EQUUS - - Contents -

al­i­men­tary canal--- tube sys­tem in which the en­tire di­ges­tive process takes place; runs from mouth to anus. bi­otin--- wa­ter-sol­u­ble vi­ta­min of the B com­plex. body con­di­tion score (BCS)---a des­ig­na­tion, based on a nine-point nu­meric scale, in­di­cat­ing the amount of fat on a horse’s body. A BCS is as­signed af­ter a visual and hands-on ap­praisal. bursa--- sac or cav­ity filled with fluid, lo­cated at a joint or other area where fric­tion is likely to oc­cur. It pro­vides lu­bri­ca­tion be­tween lig­a­ments, ten­dons and the bones over which they run. cor­ti­sol (hy­dro­cor­ti­sone)---adrenal hor­mone reg­u­lat­ing fat and wa­ter me­tab­o­lism, mus­cle tone, nerve stim­u­la­tion and in­flam­ma­tion. 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. equine meta­bolic syn­drome (EMS)--en­docrine dis­or­der char­ac­ter­ized by in­creased fat de­posits in spe­cific lo­ca­tions of the body or over­all obe­sity; in­sulin re­sis­tance, which leads to ab­nor­mally high lev­els of the hor­mone cir­cu­lat­ing in the blood­stream; and a pre­dis­po­si­tion to­ward lamini­tis in the ab­sence of other rec­og­nized causes. flu­nixin meg­lu­mine--- generic name for a non­s­teroidal anti-in­flam­ma­tory pain re­liever com­monly given for colic, eye pain or gen­er­al­ized body dis­com­fort. 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. heaves--- com­mon term for re­cur­rent air­way ob­struc­tion, a re­s­pi­ra­tory dis­ease, usu­ally of older horses, in­duced by ex­po­sure to dusts typ­i­cally found in sta­bles and re­sult­ing in nar­row­ing of the small air­ways of the lungs. hy­po­thal­a­mus--- por­tion of the floor of the brain that reg­u­lates many au­to­matic body pro­cesses ei­ther di­rectly by ner­vous con­trol or in­di­rectly by hor­mone pro­duc­tion. in­sulin re­sis­tance--- meta­bolic dis­or­der, sim­i­lar to type 2 di­a­betes, that oc­curs when cer­tain cells in the body be­come less sen­si­tive to the ac­tion of in­sulin, and nor­mal amounts of the hor­mone can no longer keep ad­e­quate amounts of glu­cose mov­ing into the cells for use as fuel. 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. me­thio­n­ine--- es­sen­tial amino acid in pro­teins, no­table for its dou­ble sul­fur bonds which are crit­i­cal in the for­ma­tion of hair and horn; may also be pre­pared syn­thet­i­cally and added to feed to treat weak hooves and horses who are re­cov­er­ing from founder. 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. neu­trophil--- type of white blood cell that fights acute bac­te­rial in­fec­tions and is the main con­stituent of pus. non­s­teroidal anti-in­flam­ma­tory drug (NSAID)---drug that con­tains no steroids and acts to re­duce heat and swelling. peri­toni­tis--- in­flam­ma­tion of the mem­brane lin­ing the ab­dom­i­nal walls and cov­er­ing the ab­dom­i­nal or­gans. pi­tu­itary pars in­ter­me­dia dys­func­tion (PPID, Cush­ing’s dis­ease)---dis­ease caused when the cor­tex of the adrenal gland pro­duces ex­ces­sive amounts of hor­mones, in­clud­ing cor­ti­sol; signs in­clude per­sis­tent long hair, thin skin, frag­ile bones, stu­por, weak­ness and sweat­ing.

plasma--- blood liq­uid that con­tains spe­cial­ized cells, such as platelets, and the pro­teins re­lated to clot­ting; ob­tained by cen­trifug­ing whole un­clot­ted blood to set­tle out the other cells. ship­ping fever--- com­plex of dis­or­ders re­sult­ing from pro­longed stress, such as trans­porta­tion; prin­ci­pal man­i­fes­ta­tion is pleu­rop­neu­mo­nia with fever. white cells (leuko­cytes, white blood cells)--col­or­less blood cells ac­tive in the body’s de­fense against in­fec­tion or other as­sault. There are five types: neu­trophils, lym­pho­cytes, eosinophil­s, mono­cytes and ba­sophils.

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