zona /zo·na/ (zo´nah) pl. zo´nae [L.]
1. zone.
2. herpes zoster.
zona arcua´ta inner tunnel.
zona cilia´ris ciliary zone.
zona denticula´ta the inner zone of the lamina basilaris of the cochlear duct with the limbus of the osseous spiral lamina.
zona fascicula´ta the thick middle layer of the adrenal cortex.
zona glomerulo´sa the thin outermost layer of the adrenal cortex.
zona hemorrhoida´lis that part of the anal canal extending from the anal valves to the anus and containing the rectal venous plexus.
zona incer´ta a narrow band of gray matter between the subthalamic nucleus and thalamic fasciculus.
zona ophthal´mica herpetic infection of the cornea.
zona orbicula´ris articulatio´nis cox´ae a ring around the neck of the femur formed by circular fibers of the articular capsule of the hip joint.
zona pectina´ta the outer part of the lamina basilaris of the cochlear duct running from the rods of Corti to the spiral ligament.
zona pellu´cida the transparent, noncellular secreted layer surrounding an oocyte.
zona perfora´ta the inner portion of the lamina basilaris of the cochlear duct.
zona reticula´ris the innermost layer of the adrenal cortex.
zona tec´ta inner tunnel.
zona vasculo´sa a region in the supramastoid fossa containing many foramina for the passage of blood vessels.
zona oph·thal·mi·ca ( f-th l m -k )n. The occurrence of herpes zoster in the region in which the ophthalmic nerve is distributed. |
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