Zool. [mod. f. ENTO- + ζῷον animal.] A parasitic animal that lives within another. Also attrib. In pl. entozoa, a class of animals taking their name from their mode of existence, though, as regards structure, they belong to various classes.
1836–9. Todd, Cycl. Anat., II. 114. This singular Entozoon [i.e., Trichina] I discovered in a portion of the muscles of a male subject.
1875. H. Walton, Dis. Eye, 25. The entozoon was about the size of a garden-pea.
1856. Lancet, 12 Jan., 41/1. Entozoon worms inhabiting the living body.
1882. E. O’Donovan, Merv Oasis, II. 105. The stagnant rain-pools almost invariably contain the eggs of entozoon animals.
pl. 1834. McMurtrie, Cuvier’s Anim. Kingd., 475. The second order of the Entozoa comprises [etc.].
1851–9. Owen, in Adm. Man. Sci. Enq., 383. They should be examined for the presence of entozoa.
1876. trans. Wagner’s Gen. Pathol., 109. The fate of entozoa depends more upon chance than that of any other animals.
Also Entozoal a., a. of or pertaining to the Entozoa; b. of disease: Caused by the presence of Entozoa. Entozoic a. [+ -IC.] = prec. Entozoologically adv., with reference to entozoology; from the point of view of an entozoologist. Entozoologist, one who studies entozoology; one who makes the Entozoa an especial study. Entozoology, that branch of zoology which treats of the Entozoa.
1864. Reader, IV. 669/2. For preventing the ravages of this, as of all other forms of *entozoal disease, the great remedy is cleanliness. Ibid. (1866), No. 159. 36/3. The entozoal portions.
1861. Hulme, trans. Moquin-Tandon, II. VII. 324. Crustaceous Entozoa;… *Entozoic Worms.
1869. E. A. Parkes, Pract. Hygiene (ed. 3), 490. Some entozoic influence may be at work.
1879. G. Allen, Col. Sense, iii. 24. The lower vermiform Articulata are mostly entozoic, and these of course are quite blind.
1865. Reader, 4 Feb., 143/2. Still, *entozoologically speaking, no harm follows.
