The Lat. form of the Gr. word repr. by ZONE. a. Archæol. A girdle: = ZONE sb. 3. b. Used in Anatomy with various qualifying adjs. to denote certain structures or parts of structures (see quots., and cf. ZONE sb. 6). Zona ignea [L., = fiery girdle] Path., also simply zona, the disease herpes zoster or shingles. Zona pellucida, the transparent membrane forming the cell-wall of the ovum in Mammalia.
1706. Phillips (ed. Kersey), Zona … a kind of Herpes, or Shingles call’d Holy Fire.
1800. Dallaway, Anecd. Arts Eng., 249. Both the tænia and zona are concealed by drapery falling over them.
1818–20. Thompson, trans. Cullen’s Nosol. (ed. 3), 331. Herpes Zoster, Zona; or Zora ignea: the shingles.
1841. M. Barry, in Phil. Trans., CXXXII. 116. We saw the incipient chorion, when rising from the ‘zona pellucida’ in the mammiferous ovum, to leave a stratum of unappropriated cells behind it on the ‘zona.’
1848. Dunglison, Med. Lex., s.v., Zona Tendinosa, the whitish circle around the auriculo-ventricular orifice of the right side of the heart.
1883. Klein, Elem. Histol., 341. The inner zona, or zona reticularis, composed of smaller or larger groups of polyhedral cells.
1899. Allbutt’s Syst. Med., VIII. 616. Yet there has never been any confusion with regard to H[erpes] Zoster, or Zona, since the disease was first described.
