Also known as: sr.
SR stands for various terms. Discover the full forms, meanings, and possible interpretations of SR across different fields and industries.
The special type of smooth endoplasmic reticulum found in smooth and striated muscle fibers whose function is to store and release calcium ions.
BiologyMedicalReticulumFor nautical purposes is when Sun's upper limb is in eastern horizon Zenith distance is then 90deg 50' (Refr 34' SD 16').
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