matrix vs animal tissue

matrix and animal tissue both are nouns.

Word	Noun	Adjective	Verb	Adverb
matrix	Yes	No	No	No
animal tissue	Yes	No	No	No

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

matrix (noun)	animal tissue (noun)
mold used in the production of phonograph records, type, or other relief surface	the tissue in the bodies of animals
the formative tissue at the base of a nail
the body substance in which tissue cells are embedded
(mathematics) a rectangular array of quantities or expressions set out by rows and columns; treated as a single element and manipulated according to rules
an enclosure within which something originates or develops
(geology) a mass of fine-grained rock in which fossils, crystals, or gems are embedded