obsolete cell wall strengthening in symbiont involved in entry into host true OBSOLETE. A process in which the cell wall of the symbiont is strengthened or thickened during penetration into the body, tissues, or cells of the host organism. The host is defined as the larger of the organisms involved in a symbiotic interaction. This term was obsoleted because there is no evidence that this process exists. symbiont cell wall strengthening during entry into host biological_process GO:0075048 cell wall thickening in symbiont during entry into host cell wall strengthening in symbiont during entry into host