EXPRESSING POSITION IN MEDICAL TERMINOLOGY 1. General terms locus, i, m. / situs, us, m. (L.) = topo- (G.) = place e.g. topophobia in situ = in the (afore-mentioned) place loco typico = in the typical place loco cicatricis = in the place of the scar (*cicatrix, icis, f. = scar) eodem loco = in the same place localis, e = local e.g. anaesthesia localis positio, onis, f. = position, location 2. Lateral position lateris dextri (l.dx.) = on the right side, the right one lateris sinistri (l.sin.) = on the left side, the left one lateris utriusque (l. utr.) = on both sides, both later- (L.) *(prefix) = related to side e.g. lateropositio uteri /bi/lateralis, e = /bi/lateral e.g. decubitus bilaterales collateralis, e = located on the same side e.g. arteria collateralis sinistro-/dextropositio = reversal of an organ to the left/right marginalis, e = marginal e.g. gingivitis marginalis acralis, e (G.) = referring to extremities e.g. cyanosis acralis 3. Medial position medius, a, um / medianus, a, um e.g. auris media; linea mediana medialis, e (x lateralis, e) e.g. nervi supraclaviculares mediales intermedius, a, um = located between two things e.g. septum intermedium mes-o- (G.) *(prefix) e.g. mesoderma; mesencephalon centralis, e e.g. os centrale; systema nervosum centrale 4. Anterior position/before sth anterior, ius *(comparative form) e.g. paries anterior gastris antero- *(pref.) e.g. funiculus anterolateralis ante- *(pref.) e.g. antepositio uteri prae- (L.) *(pref.) e.g. transfusio praeoperativa pro- (G.) *(pref.) e.g. progeria adultorum; prognathia 5. Posterior position/after sth posterior, ius *(comp. form) e.g. processus posterior tali postero- *(pref.) e.g. infarctus posterolateralis post- (L.) *(pref.) e.g. regio postnasalis; status postabortalis retro- (L.) *(pref.) e.g. spatium retropharyngeum meta- (G.) *(pref.) e.g. ossa metacarpalia 6. Superior position superior, ius *(comp. form) e.g. palpebra superior supero- *(pref.) e.g. nodi lymphatici inguinales superficiales superomediales supra-/super- (L.) *(pref.) e.g. fossa supravesicalis; venae superficiales membri superioris epi- (G.) *(pref.) e.g. venae episclerales hyper- (g.) *(pref.) rarely e.g. hypernephritis 7. Inferior position inferior, ius *(comp. form) e.g. membra inferiora infero- *(pref.) e.g. infarctus inferoposterior infra- (L.) *(pref.) e.g. nervus infraorbitalis sub- (L.) *(pref.) e.g. ductus sublingualis maior hypo- (G.) *(pref.) rarely e.g. hypodermis 8. Internal position internus, a, um e.g. auris interna intra- (L.) *(pref.) e.g haemorrhagia intracranialis endo- (G.) *(pref.) e.g. endocarditis 9. External position externus, a, um e.g. meatus acusticus externus extra- (L.) *(pref.) e.g. circulatio extracorporalis ecto-/exo- (G.) *(pref.) e.g. ectoparasitus; neurosis exogenes