Triple

T25028687

Position	Surface form	Disambiguated ID	Type / Status
Subject	foramen of Magendie	`E626778`	entity
Predicate	instanceOf	`P0`	FINISHED
Object	median aperture of the fourth ventricle	`C49707`	CONCEPT FINISHED

How this triple was built (1 step)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

CD Concept disambiguation gpt-5-mini-2025-08-07

Target class: median aperture of the fourth ventricle
Context triple: [foramen of Magendie, instanceOf, median aperture of the fourth ventricle]

A. perivascular space
A perivascular space is a fluid-filled, microscopic channel that surrounds blood vessels as they pass through the brain or other tissues, facilitating fluid exchange and waste clearance.
B. isthmus
An isthmus is a narrow strip of land bordered by water on both sides that connects two larger landmasses.
C. arboreal tract
An arboreal tract is a continuous area of tree-dominated vegetation that provides habitat, connectivity, and ecological functions within a forested or wooded landscape.
D. orbital region
The orbital region is the anatomical area of the skull that surrounds and contains the eye, including its bony socket and associated soft tissues.
E. მწვერვალი
მწვერვალი არის მთის ან ბორცვის უმაღლესი წერტილი, რომელიც სიმაღლითა და ხილვადობით გამოირჩევა გარემომცველი რელიეფის ფონზე.
F. None of above. chosen

Provenance (1 batch)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step	Stage	Batch ID	Status	When
creating	Elicitation	`batch_69e2ff28ee3881909c626af002457a4a`	completed	April 18, 2026, 3:48 a.m.

Created at: April 18, 2026, 6:07 a.m.