mono mph alus

[Gr. monos alone, single, and omphalos =the navel.]. Physiol.: A single umbilicus connecting two distinct individuals, such as the Siamese twins, making the monstrosity of one compound individual. mon-o-mỹ-är-I-a, s. pl. [Mod. Lat., from pref. mono-, and Gr. mus (gen it. muos ) = a muscle.] 1. Zool .: A name for that section of bivalves in which there is only one adductor muscle. It was first given by Lamarck. The Mono my aria are the Ostreide, part of the Aviculide, and the genera Tridacna and Muller i a. 2. Palæont.: As none of the mono my aria are fresh-water, it may be a umed that any stratum in which they occur fo il was of marine origin. mon-o-mỹ-är-i-an, s. [MONO MY ARIA.] bivalve po e ing but one adductor muscle. mon-o-my-a-ry, a. & s. [MONO MY ARIA.] Any A. As adj .: Po e ing but one adductor muscle. "In the monomyary bivalves the posterior adductor is the one which remains." -Nicholson : Zoology (1878), p. 385. B. As subst.: A bivalve mollusk po e ing only one adductor muscle, and consequently having only one muscular impre ion on the shell. "Bivalves with one adductor muscle are termed monomyaries."- Owen : Comp. Anat . Invert. Animals , p. 281. mon-on-yx, 8. [Pref. mon-, and Gr. onyx =a claw.] monopetalous mon-ô-pět-a-lous, a. [Pref. mono-; Gr. pet a lon a petal (q. v.), and Eng. suff. -ous.] Bot .: Having the petals coherent into a single piece; gamopetalous, sympetalous.