproductive ratio , Ro , a dimensionless parameter which encapsulates the biological details of different transmission mechanisms. For microparasites, Ro , is defined as the average number of secondary cases of infection to which one primary case gives rise throughout its infectious period if introduced into a defined population consisting solely of susceptible individuals. For macroparasites, Ro , is the average number of female offspring (or just offspring in the case of hermaphroditic species) produced throughout the lifetime of a mature female parasite, which themselves achieve reproductive maturity in the absence of density-dependent constraints on the parasite establishment, survival or reproduction.

Also known as the basic reproduction rate, number.

2. Effective reproductive ratio , R , The number of secondary cases (microparasites) or female offspring (macroparasites) produced in a host population not consisting entirely of susceptible individuals (microparasites) or within which density dependent constraints limit parasite population growth (macroparasites). Under conditions of stable endemic infection, R=1.


posterior pituitary (medicine)


posterior pituitary


The cleaned, dried, and powdered posterior lobe obtained from the pituitary body of domestic animals used for Food by humans; an oxytocic, vasoconstrictor, antidiuretic, and a stimulant of intestinal motility.

Synonym: desiccated pituitary, hypophysis sicca.