'''Isthmus''' [[Graece]] ''ἰσθμός'' 'collum') est angustus [[terra (regio)|terrae]] tractus qui duas[[duo|binas]] maiores regiones[[regio]]nes terrestres, saepissime contra conformationes [[aqua]]ticas alterutro latere adligat.<ref>[http://www.britannica.com/EBchecked/topic/297042/isthmus In Encyclopædia Britannica"Isthmus."] Retrieved December 07, 2009, ex ''Encyclopædia Britannica Online.'']</ref> Notissime, [[Isthmus Corinthius]] [[paeninsula]]m [[Peloponnesus|Peloponnesum]] et reliquias Paeninsulae [[Graecia|Graecie]] conectit, [[Isthmus Panamensis]] [[continens|continentes]] [[America Septentrionalis|Ameriam Septentrionalem]] et [[America Meridionalis|Americam Meridionalem]] ([[America]]m),<ref>{{cite news | url=http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=16401 | title=Panama: Isthmus that Changed the World | accessdate=2008-07-01 | publisher=[[NASA]] Earth Observatory}}.</ref> et [[Isthmus SuezSuesiensis]] [[Aegyptus|Aegypti]] [[Africa]]m et [[Asia]]m (vel [[Eurasia]]m) conectit.
[[Canalis|Canales]] saepe per isthmos exfossi sunt, ubi possint utiles ad efficienda praecisa<!--shortcut--> [[transportatio]]nis marinimaritimi itinera. [[Canalis Panamensis]] Isthmum Panamensem bisectat, ergo [[oceanus|oceanos]] [[Oceanus Atlanticus|Atlanticum]] Septentrionalem et [[Oceanus Pacificus|Pacificum]] conectens; [[Canalis SuezSuesiensis]] oceanos Atlanticum Septentrionalem et [[Oceanus Indicus|Indicum]] adligat, [[Isthmus SuezSuesiensis|Isthmo SuezSuesiensi]] ad coniungenda [[Mare Mediterraneum]] et [[Sinus Heroopoliticus|Sinum Heroopoliticum]] ([[Mare Rubrum]]) transsecto. Simillima isthmi res marina est [[fretum]].
== Index isthmorum ==
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* Mellander, Gustavo A., et Nelly Maldonado Mellander. [[1999]]. ''Charles Edward Magoon: The Panama Years.'' Río Piedras, Puerto Rico: Editorial Plaza Mayor. ISBN 1-56328-155-4. OCLC 42970390.
* Wolf, Armin. [[1997]]. ''Hatte Homer eine Karte?'' Karlsruhe. ISBN 3-89063-009-X.
