comment added about 7 years ago by Matt Yoder
We should examine our concept of line and whether it really is a synonym of anatomical line. Anatomical lines are immaterial anatomical entities, which have NO mass. Doesn't a carina have mass? Can something with no mass be part of a structure that does have mass?
Reference: Haendel, M. A., F. Neuhaus, D. Osumi-Sutherland, P. M. Mabee, J. L. V. Mejino, C. J. Mungall, and B. Smith. 2008. CARO - The Common Anatomy Reference Ontology. Pp. 311-333 in: Anatomy Ontologies for Bioinformatics: Principles and Practice; Burger, A, Davidson, D, Baldock, R (Eds.). Springer. 356 pp.
Cross reference: None provided.