Defn: See Pituitary body, under Pituitary.
2. (Med.)
Defn: Cataract.
HYPOPLASTRON
Hy`po*plas"tron, n.; pl. Hypoplastra. Etym: [Pref. hypo- + plastron.]
(Anat.)
Defn: The third lateral plate in the plastron of turtles; — called also hyposternum.
HYPOPTILUM
Hy*pop"ti*lum, n.; pl. L. Hypoptila, E. Hypoptilums. Etym: [NL., fr.
Gr. (Zoöl.)
Defn: An accessory plume arising from the posterior side of the stem of the contour feathers of many birds; — called also aftershaft. See Illust. of Feather.
HYPORADIUS
Hy`po*ra"di*us, n.; pl. Hyporadii. Etym: [Pref. hypo- + radius.]
(Zoöl.)
Defn: One of the barbs of the hypoptilum, or aftershaft of a feather.
See Feather.
HYPORHACHIS
Hy`po*rha"chis, n.; pl. Hyporhachides. Etym: [NL., fr. Gr. (Zoöl.)