vena thoracoepigastrica vs thoracoepigastric vein

vena thoracoepigastrica and thoracoepigastric vein both are nouns.

Word	Noun	Adjective	Verb	Adverb
vena thoracoepigastrica	Yes	No	No	No
thoracoepigastric vein	Yes	No	No	No

As nouns, vena thoracoepigastrica and thoracoepigastric vein are synonyms defined as:

vena thoracoepigastrica and thoracoepigastric vein: a vein arising from the region of the superficial epigastric vein and opening into the axillary vein or thoracic vein

vena thoracoepigastrica (noun)	thoracoepigastric vein (noun)
a vein arising from the region of the superficial epigastric vein and opening into the axillary vein or thoracic vein	a vein arising from the region of the superficial epigastric vein and opening into the axillary vein or thoracic vein