| quadricepsplasty | A corrective surgical procedure on the quadriceps femoris. Origin: quadriceps + G. Plastos, formed (05 Mar 2000) |
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| quadricipital | <anatomy> Of or pertaining to the quadriceps. Source: Websters Dictionary (01 Mar 1998) |
| quadricorn | <zoology> Any quadricornous animal. See: Quadricornous. Source: Websters Dictionary (01 Mar 1998) |
| quadricornous | <zoology> Having four horns, or hornlike organs; as, a quadricornous beetle. Origin: Quadri- + L. Cornu horn: cf. F. Quadricorne. Source: Websters Dictionary (01 Mar 1998) |
| quadricuspid | Having four cusps. Synonym: quadricuspid. (05 Mar 2000) |
| quadridentate | Having four teeth; as, a quadridentate leaf. Source: Websters Dictionary (01 Mar 1998) |
| quadridigitate | Synonym: tetradactyl. Origin: quadri-+ L. Digitus, digit (05 Mar 2000) |
| quadrifid | Divided, or deeply cleft, into four parts; as, a quadrifid perianth; a quadrifid leaf. Origin: L. Quadrifidus; quattuor four + findere to cleave: cf. F. Quadrifide. Source: Websters Dictionary (01 Mar 1998) |
| quadrifoliate | <botany> Four-leaved; having the leaves in whorls of four. Origin: Quadri- + L. Folium leaf. Source: Websters Dictionary (01 Mar 1998) |
| quadrigeminal | Four-fold. Origin: quadri-+ L. Geminus, twin (05 Mar 2000) |
| quadrigeminal bodies | See: inferior colliculus, superior colliculus. Synonym: corpora quadrigemina. (05 Mar 2000) |
| quadrigeminal lamina | The roofplate of the mesencephalon formed by the quadrigeminal bodies. Synonym: lamina tecti mesencephali, tectum mesencephali, lamina quadrigemina, quadrigeminal lamina, quadrigeminal plate. (05 Mar 2000) |
| quadrigeminal plate | The roofplate of the mesencephalon formed by the quadrigeminal bodies. Synonym: lamina tecti mesencephali, tectum mesencephali, lamina quadrigemina, quadrigeminal lamina, quadrigeminal plate. (05 Mar 2000) |
| quadrigeminal pulse | A pulse in which the beats are grouped in fours, a pause following every fourth beat. Synonym: pulsus quadrigeminus. (05 Mar 2000) |
| quadrigeminal rhythm | A cardiac arrhythmia in which the heartbeats are grouped in fours, each usually composed of one sinus beat followed by three extrasystoles, but a repetitive group of four of any composition is quadrigeminal. Synonym: quadrigeminy. (05 Mar 2000) |