lymphatic vessel morphology trait lymphatic vessel molecular composition trait 2024-12-11T21:14:39Z Trait.ontology VT:0011143 Any measurable or observable characteristic related to the proportions of proteins, minerals, nutrients, gases, or ther substances in the lymphatic vessels, vessels that contain or convey lymph, that originate as an interfibrillar or intercellular cleft or space in a tissue or organ.