BURNETT'S DISINFECTING FLUID 



244 



BUTTER 



for chemic and pharmaceutic purposes. B., Argand, 

 uses gas or oil, and contains an inner tube for sup- 

 plying the flame with air. B., Bunsen, a form in 

 which the gas is mixed with a sufficient quantity of 

 air to produce complete oxidation before ignition. 



Burnett's (Sir W.) Disinfecting Fluid. A strong so- 

 lution of zinc chlorid (gr. xxv to ^ j of water) with a 

 little iron chlorid. This is added to one quart of water 

 for use. It is serviceable as an antiseptic and deodor- 

 izer, and as a preserver of dead bodies. 



Burning (bern'-ing) [ME., bernen to burn]. Consum- 

 ing with heat or fire. B. of the Feet, a neurotic af- 

 fection of the soles of the feet, common in India. 

 B. Oil, kerosene. The different burning oils are 

 graded according to the two standards of color and 

 fire-test. The colors range from pale-yellow (stand- 

 ard white) to straw (prime white) and colorless 

 (water white). The fire-tests to which the commercial 

 oils are mostly brought are no° F., 120 F., and 

 150 F. ; that of no° going mainly to the continent 

 of Europe and to China and Japan, and that of 120 

 to England. An oil of 150 F. fire-test, and water- 

 white in color, is known in the trade as " headlight 

 oil.'''' An oil of 300 F. , fire-test, and specific grav- 

 ity .829 is known as " mitieral sperm" or "mineral 

 colza oil.'" " Pyronaphtha" is a product of Rus- 

 sian petroleum, somewhat similar to mineral sperm 

 oil. It has a specific gravity of .865, and a fire-test 

 of 265 F. B. Point, in testing petroleum oils, the 

 temperature at which a spark or lighted jet will ignite 

 the liquid itself, which then continues to burn. This 

 point is usually 6° to 20 C. higher than the flash- 

 point, but there is no fixed relation between the two. 



Burnisher [ME., burnischen, to polish]. An instru- 

 ment used in polishing different kinds of metals, and 

 in the laboratory of the dentist, for finishing pieces of 

 dental mechanism. 



Burns, Ligament of. The falciform process of the 

 fascia lata. 



Burns 's Amaurosis. See Amblyopia, Post- Marital ; 

 also Amaurosis. 



Burnt [ME., bernen, to burn]. Scorched ; injured by 

 dry heat. Consumed by fire. B. Alum. See Alu- 

 men exsiccatum. B. Sponge. See Spongia usta. B. 

 Ocher. Same as Ocher. 



Burow's (von) Operations. See Operations, Table of. 

 B. Veins, small veins joining the portal and general 

 circulations. 



Burra Gookeroo (bur' -ah gook r -er-od) [E. Ind.]. The 

 spring carpels of Tribulus lanuginosus, a plant of the 

 guaiacum order growing extensively throughout the 

 East, and largely used as a diuretic and aphrodisiac. It 

 has been employed for the relief of nocturnal emissions 

 and impotence. Dose of the fluid extract TT^xx-1 ; of 

 the infusion jj-ij; of the syrup (for children) gss-j. 



Burras Pipe {bur' -as pip) [burra, coarse-hair ; ME., 

 pipe\ A port-caustic. 



Burring (bur'-ing) [ME., borre, a harshness in the 

 throat]. Rhotacism ; in stammering, the mispronun- 

 ciation of the letter r. B. Engine, a dental appliance 

 for the use of burs, etc., in forming cavities, etc. See 

 Dental Engine. 



Burrow (bur'-o) [ME., borow, a hole]. I. To make 

 a hole or furrow, as in the skin ; said of the itch 

 insect. 2. To force a way through, as pus through 

 the tissues. 



Burrowing (bur'-o-ing) [ME., bormv, a hole]. The 

 term given to the passage of pus through the tissues, 

 after the formation of an abscess that has not burst or 

 been evacuated by surgical methods. 



Bursa (bur'-sah) [bursa, a purse: //. , Purscr~\. A 

 small sac interposed between parts that move upon one 



another. B. anserina, a pouch situated between 

 the long internal lateral ligament and the lower inter- 

 nal hamstring tendons. B. colera, the gall-bladder. 

 B. cordis, the pericardium. B. fabricii, "A glan- 

 dular organ existing in both sexes and all species of 

 birds ; most developed in young birds, more or less 

 atrophied in adults ; it opens on the dorsal wall of 

 the cloaca, into the lowest chamber of that organ." 

 (Forbes.) B. mucosae, a bursa situated in sub- 

 cutaneous areolar tissue. B., Plantar, a bursa situ- 

 ated over the instep, either above or below a tendon. 

 B., Popliteal, a bursa situated in the popliteal space • 

 between the tendon of the semimembranosus and the 

 tendon of the inner head of the gastrocnemius, where 

 they rub against each other. B., Prepatellar, a 

 bursa situated over the patella and over the upper part 

 of the patellar ligament. B., Synovial, found be- 

 tween tendons and bony surfaces. B. vaginalis, 

 the synovial sheath. 



Bursal {bur' -sal) [bursa, a purse]. Pertaining to a 

 bursa, sac, or follicle. 



Bursalogy [bur-sal' -o-je) [bursa, a purse ; 7,6yog, sci- 

 ence]. The science or study of the bursae ; the 

 anatomy, physiology, and pathology of the bursoe. 



Bursera (bur' -ser-ah) [Purser, a German botanist]. A 

 genus of tropical trees, several species of which afford 

 resinous gums. P. acuminata affords caranna ; B. 

 tomentosa furnishes tacamahac. 



Burseraceous (bur-ser-a' -se-us) [Purser, a German 

 botanist]. Pertaining to or resembling the genus 

 Pursera. 



Bursiculate (bur-sik'-u-lat ) [bursicula ; dim. of bursa, 

 a purse]. In biology, pouch or purse-like, or possessing 

 a bursa. 



Bursiform (bur'-siform) [bursa, a purse ; forma, form]. 

 Resembling a bursa. 



Bursitis (bur-si' -tis) [bursa, a purse ; trig, inflamma- 

 tion]. Inflammation of a bursa. B., Tornwaldt's, 

 catarrhal inflammation of the anterior portion of tin 

 median recess of the naso-pharnyx. 



Bursula (bur'-su-lah) [dim. of bursa, a purse]. A 

 small bursa ; the scrotum. 



Burton's Sign. See Signs and Symptoms, Table of. 



Busch's Operations. Set Operations, Table of . B.'s 

 Version, in obstetrics, direct version, the head 

 being grasped by one hand; while the other hand 

 pushes the breech of the child upward, the head is 

 pulled down into the cervix. 



Bushmaster (bush'-mast-er). See Lachcsis. 



Busk, Diameter of. In craniometry, the auriculo- 

 bregmatic diameter. B., Horizontal Plane of. See 

 Plane. 



Butalanin (bu-tal' -an-in) [butyl: alaniti\, C-II,,- 

 (NH 2 )0 2 . a-amidoisovaleric acid ; it consists of 

 shining prisms that sublime without fusing. It is 

 found in the pancreas of the ox. 



Butcher's Operations. See Operations, Table of. 



Butea (bu'-te-ah) [John, Earl of Bute (1713-92)]. 

 A genus of leguminous tropical trees and shrubs. 

 P. frondosa and P. superba afford Bengal Kino 

 (see Kind) ; also called Butea Gum. B. Gum. 

 See Kino. 



Butter (but'-er) [butyrum, butter]. The fatty part of 

 the milk obtained by rupturing the cells of the fat- 

 globules by "churning" or mechanical agitation. 

 Also, various vegetable fats having the consistency 

 of butter, as B. of Cacao. See Theobroma. Also 

 applied to certain chemical products having the 

 appearance or consistence of butter, as B. of Anti- 

 mony, antimonious chlorid ; B. of Tin, stannic chlo- 

 rid ; B. of Zinc, zinc chlorid. See, also, Acid, 

 Butyric. B.-and-Eggs. See Antirrhinum linaria. 



