Other anatomical structures to which this structure is connected.

Component (sub-)structure(s) that comprise this anatomical structure.

Specifying something physically contained by something else. Typically used here for the underlying anatomical structures, such as organs, that comprise the anatomical system.

Related anatomical structure(s) that are not part of the system but relate or connect to it, such as vascular bundles associated with an organ system.

The branches that comprise the arterial structure.

The source or cause of the event.

The area to which the artery supplies blood.

The anatomical or organ system drained by this vessel; generally refers to a specific part of an organ.

The anatomy of the underlying organ system or structures associated with this entity.

The place of attachment of a muscle, or what the muscle moves.

The place or point where a muscle arises.

The branches that delineate from the nerve bundle. Not to be confused with [branchOf](https://schema.org/branchOf).

The neurological pathway extension that inputs and sends information to the brain or spinal cord.

Anatomical systems or structures that relate to the superficial anatomy.

The anatomical or organ system that the vein flows into; a larger structure that the vein connects to.

Tissue, organ, biological sample, etc in which activity of this gene has been observed experimentally. For example brain, digestive system.