germ vs anatomical structure

germ and anatomical structure both are nouns.

Word	Noun	Adjective	Verb	Adverb
germ	Yes	No	No	No
anatomical structure	Yes	No	No	No

As nouns, anatomical structure is a hypernym of germ; that is, anatomical structure is a word with a broader meaning than germ:

germ: a small apparently simple structure (as a fertilized egg) from which new tissue can develop into a complete organism
anatomical structure: a particular complex anatomical part of a living thing and its construction and arrangement

Other hypernyms of germ include bodily structure, body structure, complex body part, structure.

germ (noun)	anatomical structure (noun)
a minute life form (especially a disease-causing bacterium); the term is not in technical use	a particular complex anatomical part of a living thing and its construction and arrangement
a small apparently simple structure (as a fertilized egg) from which new tissue can develop into a complete organism
anything that provides inspiration for later work