counterligand

plural counterligands

1. biochemistryA ligand that occupies the normal place of another

   The involvement in neuroimmune surveillance of P-selectin, a major counterligand for PSGL-1 [6 ] responsible for the initial tethering and rolling of leucocytes on blood vessels, was highlighted by Carrithers and collaborators [7 ].

   2016 March 5, “T-Lymphocytes Traffic into the Brain across the Blood-CSF Barrier: Evidence Using a Reconstituted Choroid Plexus Epithelium”, in PLOS ONE, →DOI