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Neuropsychological Test Performance in Cognitively Normal Spanish-speaking Nonagenarians with Little Education
To find associations of age, sex, and education with neuropsychological test performance in cognitively normal Spanish-speaking Costa Rican nonagenarians with little education; to provide norms; and to compare their ...
Hallazgos fenotípicos por imágenes con Tomografía Dental Volumétrica (TDV) en amelogénesis imperfecta
Use of Dental Volumetric Tomography for Dental Phenotyping In Amelogenesis Imperfecta
Amelogénesis imperfecta (AI) se describe como un conjunto de defectos mendelianos en la biomineralización del esmalte dental, los cuales son severos en la mayoría de los casos al presentar anormalidades tales como un grosor ...
Arabidopsis CHROMOSOME TRANSMISSION FIDELITY 7 (AtCTF7/ECO1) is required for DNA repair, mitosis and meiosis
(The Plant Journal 75: 927–940, 2013-06-10)
The proper transmission of DNA in dividing cells is crucial for the survival of eukaryotic organisms. During cell division, faithful segregation of replicated chromosomes requires their tight attachment, known as sister ...
Acoustic courtship songs in males of the fruit fly Anastrepha ludens (Diptera: Tephritidae) associated with geography, mass rearing and courtship success
(Rev. Biol. Trop. 57 (Suppl. 1): 257-265. Epub 2009 November 30., 2009-11-30)
The Sterile Insect Technique (SIT) has been used successfully to control or eradicate fruit flies. The commonly observed inferiority of mass-reared males, compared with wild males, when they are paired with wild females, ...
Inventario de las macroalgas dulceacuícolas y marinas de Costa Rica
Contiene un listado sobre los diferentes grupos de algas, sobre todo las macro algas de agua dulce y marinas para aumentar la lista de especies de algas de Costa Rica.
Copulatory dialogue: female spiders sing during copulation to influence male genitalic movements
(Animal Behaviour, 2006, 72, 413-421, 2006)
Female behaviour during copulation that could function as communication with the male is probably more common than previously appreciated, but its functional significance remains little studied. Stridulation during copulation ...
Male courtship behavior in Ceratitis Capitata (Diptera: Tephritidae) that have received aromatherapy with ginger root oil
(Florida Entomologist 90(1), 175-179, March 2007, 2007-03)
The results of previous studies that showed that exposing mass-reared male Mediterranean fruit flies Ceratitis capitata (Wiedemann) to ginger root oil (“aromatherapy”) increases the likelihood of mating with wild females ...
Abundancia, biomasa y floración de Thalassia testudinum (Hydrocharitaceae) en el Parque Nacional Cahuita, Caribe de Costa Rica
Tesis de Licenciatura en Biología con Énfasis en Botánica
Tesis publicada en: Rev. Biol. Trop. (Int. J. Trop. Biol. ISSN-0034-7744) Vol. 56 (Suppl. 4): 175-189, December 2008. Entre agosto 2003 y agosto 2006 se estudiaron tres sitios representativos del Parque Nacional Cahuita ...
Pollen development: a play with many actors
(Current Topics in Plant Biology 11: 89-102. 2010, 2010-09-01)
Seeds are a major resource of food supply around the world and their production depends on successful double fertilization during plant sexual reproduction. In higher plants, fertilization of female gametophytes involves ...
Nephila clavipes spiders (Araneae: Nephilidae) keep track of captured prey counts: testing for a sense of numerosity in an orb-weaver
(Animal Cognition DOI 10.1007/s10071-014-0801-9, 2014-08-28)
Nephila clavipes golden orb-web spiders accumulate prey larders on their webs and search for them if they are removed from their web. Spiders that lose larger larders (i.e., spiders that lose larders consisting of more ...