Vein
C40322
concept
A vein is a blood vessel that carries deoxygenated blood from the body's tissues back toward the heart, typically under lower pressure than arteries and often equipped with valves to prevent backflow.
All labels observed (3)
| Label | Occurrences |
|---|---|
| vein | 2 |
| Blood vessel | 1 |
| Vein canonical | 1 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: Vein
Generated description
A vein is a blood vessel that carries deoxygenated blood from the body's tissues back toward the heart, typically under lower pressure than arteries and often equipped with valves to prevent backflow.
Instances (3)
| Instance | Via concept surface |
|---|---|
| Pulmonary veins | — |
| Superior vena cava | vein |
| Inferior vena cava | vein |