Quadrare, quadratum; to square, to make four-cornered (quadriceps)

Radius; rod, spoke, ray, beam; bone on outer forearm – radius (radius, dorsoradial, radioulnar, radiology)

Ramus; branch (ramiform, ramus communicans – nerve which connects two other nerves)

Rectus; right, straight (rectus abdominous, rectus femoris)

Ren, renis; kidney (adrenalin, renal, circumrenal, prerenal)

Rigor; stiffness, cold (rigor mortis)

Scapula; shoulder, shoulder-blade (scapula, subscapula, infrascapular, scapuloclavicular, cervicobscapular)

Scrotum; bag, pouch (scrotal, scrotum)

Sebum; grease, fatty secretion (sebum)

Sinister, sinistri; left, on the left (sinistrodextral, sinstrocular)

Sinus; curve, cavity and/or recess (sinus, sinusoidal, Ethmoid sinus)

Spina; thorn, spine (cerebrospinal, spina bifida, spinal erector)

Spirare, spiratum; to breathe, blow (exspiration, inspiration, perspiration)

Squama; scale, flake, thin plate (Squamous epithelial tissue, squamella)

Stapes, stapedis; a stirrup, innermost ossicle of ear (extrastapedial, mediostapedial, stapes – involved in conduction of sound vibration)

Stare, statum; to stand (distal)

Sulcus; furrow, grove (costal sulci)

Supinus; bending backwards, supine, lying on back (supination, supinator, supine, semisupination)

Talus, ankle, ankle-bone (talus, talofibular, talotibial)

Tempora; the temple (temporomandibular joint, temporal, infratemporal)

Tender, tentum, tensum; to stretch (extensor, tendon, tensor fascia lata, hypertension)

Tibia; pipe, flute; shinbone, the innder and larger bone of the lower leg (tibia, femorotibial)

Tumere; to swell (tumor, tumentia)

Ulcus, ulceris; open sore (ulcer, ulcerate)

Ulna; elbow, inner and larger bone of the forearm (radioulnar, ulna)

Umbilicus; the navel (umbilical cord, umbilicus)

Unguis; nail, claw, hoof (subungual, unguis, ungula)

Uva; grape (uvula – small lobe haning from palate)

Vagus; wandering (vagus – nerve, valgus knee)

Varus; crooked, bent inward (coxa vara, genu varum, pollex varus)

Vas; vessel (vascular, cerebrovascular)

Vellere, vulsum; to tear, puck (avulsion, evulsion)

Vena; vein (intravenous, supervenosity, vein)

Venter, ventris; to come (ventral- anatomical position, ventricle, ventrolateral)

Verruca; a wart (verruca, verruciform)

Vertebra; a joint (vertebrae)

Vesica; bladder, blister (vesicle, vesicular, cervicovesicular)

Villus; tuft of hair (villi, villiform, intervillous)

Virus; potent juice, poison (virus)

Vomer; plowshare, a bone in the septum (ethmovomerine, vomer, vomernasal)