Emilio Ureta Rojas
Emilio Ureta Rojas, Chilean entomologist (Vicuña 29 April 1907 – Santiago 04 November 1959) Authored about 50 works DESCRIBED LEPIDOPTERA TAXA Genera Chionanema 1955 Hypsochila 1955 Stachyocera 1959 Species About 90 HONORS Uretacris Liebermann 1943 (Orthoptera)
Danuncia Urban
Danuncia Urban, Brazilian entomologist (Curitiba 13 May 1933 – From a family of Polish immigrants DESCRIBED HYMENOPTERA TAXA Genera Actenosigynes 1999 with Graf & Moure Albinaspis 2000 with Graf Ananthidium 1992 Baptonedys 1999 with Moure & Graf Carloticola 1990 with Moure Ceblurgus 1993 with Moure Chrisanthidium 1997 Ctenanthidium 1993 Dicranthidium 1976 with Moure Grafanthidium 1995 Hamatothrix 1989 Hypanthidioides 1975 with Moure Ketianthidium 1999 Larocanthidium 1997 Loyolanthidium 2001 Melostelis 2011 Michanthidium 1995 Mielkeanthidium 1996 Mirnapis 1998 Moureanthidium 1995 Moureisca 1973 with Graf & DeSantis Rhynostelis 1995 with Moure Santiago 1989 Tylanthidium 1995 Species 319 (until 2014)
Cesar Uribe Piedrahita
Cesar Uribe Piedrahita, Colombian parasitologist and novelist (Medellín 19 November 1896 – Bogotá 17 December 1951) Discovered that bites of Rhodnius sp. transmit trypanosomiasis too (1926) With H. Groot & S. Renjifo, discovered Trypanosoma ariarii, causative agent of trypanosomiasis of Ariari River Valley (1951) With K. Mezey performed the first pharmacodynamical study about poison niaara (1945) With Kalman Mezey, Pataki & Huertas Lozano isolated cardioactive glycoside niaarine and described its properties and effects (1948-9) Described new species as Cercaria reptans (1925), Cercaria usaquenensis (1944), Alaria arisaemoides 1927 and Crithidia orthea 1926 HONOURS Order of Nile River by King Fouad of Egypt LINKS http://www.accefyn.org.co/revista/Vol_21/80/295-311.pdf (Spanish)
Cengiz Uluçay
Cengiz Uluçay, Turkish mathematician (Istanbul 15 February 1915 – 1989) Restricted sheaf theory. J. Fac. Scien. K.T.U. 3(7):59-68, 1980 OTHER CONTRIBUTIONS A criterion for restricted ideal sheaves and on regular covering spaces. Comm. Fac. Scien. de l’Univ. D’Ankara Ser A 33:15-20, 1984 On an extremalization method in the theory of analytic functions. Comm. Fac. Scien. de l’Univ. D’Ankara 23:85-93, 1974 A general formulation of an extremalization problem. Comm. Fac. Scien. de l’Univ. D’Ankara 19 A:11-22, 1971 Bloch functions and the definition of a new constant (1954) On a general principle in the theory of analytic functions
Alfredo Ulloa Aguirre
Alfredo Antonio Ulloa-Aguirre, Mexican reproductive endocrinologist (Ciudad de Mexico 1949 – Authored over 180 papers, 42 book chapters with 7,800 citations (h-index 52) Recognized internationally as expert on G-protein coupled proteins and a leader in the field of gonadotrophin heterogeneity Developed laboratory methods to characterize the biochemical and biological features of follicle-stimulating glycoforms Described hypogonadotrophic hypogonadism by hypothalamic dysfunction in Steinert disease (1975) With G. Perez Palacios e M. Medina proposed new concepts on action mechanisms of sex steroidal hormones With J.P. Mendez, A. Cravioto, E. Grotjan, P. Damián-Matsumura & R. Espinoza described and characterized biologically the human chorionic gonadotropin isotypes produced and secreted during the morphological and functional differentiation of the human cytotrophoblast in culture in Human Reprod. 5:661, 1990 With A. Cravioto, P. Damián Matsumura, M. Jimenez & E. Zambrano first detailled characterization of the biological attributes of the naturally occurring analogs of human follicle-stimulating hormone in Human Reprod. 7:23, 1992 With L. Díaz Cueto, J.P. Mendez & J.D. Veldhuis documented in humans the co-existence of a variety of biochemical and functional mechanisms by which the placenta and the pituitary gland regulate the biochemical composition and the intensity of gonadotropic stimulus in J. Clin. Endocrinol. Metab. 78:890, 1994 & 80:1647, 1995 With J.P. Mendez, S. Kofman-Alfaro, O. Mutchinick et al. established a detailed description of the clinical, cytogenetic, endocrinologic and histopathologic features of patients with gonada dysgenesis in Am. J. Med. Genet. 46:263, 1993 With J.P. Mendez, V. Díaz Sanchez, A. Altamirano & G. Perez Palacios described the development of a biphasic testicular response to exogenous hcG in J. Clin. Endocrinol. Metab. 61:926, 1985 With J. Larriva Sahd, L. Carrillo, H. Orozco & F. Larrea demonstrated that the human placenta is a site of sex hormone binding globlin gene expression. J. Steroid Biochem. Mol. Biol. 46:497, 1993
Alberto Urrets Zavalia
Alberto Urrets Zavalía Maldonado, Argentine ophthalmologist (Cordoba 30 September 1920 – Cordoba 31 July 2010) Authored about 200 presentations and publications CONTRIBUTIONS Individualized the cyclovertical component in strabismus First to propose the dehydration of the vitreous body in glaucoma patients before ocular surgery Described the V-Z procedure for the correction of senile ectropion First noticed the element of vertical incomitance in a case of horizontal strabismus known later as AV pattern (1948) Authored Décollement de la rétine (1968), a standard work in this field for many years Developed a fixation pick and scleral depressor for retinal detachment surgery (Urrets Zavalía depressor and fixation pick) and the Urrets Zavalía scleral marker NEW DISEASES Described bilateral congenital inferior oblique palsy (1948) Family primary hypoplasia of the orbital margin. Trans. Am. Acad. Ophthal. Otolaryng. 59:42-59, 1955 A fixed, dilated pupil iris atrophy and secondary glaucoma. A distinct clinical entity following penetrating keratoplasty in keratoconus. Am. J. Ophth. 56:257-65, 1963 (Urrets Zavalía syndrome) With E.S. Jimenez. Hereditary ciliary and superciliary hypotrichosis of a dominant character. Brit. J. Ophthal. 42:697-708, 1964 With C. Katz. Corneal hemochromatosis: an unique type of corneal dystrophy involving the anterior stroma and both limiting membranes. Amer. J. Ophthal. 72(1):88-96, 1971 HONOURS Castroviejo Award, Cornea Society (1983)