A fish of a class distinguished by having a skeleton of cartilage rather than bone, including the sharks, rays, and chimaeras. (FAOLEX. 2025. Glossary https://www.fao.org/faolex/)
Also known as articulations, these are points of connection between the ends of certain separate bones, or where the borders of other bones are juxtaposed. (MeSH. 2024. Joints. https://meshb-prev.nlm.nih.gov/record/ui?ui=D007596)
Plant morphology is a field of study dealing with the external and gross internal structure of plant organs. (Simpson, M. 2010. Plant Morphology. 10.1016/B978-0-12-374380-0.50009-9.)
