sphinctersphinc‧ter /ˈsfɪŋktə $ -ər/ noun [countable] medical 
Word Origin
Word OriginWORD ORIGINsphincter
ExamplesOrigin:
1500-1600 Late Latin, Greek, from sphingein ‘to tie tightly’EXAMPLES FROM OTHER DICTIONARIES
word sets- the anal sphincter
- The sphincters become leaky, and the urine overflows.
- Thus it should not be assumed that older patients with ulcerative colitis have weaker sphincters than younger patients.
WORD SETS► Human
a muscle that surrounds an opening in your body, and can become tight in order to close the openingAB, nounabdomen, nounaccommodation, nounAchilles tendon, nounAdam's apple, nounadaptation, nounadenoids, nounadrenalin, nounairway, nounambidextrous, adjectiveanatomical, adjectiveankle, nounantibody, nounantigen, nounanus, nounanvil, nounaorta, nounappendix, nounarch, nounarmpit, nounarterial, adjectiveartery, nounatrium, nounbaby tooth, nounback, nounbackbone, nounbandy, adjectivebarrel-chested, adjectivebeat, verbbelly, nounbelly button, nounbicep, nounbig toe, nounbikini line, nounbile, nounbiological clock, nounbiorhythms, nounbiped, nounbladder, nounblind spot, nounblink, verbblink, nounblood count, nounblood group, nounblood pressure, nounbloodstream, nounblood type, nounblood vessel, nounBO, nounbody clock, nounbody odour, nounbone, nounbone marrow, nounbowel, nounbow legs, nounbrain, nounbrainwave, nounbreast, nounbreastbone, nounbristly, adjectivebronchial, adjectivebronchial tube, nounbrow, nounbuck teeth, nounbullnecked, adjectiveburp, verbbust, nounbuttock, nouncanine, nouncapillary, nouncardiac, adjectivecardio-, prefixcardiovascular, adjectivecarotid artery, nouncartilage, nouncentral nervous system, nouncerebellum, nouncerebral, adjectivecervical, adjectivecervix, nounchamber, nounchange of life, nouncheek, nouncheekbone, nounchest, nounchin, nouncirculation, nounclavicle, nouncleavage, nounclitoris, nounclose-set, adjectivecoccyx, nouncochlea, nouncock, nouncollarbone, nouncolon, nouncolour, nouncolour-blind, adjectiveconception, nouncone, nounconnective tissue, nouncoordination, nouncornea, nouncortex, nouncough, verbcough, nouncowlick, nouncranium, nouncrook, verbcrotch, nouncrow's feet, nouncrutch, nouncry, verbcuticle, noundandruff, noundeep-set, adjectivedefecate, verbdefence mechanism, noundental, adjectivedentine, nounderrière, noundiaphragm, noundigit, noundigital, adjectivedimple, noundisc, noundominant, adjectivedouble-jointed, adjectivedribble, verbdrool, verbduct, nounduodenum, nounear, nouneardrum, nounearhole, nounegg, nounejaculate, verbelbow, nounenamel, nounendocrine, adjectiveentrails, nounepidermis, nounepiglottis, nounerect, adjectiveerection, nounerogenous zone, nounexcrement, nounexcreta, nounexcrete, verbexcretion, nounexpectorate, verbextremity, nouneye, nouneyebrow, nouneyelash, nouneyelid, nouneyesight, nouneye tooth, nounface, nounfallopian tube, nounfart, verbfart, nounfemur, nounfibre, nounfibula, nounfigure, nounfingernail, nounfingertip, nounfist, nounfive o'clock shadow, nounflat-chested, adjectivefoetal position, nounfolic acid, nounfollicle, nounforearm, nounforefinger, nounforehead, nounforeskin, nounframe, nounfunny bone, noungall bladder, noungallstone, noungastric, adjectivegenital, adjectivegenitals, noungland, nounglottis, noungonad, noungrey matter, noungroin, nounG-spot, noungullet, noungum, nounhair, nounhairless, adjectivehairy, adjectivehammer, nounhamstring, nounhand, nounhand-eye co-ordination, nounhandlebar moustache, nounhead, nounheart, nounheel, nounhiccup, nounhiccup, verbhip, nounHomo sapiens, nounhumerus, nounhymen, nounimmune, adjectiveimmune system, nounimmunity, nouninbred, adjectiveincisor, nounindex finger, nouninherit, verbinstep, nounintestine, nounin vitro fertilization, nouniris, nounIVF, nounjaw, nounjawbone, nounjowl, nounkidney, nounknee, nounknee cap, nounknuckle, nounlap, nounlarge intestine, nounlarynx, nounlash, nounlaugh lines, nounlaughter lines, nounleft-handed, adjectivelefty, nounlens, nounlid, nounlifeblood, nounligament, nounlip, nounlittle finger, nounliver, nounlobe, nounlong-sighted, adjectivelumbar, adjectivelung, nounlymph, nounlymph node, nounmammary, adjectivemammary gland, nounmanual, adjectivemarrow, nounmasticate, verbmatrix, nounmelanin, nounmelatonin, nounmember, nounmenopause, nounmenses, nounmenstrual, adjectivemenstrual period, nounmenstruate, verbmiddle ear, nounmiddle finger, nounmidget, nounmidriff, nounmilk tooth, nounmind, nounmolar, nounmucous membrane, nounmuscle, nounnail, nounnape, nounnasal, adjectivenavel, nounnervous, adjectiveneurology, nounneuron, nounniacin, nounnipple, nounnode, nounnodule, nounnostril, nounocular, adjectiveoesophagus, nounoral, adjectiveovary, nounoverbite, nounoviduct, nounpalate, nounpalm, nounpalpitate, verbpalpitations, nounpancreas, nounpassage, nounpatella, nounpectorals, nounpelvic, adjectivepelvis, nounpenetrate, verbpepsin, nounperiod, nounperiod pain, nounperspiration, nounperspire, verbphallus, nounpharynx, nounphlegm, nounphysical, adjectivephysiognomy, nounphysiology, nounphysique, nounpigeon-toed, adjectivepit, nounpituitary, nounplacenta, nounplasma, nounplatelet, nounpore, nounpotbelly, nounpremenstrual, adjectiveprepubescent, adjectivepressure point, nounprimal, adjectiveprivate parts, nounprognathous, adjectiveprostate, nounpuberty, nounpubescent, adjectivepubic, adjectivepudendum, nounpulmonary, adjectivepulp, nounpulse, nounpupil, nounquad, nounquadruplet, nounquin, nounquintuplet, nounradius, nounreceptor, nounrecessive, adjectiverectal, adjectiverectum, nounred blood cell, nounREM sleep, nounrenal, adjectiveretina, nounRhesus factor, nounRH factor, nounrib, nounrib cage, nounright, adjectiveright-handed, adjectiveright-hander, nounrigor mortis, nounring finger, nounrod, nounRoman nose, nounround-shouldered, adjectiverun, verbsalivary gland, nounsallow, adjectivescalp, nounscaly, adjectivescapula, nounsciatic, adjectivescrotum, nounsemen, nounseminal, adjectivesense, nounsense organ, nounsensory, adjectivesextuplet, nounshank, nounshin, nounshinbone, nounshoulder, nounshoulder blade, nounside, nounsinew, nounsinus, nounskeletal, adjectiveskull, nounsleep, verbsleep, nounsmall intestine, nounsneeze, verbsneeze, nounsnub nose, nounsnub-nosed, adjectivesoft palate, nounsolar plexus, nounsole, nounsphincter, nounspinal, adjectivespinal column, nounspine, nounspit, verbspit, nounspittle, nounspleen, nounspotty, adjectivesputum, nounsternum, nounsteroid, nounstirrup, nounstomach, nounstool, nounstubble, nounsubcutaneous, adjectivesuck, verbsuckle, verbsuckling, nounsweat gland, nounsystem, nountailbone, nountan, verbtan, nountanned, adjectivetarsus, nountartar, nountaste bud, nountear, nounteardrop, nounteat, nountemple, nountendon, nountestes, nountesticle, nountestis, nountestosterone, nounthickset, adjectivethigh, nounthorax, nounthroat, nounthumb, nounthumbnail, nounthyroid, nountibia, nounticklish, adjectivetoe, nountoenail, nountongue, nountonsil, nountooth, nountorso, nountouch, nountrachea, nountriceps, nountrunk, nountympanum, nounulna, nounumbilical cord, nounurethra, nounuterus, nounuvula, nounvagina, nounvascular, adjectivevein, nounvenous, adjectiveventricle, nounvessel, nounvestibule, nounvital, adjectivevocal cords, nounvoice box, nounvulva, nounwaist, nounwall-eyed, adjectivewax, nounwhite, nounwhite blood cell, nounwindpipe, nounwisdom tooth, nounwomb, nounwrinkle, verbwrist, nounyawn, verbyawn, noun