Pedro Larghero Ibarz
Pedro Larghero Ibarz or Ybarz, Uruguayan surgeon (Montevideo 13 March 1901 – Montevideo 1963) Authored 172 papers Described Larghero Ibarz cholecystographic halo sign (1962) Eponym of Larghero cholecystis or exfoliative cholecystis SOME BIBLIOGRAPHY With W. Venturino & G. Broli. Equinococosis hidatica del abdomen (1962) With H. Ardao & P. Purriel. Pioneumotorax y colepioneumotorax hidático (1935) Foreign Associate Member, Academie de Chirurgie de France (1948)
Pedro Lagleyze
Pedro Lagleyze Gastelú, Argentine ophthalmologist (Buenos Aires 03 September 1855 – Buenos Aires 14 August 1916) Son of French immigrants Described the aneurismatic degeneration of the retinal arteries or Lagleyze-Von Hippel disease (1888) Developed surgical procedures and instruments OPERATIONS/APPARATUSES An operation for entropion for upper and lower eyelid (Lagleyze technique) Operation for entropion and trichiasis by a new method. Ann. Ophthalm. St. Louis 14:473-7, 1905 A tucking operation of the eye for strabismus with muscle shortening (Lagleyze method) Nuevo procedimiento para el acortamiento muscular en el estrabismo (1891) Placing ocular prosthesis employing paraffin spheres after nucleation (Lagleyze method) A procedure for pterygion Transconjunctival approach for treatment of cysts (1884) Auto-ophthalmoscopic procedure (Nuevo proceder de auto-oftalmoscopia. An. Circ. Med. Arg. 6:283, 1883) Amputation of anterior segment of ocular globe Lagleyze needle A device for demonstrating ocular refraction states
Paul LeCointe
Paul Georges Aimé Le Cointe, French-born Brazilian chemist and geographer (Tournon, Ardeche 24 September 1870 – Belém 03 February 1956) Studied natural products from Amazonian flora With C. Pesce discovered the properties of ucuuba tallow Performed the first studies on chemistry and toxicology of Ryania genus plants (1923) O princípio ativo das plantas do gênero Ryania ou Patrisia (Flacourtiaceae). Bol. Esc. Chim. Ind. Belém 1:43-7, 1929 SOME BIBLIOGRAPHY A valorização da borracha e o processo de coagulação Cerqueira Pinto (1918) A cultura do cacau na Amazônia (1919) L’Amazonie Brésilienne (1922) Apontamentos para a exploração da batata e da juta da Amazônia (1923) Note sur las graines oleagineuses, les baumes et le resine de la foret amazonienne (1927) Principais madeiras paraenses (1929) Apontamentos sobre as sementes oleaginosas, bálsamos, resinas, essências, borrachas, gutas da Floresta amazônica (1931-9) Amazônia Brasileira. III: Arvores e plantas úteis (indígenas e aclimadas). Nomes, vernáculos e nomes vulgares. Classificação botânica. Habitat. Principais aplicações e propriedades (1934-7) O Estado Pará: Terra, água e ar (1945) Arvores e plantas indígenas e aclimatadas (1947) L’élerage em Amazonie HONORS Genus Lecointea Ducke 1922 (Fabaceae) Prix Rinoux, Academie Française des Sciences
Pablo de La Llave
Pablo de La Llave Fernandez, Mexican naturalist, philologist and politician (Cordoba, Veracruz Province 11 February 1773 – Cordoba, Veracruz Province July 1833) DESCRIBED NEW TAXA Plantae Valid Genera Aldama 1824 (Asteraceae) Casimiroa 1825 (Rutaceae) Cuitlauzina 1825 with Lexarza (Orchidaceae) Galeana 1824 (Asteraceae) Hidalgoa 1824 (Asteraceae) Oteiza 1832 (Asteraceae) Roldana 1825 (Asteraceae) Zexmenia 1824 (Asteraceae) Species About 100 Animalia Arthropoda Genus Ahuautlea 1832 (Heteroptera) Species Ahuautlea mexicana 1832 (Heteroptera) Llaveia axin (Hemiptera) Myrmecocystis melliger (Hymenoptera) Aves Genus Pharomachrus 1832 Species Amazilia tzacatl Pharomachrus mocinno 1832 HONORS Llavea Lagasca 1816 (Pteridophyta) Llaveia Signoret 1876 (Hemiptera) Llaveiella Morrison 1927 (Hemiptera)
Othon Henry Leonardos
Othon Henry Leonardos, Brazilian geologist (Niterói, Rio de Janeiro State 08 June 1899 – Rio de Janeiro 1977) From English and Greek descent With Avelino I. de Oliveira authored Geologia do Brasil (1940), a work with international value SOME BIBLIOGRAPHY Estudo mineralógico do ferro aplicado ao Brasil (1925) Chumbo e prata no Brasil (1934) Tantalo, nióbio, urânio e rádio no Brasil (1936) With V. Leinz. Notas sobre as esmeraldas da Fazenda das Lages, Itaberahy, Goyaz (1936) Diamante e carbonado no Estado da Bahia (1937) Monazita no Estado da Bahia (1937) Ferro no Paraná (1938) Concheiros naturais e sambaquis (1938) Grafita no Estado de Minas Gerais (1938) Depósito de minério de ferro do pico de Itabirito (1938) Notas petrográficas sobre a série Ribeira do Sul do Estado de São Paulo (1941) Carbonatos com apatita e pirocloro (1956) Cobre no Brasil e no estrangeiro (1956) Ocorrências de rutilo no Estado de Goyaz Ocorrências de asbesto no Brasil Cobre no Rio Grande do Sul HONORS (Fossil) Leonardosia Sommer 1954 (Algae) Othonella Mendes 1963 (Bivalvia)
Oswaldo Ubríaco Lopes
Oswaldo Ubríaco Lopes, Brazilian physiologist (São Paulo 29 May 1937 – São Paulo 10 October 2025) DESCRIBED MECHANISMS With J.F. Palmer. Proposed respiratory gating mechanism for cardiac slowing. Nature 264:454-6, 1976 With J.F. Palmer. Mechanism of hypothalamic control of cardiac component of sinus nerve reflex. Quart. J. Exper. Physiol. 63:231-54, 1978 With A.F. Tramposch, C.L. Chernicky & C.M. Ferrario. Alternative mechanism for attenuated pressor responses in Av3v lesioned dogs. Amer. J. Physiol. 431-8, 1989 Characterized the cardiovascular function of caudal ventrolateral medulla With P.G. Guertzenstein. A depressor area on the ventral surface of the medulla. J. Physiol. 301:35-6, 1980 Resumed the researches about the caudal pressor area With P.G. Guertzenstein, R.R. Campos Jr., O.S. Possas & S.L. Cravo. The caudal pressor area: a new region of the ventrolateral medula involved in cardiovascular regulation. Lung Biol. Health Dis. 82:817-932, 1995 OTHERS With J. Felippe Jr & M.R. Silva Jr. An inexpensive pulmonary catheter for pressure measurements and blood sampling. Crit. Care Med. 12:44-5, 1984 With J.E.C. Lacerda, G.C. Araújo, A.A. Santos & O.U. Lopes. Padronização de um método para canulação crônica da área rostroventrolateral em ratos. Anais FeSBE 10:118, 1995