Related by context. Frequent words. (Click for all words.) 72 cell membrane 69 plasma membrane 67 membrane 66 vesicle 66 membrane protein 66 capsid 65 cell membranes 64 epithelium 64 epithelial cells 63 organelle 63 cytoplasm 63 endoplasmic reticulum 62 molecule 62 extracellular 61 membranes 61 proteins 60 epithelial cell 60 organelles 60 microtubules 60 actin 59 cytoplasmic 59 glycoprotein 59 endocytosis 59 glycoproteins 59 mucosa 59 glycans 59 vesicles 58 mammalian cells 58 tyrosine kinase 58 dimer 57 monocytes 57 sialic acid 57 molecules 57 reproductive tract 57 histone 57 β 57 liposome 57 micelles 57 fibrils 57 polypeptide 57 vasculature 57 macrophage 57 phospholipid 57 subunits 57 viral particles 57 gp# [001] 57 intracellular 56 naturally occurring protein 56 calcium ions 56 extracellular matrix 56 lymphatic vessels 56 immune cells 56 microcapsules 56 microtubule 56 cysteine 56 outer layer 56 liposomes 56 nuclei 56 keratinocytes 56 capillaries 56 proteases 56 fibrin 56 epidermis 56 cells 56 protease 56 monolayer 56 stromal cells 56 heme 56 stroma 55 viral RNA 55 cytoskeleton 55 tubulin 55 E cadherin 55 membrane proteins 55 ligand 55 Golgi 55 innate immune response 55 fusion protein 55 effector 55 RNA polymerase 55 subunit 55 dermis 55 tumor cells 55 enzyme 54 lysosomes 54 myelin sheath 54 prion protein 54 nucleosomes 54 neuraminidase 54 protein complexes 54 histones 54 macromolecules 54 chromatin 54 protein 54 gastrointestinal tract 54 CXCR4 54 axon 54 myosin 54 dendritic cells 54 bronchi 54 antigen