GLOS­SARY

EQUUS - - Contents -

Words fol­lowed by this sym­bol 0 are de­fined here

cur­va­ture of Spee--- nat­u­ral, slight arc in the oc­clusal (chew­ing) sur­face of the mo­lars. dimethyl sul­fox­ide (DMSO)---or­ganic chem­i­cal that has a num­ber of medic­i­nal prop­er­ties, in­clud­ing anti-in­flam­ma­tory, an­tibac­te­rial and anal­gesic; DMSO can pass read­ily through the skin. DNA (de­oxyri­bonu­cleic acid)---large or­ganic mol­e­cule that con­sists of two chains of nu­cleo­tides wound around each other; the ma­te­rial of which genes are made. Genes are re­spon­si­ble for the individual in­her­ited char­ac­ter­is­tics of liv­ing or­gan­isms. en­do­scope--- small, flex­i­ble tube equipped with light and a view­ing de­vice; used to ex­am­ine or op­er­ate on body pas­sages or in­ter­nal or­gans. epiglot­tis--- flap that hinges up­ward to pro­tect the space be­tween the vo­cal cords dur­ing swal­low­ing, pre­vent­ing swal­lowed ma­te­rial from go­ing down the wind­pipe (tra­chea) into the lungs. esoph­a­gus--- mus­cu­lar tubu­lar pas­sage­way for food lead­ing from the phar­ynx to the stom­ach. gut­tural pouches--- two sacs con­nected to the eu­stachian tube be­tween the horse’s ear and throat, open­ing into the throat; as­sist in cool­ing the brain dur­ing stren­u­ous ex­er­cise. hy­oid ap­pa­ra­tus--- set of bones that form a “swing” shape be­low the back of the skull, be­tween the jaw­bones. The ap­pa­ra­tus sup­ports the lar­ynx, phar­ynx and the base of the tongue. lamini­tis--- in­flam­ma­tion of the sen­si­tive plates of soft tis­sue (lam­i­nae) within the horse’s foot caused by phys­i­cal or phys­i­o­logic in­jury. Se­vere cases of lamini­tis may re­sult in founder, an in­ter­nal de­for­mity of the foot. Acute lamini­tis sets in rapidly and usu­ally re­sponds to ap­pro­pri­ate, in­ten­sive treat­ment, while chronic lamini­tis is a per­sis­tent, long-term con­di­tion that may be un­re­spon­sive to treat­ment. lar­ynx (voice box)---or­gan that func­tions to keep un­wanted sub­stances out of the air­way and to pro­duce voice; cen­tered just at the back of the lower jaw­bone, the lar­ynx is equiv­a­lent to the hu­man “Adam’s ap­ple.” lymph nodes--- cel­lu­lar fil­ters along the lymph ves­sels which col­lect flu­ids from be­tween the cells and re­turn them to the circulation. mag­netic res­o­nance imag­ing (MRI)--di­ag­nos­tic tech­nique that uses a pow­er­ful mag­netic field and ra­dio waves to cap­ture a three-di­men­sional, com­put­er­ized im­age of soft tis­sues within the body. me­dial--- oc­cur­ring to­ward or ex­tend­ing to the mid­line or cen­ter of the body. MSM (methyl­sul­fonyl­methane)---sul­fur­con­tain­ing oral prepa­ra­tion that is a chem­i­cal frac­tion of dimethyl sul­fox­ide (DMSO), an or­ganic sub­stance with anti-in­flam­ma­tory, an­tibac­te­rial and anal­gesic prop­er­ties; pop­u­lar in the man­age­ment of ath­letic pain. non­s­teroidal anti-in­flam­ma­tory drug (NSAID)---drug that con­tains no steroids and acts to re­duce heat and swelling. os­teoarthri­tis--- de­gen­er­a­tion and in­flam­ma­tion of one or more joints due to ex­ces­sive wear. pathogen--- any dis­ease-pro­duc­ing micro­organ­ism or ma­te­rial. pathol­ogy--- sci­ence of the ef­fects of dis­ease on body tis­sues. phar­ynx--- cham­ber in the cen­ter of the head serv­ing both breath­ing and swal­low­ing, bounded by the nasal pas­sages in front, the soft palate be­low, and the lar­ynx and esoph­a­gus be­hind. The phar­ynx serves breath­ing ex­cept dur­ing swal­low­ing. pro­tein--- large mol­e­cule com­posed of one or more chains of amino acids in a spe­cific or­der. Pro­teins are re­quired for the struc­ture, func­tion and reg­u­la­tion of the body’s cells, tis­sues and or­gans, and each pro­tein has unique func­tions. Sim­ple pro­teins con­sist only of amino acids. Con­ju­gated pro­teins con­sist of amino acids joined to other com­plex mol­e­cules. De­rived pro­teins are the prod­ucts of chem­i­cal changes to other pro­teins. tra­chea--- flex­i­ble tube con­nect­ing the back of the phar­ynx to the lungs; pas­sage­way for in­hala­tion and ex­ha­la­tion. ul­tra­sound--- high-fre­quency sound waves, above the range of hu­man hear­ing. Ul­tra­sound is used di­ag­nos­ti­cally, to im­age body struc­tures, and ther­a­peu­ti­cally, to break down un­wanted tis­sue and pro­mote heal­ing by stim­u­lat­ing circulation. urea--- end prod­uct of pro­tein de­com­po­si­tion, pri­mar­ily com­posed of ni­tro­gen and ex­creted in the urine. uveitis-in­flam­ma­tion of the pig­mented struc­tures within the eye­ball.

struc­tures within the eye­ball.

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