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The innovation was deceptively simple: a barrel with a piston and a hollow needle that could hold medication precisely and deliver it into tissue
Two hydrogens
lung (alveolar)
efficient release at tissue partial pressures
clathrin coated vesicle necklace | silver pp_anatomy The innovation was deceptively simple:Clathrin coated vesicle necklace sterling silver If you teach endocytosis, you have probably drawn a clathrin lattice on a whiteboard a hundred times. The triskelion built cage that pulls a patch of plasma membrane inward to make a vesicle, the structure that explains how cells pull receptors, nutrients, and viral particles into their interior. The Science of Clathrin Mediated Endocytosis Clathrin is a triskelion: three heavy chains and three light
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