lamella vs tissue layer

lamella and tissue layer both are nouns.

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

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

lamella: a thin membrane that is one of the calcified layers that form bones
tissue layer: a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants

Other hypernyms of lamella include membrane.

lamella (noun)	tissue layer (noun)
thin plate	a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
a thin membrane that is one of the calcified layers that form bones
any of the radiating leaflike spore-producing structures on the underside of the cap of a mushroom or similar fungus