Host body

A host body is a body used/infected/possessed by another creature, usually one who is incorporeal or very small in size.

Host bodies

 * Lady Cassandra used several bodies as hosts, including Rose Tyler, the Tenth Doctor and Chip when she had left her own body, through the use of a psychograft. (DW. New Earth)
 * The Gorgon had used the Abbess as a host body for a long time, and chose Sarah Jane Smith as a replacement. (SJA: Eye of the Gorgon)
 * The Sex Gas possessed the body of Carys Fletcher. (TW: Day One)
 * Judson and Sorin acted as the host bodies for Fenric. (DW: The Curse of Fenric)
 * Toby Zed and various Ood were possessed by the Beast. (DW: The Impossible Planet / The Satan Pit)
 * Sarah Jane Smith was possessed by an Eight Legs. (DW: Planet of the Spiders)
 * The Doctor was temporarily possessed by the Timewyrm. (NA: Timewyrm: Revelation)
 * The Gelth took many corpses in Gabriel Sneed's mortuary as host bodies, including Mr Redpath and his grandmother Mrs Peace. (DW: The Unquiet Dead)
 * The Host was an human boy who got infected by a lupine wavelength haemovariform that had managed to survive a crash landing on Earth by passing into the bloodstream of several hosts and adapting through the generations. (DW: Tooth and Claw)
 * The High Priestess of the Sibylline Sisterhood was a host body for a Pyrovile in an early stage. (DW: The Fires of Pompeii)
 * Sky Silvestry and the Tenth Doctor became posessed by the Midnight Entity (DW: Midnight)
 * The Mayfly needed host bodies as they grew. It needed a perfect host, and so cleared the body of all imperfections. (TW: Reset)
 * The Nostrovites need a host for their eggs, as a third member of their reproduction process. (TW: Something Borrowed)
 * Meglos used an "earthling" as a host body to impersonate the Fourth Doctor. (DW: Meglos)
 * Androvax possessed the body of Sarah Jane Smith. (SJA: Prisoner of the Judoon)
 * Kroagnon possessed the body of the Chief Caretaker in order to escape his imprisonment in the basement of Paradise Towers. (DW: Paradise Towers)
 * Wirrn gestate inside host bodies and absorb the intellect and memories of their hosts (DW: The Ark in Space, BFA: Wirrn Dawn)
 * The Doctor and several crew members of the Bi-Al Foundation were hosts for the intelligent virus lead by the Nucleus (DW: The Invisible Enemy)
 * Four townspeople were apparently killed and had their bodies taken over by the Family of Blood. (DW: Human Nature/The Family of Blood)