
1) Anatomical cavity 2) Bodily cavity 3) Bone cavity 4) Cave or cavity 5) Cavity 6) Cavity in a body organ 7) Cavum 8) Sinus cavity
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https://www.crosswordclues.com/clue/antrum

1) Sinus
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https://www.crosswordclues.com/clue/antrum

In biology, antrum is a general term for a cavity or chamber, which may have specific meaning in reference to certain organs or sites in the body. In vertebrates, it may refer specifically to: In invertebrates, it may refer specifically to: ...
Found on
http://en.wikipedia.org/wiki/Antrum

• (n.) A cavern or cavity, esp. an anatomical cavity or sinus
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http://thinkexist.com/dictionary/meaning/antrum/

(from the article `digestive system, human`) ...wall; it frequently contains a gas bubble, especially after a meal. The largest part of the stomach is known simply as the body; it serves ...
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http://www.britannica.com/eb/a-z/a/85

a hollow cave or SINUS, inside the maxillary bone which is lined by respiratory epithelium.
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http://www.encyclo.co.uk/local/20169

A general term for cavity or chamber which may have specific meaning in reference certain organs or sites in the body. The antrum of the stomach (gastric antrum) is a portion before the outlet which is lined by mucosa which does not produce acid. The paranasal sinuses can be referred to as the frontal antrum, ethmoid antrum, and maxillary antrum.
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http://www.encyclo.co.uk/local/20973

(an´trәm) pl. an´tra, antrums Latin word meaning cavity or chamber. adj., an´tral., adj.
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http://www.encyclo.co.uk/local/21001

A cavity or chamber.
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http://www.encyclo.co.uk/local/21447
An'trum noun ;
plural Antra [ Latin , from Greek ....] A cavern or cavity, esp. an anatomical cavity or sinus .
Huxley. Found on
http://www.encyclo.co.uk/webster/A/99

Type: Term Pronunciation: an′trŭm, -trī, -tră Definitions: 1. Any nearly or relatively closed cavity. Synonyms: pyloric antrum
Found on
http://www.medilexicon.com/medicaldictionary.php?t=5182

Antrum: A general term for cavity or chamber which may have specific meaning in reference certain organs or sites in the body. The antrum of the stomach (gastric antrum) is a portion before the outlet which is lined by mucosa which does not produce acid. The paranasal sinuses can be referred to as the frontal antrum, ethmoid antrum, and maxillary a...
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http://www.medterms.com/script/main/art.asp?articlekey=2290

[
n] - a natural cavity or hollow in a bone
Found on
http://www.webdictionary.co.uk/definition.php?query=antrum

antrum 1. A cavity or hollow within a bone. 2. A normal dilatation within certain hollow organs; such as, the pyloric end of the stomach. 3. A general term for cavity or chamber which may have specific meaning in reference to certain organs or sites in the body. The antrum of the stomach (gastric antrum) is a portion before the outlet which is li...
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http://www.wordinfo.info/words/index/info/view_unit/154/
noun a natural cavity or hollow in a bone
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https://www.encyclo.co.uk/local/20974

Greek antron - cave, hence a space in a bone or organ.
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https://www.encyclo.co.uk/local/21450

a cavity in a body organ, esp. a bone.
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https://www.infoplease.com/dictionary/antrum
No exact match found.