Copidaster cavernicola n. sp. is described from an anchialine cave system in Cozumel, Mexico. Copidaster cavernicola differs from its congeners in having 1-8 papulae in each papular area, and numerous excavate pedicellariae on all surfaces, except between furrow spines and…

Since the first description of the disease now known as Wolff-Parkinson-White syndrome, much knowledge has been gained through several experimental and clinical studies all over the world. The Instituto Nacional de Cardiología Ignacio Chávez in Mexco City has not been…

OBJECTIVE. To estimate the annual cost of treating patients with cirrhosis at the Mexican Institute of Social Security (IMSS per its abbreviation in Spanish). MATERIAL AND METHODS. The annual cost of treating three stages of cirrhosis (Child-Pugh A, Child-Pugh B…

We assessed nectar production patterns, the breeding system, and overall pollinator dependence of Psittacanthus schiedeanus (Schlecht. & Cham.) G.Don (Loranthaceae), a mistletoe species that blooms in the late summer of the eastern cloud forests of Mexico and whose flowers are…

Lee's classification (Lee, K.C., 1996, Proceedings, Twenty-First Workshop SGP-TR-151 on Geothermal Reservoir Engineering: Stanford, California, Stanford University, 85-92; Lee, K.C., 2001, Geothermics, 30(4), 431-442), based on the specific exergetic index (SExI) has been sparsely used in geological sciences as a…

Several Mexican state governments have created institutions and developed public policies to benefit their emigrants abroad following the federal government's lead. The main objective of this article is two-fold: first, to analyze the three sociopolitical factors that influenced the emergence…

Aspiculuris huascaensis n. sp. was found in the intestine of Mus musculus collected from 2 localities in Hidalgo, Mexico, and is described herein. The new species possesses cervical alae abruptly interrupted at mid-length of esophageal bulb form an acute angle,…

Results of a faunistic study of the Encyrtidae family (parasitoid wasps) of the tropical dry forest of San Javier, Sonora, Mexico are presented. The study was carried out from November 2003 to October 2004. Collections using Malaise trapping were made…

A survey of intestinal helminth parasites of the gray snapper, Lutjanus griseus, collected at the estuarine coastal lagoon of Celestún and off the coast of the localities of Chelem and Progreso (Yucatán, Mexico) is presented together with a checklist of…

El propósito del trabajo ha sido caracterizar el área de Ingeniería Química en México. Para ello, se ha revisado a nivel institucional, a través de la base de datos Web of Science (WoS), los trabajos sobre Ingeniería Química realizados por…