EOG8XKXMZ GO:0016021 23/55 integral component of membrane cellular_component "The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane." [GOC:dos, GOC:go_curators] EOG8XKXMZ GO:0005328 23/55 neurotransmitter:sodium symporter activity molecular_function "Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: neurotransmitter(out) + Na+(out) = neurotransmitter(in) + Na+(in)." [TC:2.A.22.-.-] EOG8XKXMZ GO:0002009 1/55 morphogenesis of an epithelium biological_process "The process in which the anatomical structures of epithelia are generated and organized. An epithelium consists of closely packed cells arranged in one or more layers, that covers the outer surfaces of the body or lines any internal cavity or tube." [GOC:dph, GOC:jl, GOC:tb, ISBN:0198506732]