vena obturatoria vs vena

vena obturatoria and vena both are nouns.

Word	Noun	Adjective	Verb	Adverb
vena obturatoria	Yes	No	No	No
vena	Yes	No	No	No

As nouns, vena is a hypernym of vena obturatoria; that is, vena is a word with a broader meaning than vena obturatoria:

vena obturatoria: a vein formed by the union of tributaries that drain the hip joints and thigh muscles; empties into the internal iliac vein
vena: a blood vessel that carries blood from the capillaries toward the heart

Other hypernyms of vena obturatoria include vein, venous blood vessel.

vena obturatoria (noun)	vena (noun)
a vein formed by the union of tributaries that drain the hip joints and thigh muscles; empties into the internal iliac vein	a blood vessel that carries blood from the capillaries toward the heart