patellar reflex vs reflex

patellar reflex and reflex both are nouns.

Word	Noun	Adjective	Verb	Adverb
patellar reflex	Yes	No	No	No
reflex	Yes	Yes	No	No

As nouns, reflex is a hypernym of patellar reflex; that is, reflex is a word with a broader meaning than patellar reflex:

patellar reflex: a reflex extension of the leg resulting from a sharp tap on the patellar tendon
reflex: an automatic instinctive unlearned reaction to a stimulus

patellar reflex (noun)	reflex (noun)
a reflex extension of the leg resulting from a sharp tap on the patellar tendon	an automatic instinctive unlearned reaction to a stimulus

patellar reflex (adjective)	reflex (adjective)
	without volition or conscious control