Fig. 4
From: Specimen, biological structure, and spatial ontologies in support of a Human Reference Atlas
Data specification diagram. Major entities and their relationships are shown as used in JSON-LD. Note that a Sample comes_from a Donor; it is either a Tissue Block or a Tissue Section. A Dataset might be generated from a Sample. A Sample typically has a Spatial Entity which defines its size in relation to a Spatial Object Reference via a Spatial Placement.
