specialist; expert

osteology

(anatomy) skeleton; a firm structure made up of bones that supports the body and its organs / the basis that forms something; a framework

knowledge

speciality/specialty; subject of study; subject of expertise; area of interest; profession

human, person, human being / personality, character / (Buddhism) literally meaning: "human society", referring to one of the six realms of reincarnation in Buddhist cosmology.

(archaic) the world in which people live; the world, society

(dated, rare) a place devoid of people

to hold, to carry something / to have, to possess / to hold up, to maintain

holding, possession / wear, durability