Answer. Ad hoc is a word that originally comes from Latin and means âfor thisâ or for this situation.. In current American English it is used to describe something that has been formed or used for a special and immediate purpose, without previous planning.Ad hoc can be used as an adjective or an adverb.It is used more often as an adjective, especially in these expressions: 1  ad hoc committee. 2  ad hoc group. 3  ad hoc basis.n current American English it is used to describe something that has been formed or used for a special and immediate purpose, without previous planning. Ad hoc can be used as an adjective or an adverb. It is used more often as an adjective, especially in these expressions: 1  ad hoc committee. 2  ad hoc group. 3  ad hoc basis.
pestifero (masc.) (fem. pestifera, masc. pl. pestiferi, fem. pl. pestifere) pestilential, pestiferous; noxious (smell) Anagrams. epistrofe
Microbiological Characteristics. Yersinia pestis is a Gram-negative, bipolar-staining coccobacillus member of the Enterobacteriaceae family, and is an obligate intracellular pathogen that must be contained within the blood to survive.ransmission. Y. pestis has the ability to cause disease in rodents, insects and humans. The primary carriers of the pathogen are the Oriental rat flea, Xenopsylla cheopis, and infected rodents. The path of transmission to humans usually involves a flea feeding on an infected rodent and becoming a carrier of infection.