
1) Canal site 2) Canal site often 3) Common canal site 4) Connecting land strip 5) Connecting strip of land 6) Continental connector 7) Dry land 8) Geographical neck 9) Ground 10) Inverse of a strait 11) Land 12) Land bridge 13) Narrow strip of land 14) Neck 15) Neck of land 16) Panama Canal site 17) Panama Canal traverses one
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https://www.crosswordclues.com/clue/isthmus

1) Connection 2) Neck
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https://www.crosswordclues.com/clue/isthmus

the fleshy projection of the body separating the gill openings
Found on
http://australianmuseum.net.au/Glossary-of-fish-terms

a narrow strip of land bound by water on two sides.
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http://camposaur.com/camping-glossary/

In nematodes: Relatively narrow portion of esophagus just anterior to the basal region.
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http://ppathw3.cals.cornell.edu/glossary/Defs_I.htm

• (n.) A neck or narrow slip of land by which two continents are connected, or by which a peninsula is united to the mainland; as, the Isthmus of Panama; the Isthmus of Suez, etc.
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http://thinkexist.com/dictionary/meaning/isthmus/

the middle region of the hair follicle which usually contans the sebaceous gland.
Found on
http://www.americanhairloss.org/hair_loss_glossary/

A narrow strip of land located between two bodies of water, connecting two larger land areas.
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http://www.americantrails.org/

narrow strip of land connecting two large land areas otherwise separated by the sea. Unquestionably the two most famous are the Isthmus of Panama, ...
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http://www.britannica.com/eb/a-z/i/45

A narrow part inside the body that connects two larger structures.
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http://www.cancer.gov/dictionary?expand=I

Origin: L. Isthmus, Gr. 'isqmos a neck, a neck of land between two seas, an isthmus, especially the Isthmus of Corinth; prob. From the root of 'ienai to go; cf. Icel. Eith isthmus. See Issue. ... <geography> A neck or narrow slip of land by which two continents are connected, or by which a peninsula is united to the mainland; as, the Isthmus ...
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http://www.encyclo.co.uk/local/20973

(is´mәs) a narrow connection between two larger bodies or parts. adj., isth´mian., adj.
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http://www.encyclo.co.uk/local/21001
Isth'mus noun ;
plural Isthmuses . [ Latin
isthmus , Greek
'isqmo`s a neck, a neck of land between two seas, an isthmus, especially the Isthmus of Corinth; probably from the root of
'ie`nai to go; confer Icelandic
eið isthmus. See
Issue .]
...Found on
http://www.encyclo.co.uk/webster/I/104

(is;mus) A narrow neck or portion of tissue connecting two structures.
Found on
http://www.mhhe.com/biosci/abio/glossary.mhtml

An isthmus is a narrow strip of land joining two large land areas or joining a peninsula to the mainland. Examples: the isthmuses of Panama and Suez.
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http://www.probertencyclopaedia.com/browse/AI.HTM

Narrow strip of land linking two larger land masses.
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http://www.quick-facts.co.uk/earth/glossary.html

the fleshy projection of the body separating the gill openings
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http://www.translationdirectory.com/glossaries/glossary302.php

The middle region of the hair follicle which usually contains the sebaceous gland.
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http://www.webmd.com/skin-problems-and-treatments/hair-loss/hair-loss-gloss

isthmus (s), isthmi (pl) 1. A narrow strip of land that joins two larger areas of land. 2. A narrow connection or passage between parts of the body. 3. A narrow strip of tissue joining two larger organs or parts of an organ. 4. A narrow passage connecting two larger cavities.
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http://www.wordinfo.info/words/index/info/view_unit/1095/
band noun a cord-like tissue connecting two larger parts of an anatomical structure
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https://www.encyclo.co.uk/local/20974

Greek isthmos - a narrow passage.
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https://www.encyclo.co.uk/local/21450

Narrow strip of land with sea either side.
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https://www.encyclo.co.uk/local/22055

the part of the female reproductive tract where the inner and outer shell membranes are added
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https://www.encyclo.co.uk/local/22440

a narrow strip of land, bordered on both sides by water, connecting two larger bodies of land. · a connecting, usually narrow, part, organ, or passage, esp. when joining structures or cavities larger than itself. · the narrow fleshy area between the sides of the lower jaw of a fish.
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https://www.infoplease.com/dictionary/isthmus

a narrow strip of land bound by water on two sides.
Found on
https://www.mnn.com/earth-matters/wilderness-resources/stories/beginners-gl
No exact match found.