See Also: Gerdy's hyoid fossa(medicine)
inefficacy(medicine)
inefficacy(dictionary)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Gerdy, Pierre(medicine)
Gerdy's tubercle(medicine)
Gerdy's ligament(medicine)
Gerdy's fontanel(medicine)
Gerdy's fibres(medicine)
Gerdy's interatrial loop(medicine)

Gerdy's hyoid fossa (medicine) and inefficacy (iou)


Gerdy's hyoid fossa (medicine)


Gerdy's hyoid fossa -->
carotid triangle


A space bounded by the superior belly of the omohyoid muscle, anterior border of the sternocleidomastoid, and posterior belly of the digastric; it contains the bifurcation of the common carotid artery.

Synonym: trigonum caroticum, fossa carotica, Gerdy's hyoid fossa, Malgaigne's fossa, Malgaigne's triangle, superior carotid triangle.


inefficacy (iou)



inefficacy noun. E17.
[Late Latin inefficacia; later from IN-3 + EFFICACY.]
Lack of efficacy; inability to produce the desired effect.
R. L. Stevenson The usual inefficacy of the lamps, which..shed but a dying glimmer even while they burned.
Also ineffi'cacity noun (rare) E18.