anatomical projection papilla galen:Ridge flanges NCIT:C61549 shelves lamella should be declared disjoint from organ, but in some ontologies (e.g. ZFA), structures such as neural spines are classified as bones (and hence organs) projections AAO:0010278 processes processus ridge Anatomical structure that is a natural outgrowth, projection, or appendage. A process can be part of a bone, cartilage, tissue, fin, scale, etc.[TAO] process flange HAO:0000822 XAO:0004020 Anatomical structure that is a natural outgrowth, projection, or appendage. A process can be part of a bone, cartilage, tissue, fin, scale, etc.[VSAO] lamina Anatomical structure that is a natural outgrowth, projection, or appendage. A process can be part of a bone, cartilage, or tissue.[AAO] FMA:67601 ridges UBERON:0004529 Wikipedia:Process_(anatomy) anatomical protrusion anatomical process lamellae shelf projection VSAO:0000180 process of organ TAO:0001834 organ process laminae uberon protrusion spine A projection or outgrowth of tissue from a larger body or organ. projection morphological feature