carotid artery morphology trait carotid artery molecular composition trait 2025-10-22T13:20:40Z Trait.ontology Any measurable or observable characteristic related to the proportions of proteins, minerals, nutrients, gases, or other substances in the bilaterally paired branched artery that originates from the aortic arches and divides into and includes as parts the internal and external carotid arteries. VT:0011235 artery molecular composition trait