Periegesis, per-i-ē-jē′sis, n. a progress or journey through. [Gr.]
Perienteron, per-i-en′te-ron, n. the primitive perivisceral cavity.—adj. Perienter′ic. [Gr. peri, about, enteron, an intestine.]
Perifibrum, per-i-fī′brum, n. the membraneous covering of the spicules and fibre of sponges.
Periganglionic, per-i-gang-gli-on′ik, adj. surrounding a ganglion.
Perigastric, per-i-gas′trik, adj. surrounding the alimentary canal.
Perigee, per′i-jē, n. (astron.) the point of the moon's orbit at which it is nearest the earth—opp. to Apogee.—adjs. Perigē′al, Perigē′an. [Gr. peri, near, gē, the earth.]
Perigenesis, per-i-jen′e-sis, n. wave-generation, the dynamic theory of reproduction by a kind of wave-motion of plastidules.
Periglottis, per-i-glot′is, n. the epidermis of the tongue.—adj. Periglott′ic.
Perigone, per′i-gōn, n. (bot.) the same as Perianth—also Perigō′nium.—adj. Perigō′nial. [Gr. peri, about, gonē, seed.]
Perigraph, per′i-graf, n. an inaccurate delineation of anything.—adj. Perigraph′ic.