Related by context. Frequent words. (Click for all words.) 53 lymph vessels 53 retinal pigment epithelium 52 photoreceptor cells 51 fluoresces 49 cambium 48 contractile 48 limbus 47 oxidise 47 ablated 46 tubules 46 Nerve cells 46 collagen fibers 46 ganglion cells 46 photosynthesize 45 xylem 45 Immune cells 45 AMPA receptors 44 retinal cells 44 peritoneal cavity 44 Melanomas 43 mutant proteins 43 abnormalities 43 diseased tissues 42 Purkinje cells 42 Langerhans cells 42 abnormal growths 42 neural tissue 41 cranial nerves 41 myocardium 41 supernatant 41 transplanted tissue 41 vascularization 41 perfused 41 optic nerves 41 nystagmus 41 bile acid 40 secrete insulin 40 nerve cells 40 downregulated 40 Asbestos fibers 40 neuronal connections 40 unburnt 40 mycelium 40 transected 40 injected intravenously 40 metastatic tumor 40 overgrow 40 resorbed 39 temporal lobes 39 photosynthesis 39 nutrient uptake 39 chondrocytes 39 regulate gene expression 39 CFTR gene 39 visual cortex 39 retinas 39 ischaemia 39 photosynthetic 39 absorb nutrients 39 neural connections 39 glycation 39 Scientists theorize 39 Spy satellites 39 spatial orientation 39 photophobia 38 polymerized 38 metabolically active 38 lung nodules 38 blinking 38 regenerated 38 subclinical 38 detectible 38 physiologically relevant 38 regrown 37 metabolise 37 encephalitis inflammation 37 regrowing 37 genetic manipulations 37 adenosine triphosphate 37 regenerates 37 greenish blue 37 microparticles 37 biodegrading 37 cerebellar 37 biodegraded 37 entrained 37 fluorescent 37 badly corroded 36 genetic defects 36 engrafted 36 decrements 36 outer 36 detect 36 metabolised 36 diseased 36 acidify 36 effector T 36 unburned 36 regrow 36 BRCA2 gene 36 oily residue