See Also: hypothalamohypophysial portal system(medicine)
hypothalamohypophysial portal circulation(medicine)
portal system(medicine)
renal portal system(medicine)
hypophysial portal system(medicine)
hepatic portal system(medicine)
hypothalamohypophysial(medicine)
hypothalamohypophysial tract(medicine)
portal(dictionary)
Portal(medicine)

infirm (oh) and hypothalamohypophysial portal system (medicine)


infirm (oh)



weak or ill for a long time, especially because you are old
::Her grandmother is elderly and infirm.
the infirm
people who are weak or ill for a long time, especially because they are old
::The hotel is on a hill, which is not ideal for the infirm.

hypothalamohypophysial portal system (medicine)


hypothalamohypophysial portal system -->
portal hypophysial circulation


A capillary network that carries hypophyseotropic hormones from the hypothalamus, where they are secreted into blood, to their sites of action in the anterior hypophysis.

See: portal circulation, hypophysis, hypothalamus.

Synonym: hypophyseoportal system, hypophysial portal circulation, hypophysial portal system, hypophysioportal system, hypothalamohypophysial portal circulation, hypothalamohypophysial portal system.