neurotransmitter receptor activity | transmembrane signaling receptor activity | G-protein coupled receptor activity | G-protein coupled amine receptor activity | signaling receptor activity | G-protein coupled serotonin receptor activity
regulation of blood vessel diameter | cellular process | chemical synaptic transmission | regulation of cellular process | smooth muscle contraction | G-protein coupled receptor activity | muscle contraction | response to stimulus | regulation of blood vessel size | circadian rhythm | G-protein coupled amine receptor activity | rhythmic process | blood circulation | G-protein coupled receptor signaling pathway | cell-cell signaling | negative regulation of blood vessel diameter | synaptic signaling | vasoconstriction | cell communication | regulation of tube size | regulation of tube diameter | G-protein coupled serotonin receptor activity | G-protein coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger | signaling | G-protein coupled serotonin receptor signaling pathway | serotonin receptor signaling pathway | muscle system process | signal transduction | multicellular organismal process
integral component of membrane | dendrite | neuron projection | somatodendritic compartment | cell | intrinsic component of membrane | dendritic tree | cell projection | plasma membrane | integral component of plasma membrane | cell periphery | membrane | intrinsic component of plasma membrane