CORONA

(Lat.), n. f. Ko2r-on'a3. Gr., dvri. Fr.,couronne. Ger., Kranz, Krone. A crown or any crown-like structure, the uppermost part; in botany, a cup-like structure between the corolla and the stamens; in zoology, the region of the head having the vertex as the highest point, a proce of the frontal bone supporting the antler in the deer, the down surrounding the beak in birds of prey, also the corneal margin of the sclerotic; of a tooth, its free portion; in obstetrics, the rim of the os uteri externum stretched around the child's head during parturition. [B, 19, 123 (a 24) L 180, 221, 343, 349.] C. ciliaris. Ger., Faltenkranz, Strahlenkranz. The ciliary proce es taken collectively. [L, 332.] C. conjunctive. That portion of the conjunctiva that surrounds the cornea. [L, 349.] C. cord is. The auricular portion of the heart. [L, 31.1 C. de frailes (Sp.). The Globular i a alypum of Linnseus. [B, 88.] C. dent is. Fr.,couronne de la dent. Ger.,Zahnkrone. The crown of a tooth. [L, 115.] C. de rey (Sp.). The Melilot us offlcinalis. [A, 447.] C. gland is. Fr., couronnedu gland. Ger., Eichelkrotie. The rounded projecting border of the glans penis. [C.] C. imperial is. The Fritillaria imperial is. [B, 180, 270 (a, 24).] C. inferior. The coronoid proce of the ulna. [L, 349.] Corona? palpebra rum [from the Lat., corona, a circle or crown, and palpebra, the eyelid]. See under TARSUS. C. radians, C. radiata. Fr., couronne rayonnante. Ger., Strahlenkranz, Stabkranz, Stammstrahlung. Syn.: radiatio caudicea [Burdachj (2d def.). 1. See C. ciliaris. 2. Of Reil, the fibrous crown, radiating crown; the radiating fibres of the cerebral peduncle. [1, 15; K.] C. real (Sp.). The Melilot us offlcinalis. [B, 88.] C. regal i*. The genus Eucomis [B, 121 (a, 24).] Corona regia. The Melilot us offlcinalis. [B, 200.] C. seminis. The pappus of a seed. [L, 97.] C. soils. Fr., couronne de soleil. Ger., Sonnenblume. The genus Helianthus. [B, 121 (a, 24).] C. sol is frutescens, etc. The Borrichia arbores cens. [B, 215.] C. sol is par vo flore, etc. The Helianthus tuberosus. [B, 59.] C. staininea. A c. made up of transformed stamens. [B, 19 (a, 24).] C. superior. See OLECRANON. C. terrse, C. terrestris. Fr., couronne de terre. The Glechoma hf.deraceum. [B, 88, 180 (a, 24).] C. trepan i. Ger., Trepan krone. The crown (the cutting portion) of a trephine. [A, 322.] Corona} tubulorum [J. Miiller]. The crypts of Lieberktthn, which are arranged like a crown around the lymph follicles projecting into the intestine. [J; L, 13.] C. ulnae. See OLKCRANON. Corona? vagina les. Ger., Scheidenkrdnzchen. Flat, circular wads of cotton or other material for applying medicaments within the vagina. [Bernatzik (A, 319).] C. venerea, C. Veneris. Fr., couronne de Venus, chapelet. Ger., Venusbliithen. The crown of Venus; a papule, pustule, or other syphilide occurring upon the forehead in the form of a crown. [G.] CORONAD [Barclay], adv. Koar'on-aad. Toward the coronal aspect. [L. 141.] [s. 412]