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Obligate parasite

1. A parasitic organism that cannot complete its life cycle without exploiting a suitable host. If an obligate parasite cannot obtain a host it will fail to reproduce. (wikipedia.org) 2. An organism that occurs in intimate association with, and which is wholly dependent for its nutrition on, another living organism (Holliday,...

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Obturator

/ˈäbt(y)əˌrātər/ Noun, pl. obturators 1. (Surgery) An object used to obstruct a hole, such as a fissure of the palate. (wiktionary.org); an apparatus designed to close an unnatural opening, as a fissure of the palate. (biology-online.org) 2. A prosthesis used to close an opening (as to close an opening of the hard palate in cases of cleft palate. (wordnetweb.princeton.edu) Word origin: From Latin obtūrō “to stop, block...

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Obturator foramen

1. The hole created by the ischium and pubis bones of the pelvis through which nerves and blood vessels pass. (wikipedia.org) 2. An opening that is the largest foramen in the human body, is situated between the ischium and pubis of the hip bone, and is closed by the obturator membrane except for the obturator canal. (merriam-webster.com) 3. A large opening in the hipbone between the pubis and the ischium. (Google Dictionary) 4. An opening situated between the public and ischial parts of the innominate bone and closed by the obturator membrane; the thyroid foramen. Word origin: From Latin foramen “hole, opening, aperture, orifice,” from forare “to...

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