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What is isthmus??????

  • Isthmus is a narrow strip of tissue joining two larger organs or parts of an organ.
  • In this lesson, it is mentioned for thyroid gland.
  • The two lobes of thyroid gland are interconnected with a thin flab of connective tissue, the isthmus.

 

More to Know:

  • In human female reproductive system, the last part of oviduct, isthmus, has a narrow lumen and it joins the uterus.

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An isthmus is a narrow strip of land connecting two larger land areas usually with waterforms on either side. [1] Canalsare often built through isthmuses where they may be particularly advantageous to create a shortcut for marine transportation. ThePanama Canalbisects the Isthmus of Panama, thereby connecting the NorthAtlanticandPacific Oceans; theSuez Canaladjoins the North Atlantic andIndianOceans, cutting across the Isthmus of Suez to connect theMediterranean Seaand theGulf of Suez/Red Sea.Straitis the sea counterpart of isthmus.

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isthmus , narrow neck of land connecting two larger land areas. Since it commands the only land route between two large areas and is on two seas, an isthmus has great strategical and commercial importance and is a favorable situation for a city. In modern times many isthmuses have been cut through by canals to eliminate the necessity of land transport. The most important isthmuses are the Isthmus of Panama, connecting Central and South America, and the Isthmus of Suez, joining Asia and Africa. Canals were dug through both of these. The Isthmus of Corinth between the Morea peninsula and central Greece also has a canal.

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