FORAMINA . 489 FORCEPS 



TABLE OF FORAMINA.— Continued. 



Name. 



Location. 



Transmits. 



Thyroid. 



Trachelian. 



I. A foramen in the ala of the thyroid cartilage, more or less 

 completely covered by perichondrium. 2. See Obturator. 



See Vertebrarterial. 



1 ransverse. 



See Vertebrarterial. 



, ense cavae. 



See Quadrate. 



Venae saphenae. 



See Saphenous Opening. 



See Quadrate. 



Zygomatico-facial. 



The aperture of the malar canal on the facial surface of the 

 malar bone. 



Malar division of temporo-malar 

 branch of superior maxillary nerve. 



Zygomatico-temporal. j The external aperture of the malar canal, on the temporal Malar division of temporo - m a 1 a r 

 surface of the malar bone. branch of superior maxillary nerve. 



Foraminated ( fo-ram'-in-a-ted) [foramen, an open- 

 ing]. Containing foramina. 



Foraminiferous (fo-ram-in-if'-er-us). Same as For- 

 aminated. 



Forbes, Micrococcus of. See Bacteria, Synonymatie 

 Table of. F., Operation of. See Operations, Table of. 



Force (fors) [fortis, strong]. That which produces or 

 arrests motion. The rate of transformation of energy 

 in time. Whatever may be converted into motion 

 (Robert Mayer). 



arced (forst) [fortis, strong]. Accomplished by 

 an unusual exertion of force. F. Feeding. See Sttr- 

 alimentation and Feeding. 

 ? orceps (for'-seps) [forceps, a pair of tongs]. An 

 instrument with two blades and handjes for purposes 

 of seizing, traction, etc., in surgical, obstetric, and 

 other operations. F., Angular, one bent for introduc- 

 tion into a canal. F., Arterial, one specially adapted 

 for seizing an artery ; many varieties are named after 

 inventors. F., Bone, one exceptionally strong, for 

 use in operations upon bones. F.. Bull-dog, a 

 forceps with sharp teeth (as for holding an artery). 

 F., Bullet, one of peculiar construction, to extract 

 bullets. F., Cannula, long, slender forceps enclosed 



in a tube, that opens by protruding the blades. F., 

 Catch, a forceps with a catch on the handle. F., 

 Craniotomy, the halves are crossed and adapted to 

 embryotomy. F., Dental, adapted for extraction of 

 teeth. This was probably among the first, and, per- 

 haps, almost the only instrument employed for the 

 extraction of teeth, until the invention of Garengeot, 

 in the early part of the eighteenth century. But from 

 the time of Celsus, down to this period, the forceps 

 used for the extraction of teeth were so rude in 

 their construction and so illy adapted for the purpose, 

 that for the removal of the molar teeth the employ- 

 ment of the key-instrument became general, both 

 among dentists and physicians. At the present 

 time, however, forceps have been so greatly im- 

 proved that the key is but little used. F., Duck- 

 bill. See Duckbill. F., Ectropion, adapted foi 

 seizing the lid in operations for ectropion. F., Gouge, 

 cutting-forceps for operations upon bone. F., Hem- 

 ostatic, a forceps for controlling hemorrhage. F., 

 Iridectomy, a delicate forceps for seizing the iris. 

 F., Midwifery, or Obstetric, a forceps for grasping 

 the fetal head in difficult labor and by traction aiding 

 its exit; there is a great number of varieties. F., 



