macrocystn.

1874 M. C. Cooke Fungi 175 As early as 1860 he [sc. Tulasne] recognized the large..vesicles which originate the fertile tissue, but did not comprehend the part which these Macrocysts were to perform.

1884 Q. Jrnl. Microsc. Sci. 24 279 Each pair consists of a macrocyst and a so-called paracyst.

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 909 If the conditions of life become unfavourable before maturity is attained, the plasmodium passes into a resting-phase known as the macrocyst, or thick-walled cyst.

1957 Biol. Bull. 113 85 The heavy cellulosic wall of the macrocyst bears a structural likeness to the sorophore sheath of the normal sorocarp.

1976 Jrnl. Embryol. & Exper. Morphol. 36 431 In certain combinations of aggregation-deficient mutants, macrocysts, the sexual stages of Dictyostelium, are formed.

1997 Developm. Growth & Differentiation 39 227 Amoebae of cellular slime molds have two developmental modes, asexual fruiting body formation and sexual macrocyst formation.

1953 C. Wakely Faber Med. Dict. 250/2 Macrocyst, an exceptionally large cyst.

1967 Trans. Amer. Acad. Ophthalmol. & Otolaryngol. 71 442 (title) Intraretinal macrocysts and retinal detachment.

1980 Southern Med. Jrnl. 73 1484 These tumors are usually papillary adenocarcinomas arising from the wall of macrocysts of the breast.

1992 Amer. Jrnl. Roentgenol. 159 89 Thirteen of the cysts, noted in 11 patients between 2 and 20 years old, were macrocysts.

1980 N.Z. Vet. Jrnl. 28 101 (title) Two types of ovine Sarcocystis macrocysts distinguished by periodic acid-Schiff staining of the cyst walls.

1990 Jrnl. Wildlife Dis. 26 387 Macrocysts of a protozoan parasite, Sarcocystis sp., were found in 28 of 173 American black ducks.

1998 Jrnl. Parasitol. 84 562 Sarcocystis giraffae n. sp. formed slim macrocysts with a parasite-induced connective tissue encapsulation of the host muscle fiber.

1976 Clinics in Plastic Surg. 3 205 When a premenopausal woman with nodular breasts presents a biopsy examination characterized by..microcystic disease, macrocystic disease, or lobular neoplasia, her malignant potential will be much greater than when these disease processes are absent.

1979 N.Z. Vet. Jrnl. 27 204 (title) Studies on Sarcocystis species III: The macrocystic species of sheep.

1985 Jrnl. Pediatr. Surg. 20 483 Macrocystic lesions are not usually associated with hydrops and have a favorable prognosis.

1996 Neurology 46 1297 Both the anatomic findings and the course of the disease suggest a constitutional, diffuse cerebral microangiopathy resulting in microcystic, then macrocystic, parenchymal degeneration.