See Also: beak sign(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
beak(dictionary)
BEAK(medicine)
beak(1)(dictionary)
beak(dictionary)
beak(encyclopedia)
beak(2)(dictionary)
beak (as used in expressions)(encyclopedia)
parrot-beak nail(medicine)

alidade (medicine) and beak sign (medicine)


alidade (medicine)


alidade


The portion of a graduated instrument, as a quadrant or astrolabe, carrying the sights or telescope, and showing the degrees cut off on the arc of the instrument

Origin: LL. Alidada, alhidada, fr. Ar. Al-'idada a sort of rule: cf. F. Alidade.

Source: Websters Dictionary


beak sign (medicine)


beak sign
<clinical sign> Appearance of the distal oesophagus, on a contrast oesophagram, in achalasia; also used to describe the proximal pyloric canal on upper GI series in congenital pyloric stenosis.