is a specific kind of: tissue.

is a broader term that covers: chalaza | embryonic tissue | coronet | epithelial tissue, epithelium | flesh | capillary bed | parenchyma | interstitial tissue | adipose tissue, fat, fatty tissue | connective tissue | lymphatic tissue, lymphoid tissue | cartilage, gristle | erectile tissue | muscle, muscular tissue | fibrous tissue | nerve tissue, nervous tissue | gingiva, gum | cortex, lens cortex | flap | membrane, tissue layer | cortex | medulla | matrix | graft, transplant | stroma ... show more.

is contained in: animal, animate being, beast, brute, creature, fauna.