See Also: noeud vital(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
rational(1)(dictionary)
rational(2)(dictionary)
rational(3)(dictionary)
rational(medicine)
rational(dictionary)
Rational Basis(law)
rational number(encyclopedia)
rational therapy(medicine)

noeud vital (medicine) and rational(2) (iou)


noeud vital (medicine)


noeud vital


A circumscript region in the lower part of the medulla oblongata, near the apex of the calamus scriptorius, interpreted by M. Flourens (1858) as a nerve centre controlling respiration.

Synonym: vital knot, vital node.

Origin: Fr.


rational(2) (iou)



rational noun1. LME.
[Absol. use of adjective.]
Power of reasoning. Only in LME.
A rational being; a human being. Usu. in pl. Now rare or obsolete. E17.
Math. A rational number or quantity. L17.
That which is rational or reasonable. L17.
Hist. In pl. Knickerbockers for women. L19.