(1) (anatomy) An outer covering of the body or of a bodily organ; an integument.

(2) (parasitology) Host-parasite interface.

(3) (virology) viral tegument: a cluster of proteins that aid in viral DNA replication and evasion of the immune response, located at the space between the cell membrane and nucleocapsid of many enveloped viruses.


Word origin: Latin tegumentum from tegere (to cover).

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