axolemma vs tissue layer

axolemma and tissue layer both are nouns.

Word	Noun	Adjective	Verb	Adverb
axolemma	Yes	No	No	No
tissue layer	Yes	No	No	No

As nouns, tissue layer is a hypernym of axolemma; that is, tissue layer is a word with a broader meaning than axolemma:

axolemma: outer membrane covering an axon
tissue layer: a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants

Other hypernyms of axolemma include membrane.

axolemma (noun)	tissue layer (noun)
outer membrane covering an axon	a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants