sinus

https://doi.org/10.1351/goldbook.11221
  1. Hollow or cavity.
  2. Channel for the passage of fluid, lacking the usual lining of a blood or lymphatic vessel; especially a dilatation for the passage of venous blood.
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 805 [Terms] [Paper]
Citation: 'sinus' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.11221 RIS BibTex EndNote
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