Sinus
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Sinus may refer to:
In anatomy, where a sinus is a sac or cavity in any organ or tissue:
- Paranasal sinus, an air cavity in the cranial bones, especially those near the nose
- Sinus (anatomy), description of the general term
- Anal sinuses, the furrows which separate the columns in the rectum
- Dural venous sinuses, venous channels found between layers of dura mater in the brain
In the heart:
- Sinus node, a structure in the superior part of the right atrium
- Sinus rhythm, normal beating on an ECG
- Coronary sinus, a vein collecting blood from the myocardium
- Sinus venosus, a cavity in the heart of embryos
- Sinus venarum, a part of the wall of the right atrium in adults, developed from the sinus venosus
Other:
- Sinus (botany), a space or indentation, usually on a leaf
- Sinus Asperitatis, an area on the Moon
See also
- Hemocoel, a space filled with hemolymph in organisms with open circulatory systems
- Sine a trigonometric math function (Latin sinus)
- Sines, Portugal, a municipality in Alentejo (Latin Sinus)
- Sinusitis, a common ailment resulting in the inflammation of the paranasal sinuses
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
