There are multiple definitions:

1. sentinel lymphnode(English)

   • the first node to receive the drainage directly from a primary tumor. Also denoted as sN
   • SLNB, PE, CLND, TLND
   • Oncology, Lymphatic system/lymphoma, Biopsy
   • https://doi.org….1002/jso.20022
   • https://doi.org…JCO.2003.01.063

2. superior laryngeal nerve(English)

   • arises immediately beneath the nodose ganglion of the upper vagus and descends medial to the carotid sheath. It divides into its internal and external branches about 2 or 3 cm above the superior pole of the thyroid, although this point may vary
   • Anatomy
   • https://doi.org…66127-0.00036-3

3. solid lipid nanoparticle(English)

   • represents an alternative carrier system to traditional colloidal carriers, such as emulsions, liposomes and polymeric micro- and nanoparticles
   • LNP
   • Nano-sciences
   • https://doi.org…6411(00)00087-4