Keywords
shape,3D shape,sphere,spheres,circle,antigen,antigens,molecule,molecules,pathogen,pathogen spray,spray,ligand,granule,granules,bead,beads,ribosomes,degranulation,release,neurotransmitter,neurotransmitters,chemokine,dot,dots,p53,perforin,syringe,needle,injection,inject,feeding tube,feeding,force feeding,hand feeding,gavage,oral gavage,vaccine,vaccination,graduation,medical equipment,medical device,fluid pathway,ball,needle barrel,syringe barrel,three way stop cock,3 bar type stopcock