| fungus ball | A compact mass of fungal mycelium and cellular debris, 1 to 5 cm in diameter, residing within a lung cavity; such cavities may be produced by bacterial as well as mycotic infectious agents, but they are usually produced by Aspergillus fumigatus or, more rarely, by A. Niger. See: aspergilloma. (05 Mar 2000) |
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| Adson forceps | A small thumb forceps with two teeth on one tip and one tooth on the other. (05 Mar 2000) |
| alligator forceps | A long forceps with a small hinged jaw on the end. (05 Mar 2000) |
| Allis forceps | A straight grasping forceps with serrated jaws, used to forcibly grasp or retract tissues or structures. (05 Mar 2000) |
| Arruga's forceps | Forceps for the intracapsular extraction of a cataract. (05 Mar 2000) |
| arterial forceps | A locking forceps with sloping blades for grasping the end of a blood vessel until a ligature is applied. (05 Mar 2000) |
| axis-traction forceps | Obstetrical forceps provided with a second handle so attached that traction can be made in the line in which the head must move in the axis of the pelvis. (05 Mar 2000) |
| Barton's forceps | An obstetrical forceps with one fixed curved blade and a hinged anterior blade for application to a high transverse head. (05 Mar 2000) |
| bayonet forceps | Forceps with offset blades, such as those for use through an otoscope. (05 Mar 2000) |
| bone forceps | A strong forceps used for seizing or removing fragments of bone. (05 Mar 2000) |
| Brown-Adson forceps | An Adson forceps with about 16 delicate teeth on each tip. (05 Mar 2000) |
| bulldog forceps | A forceps for occluding a blood vessel. (05 Mar 2000) |
| bullet forceps | A forceps with thin curved blades with serrated grasping surfaces, for extracting a bullet from tissues. (05 Mar 2000) |
| capsule forceps | Forceps used for removing the capsule of the lens in extracapsular extraction of a cataract. (05 Mar 2000) |
| major forceps | Occipital radiation of the corpus callosum; that part of the fibre radiation of the corpus callosum which bends sharply backward into the occipital lobe of the cerebrum. Synonym: forceps major, forceps posterior, occipital part of corpus callosum, pars occipitalis corporis callosi. (05 Mar 2000) |