| penetrating keratoplasty | Corneal transplant with replacement of all layers of the cornea, but retaining the peripheral cornea. Synonym: perforating keratoplasty. (05 Mar 2000) |
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| penetrating ulcer | An ulcer extending into deeper tissues of an organ. (05 Mar 2000) |
| penetrating wound | A wound with disruption of the body surface that extends into underlying tissue or into a body cavity. (05 Mar 2000) |
| wounds, penetrating | Wounds caused by objects penetrating the skin. (12 Dec 1998) |
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| eye injuries, penetrating | Deeply perforating or puncturing type intraocular injuries. (12 Dec 1998) |
| keratoplasty, penetrating | Partial or total replacement of all layers of a central portion of the cornea. (12 Dec 1998) |