Results 31 to 40 of about 177,326 (231)
El desarrollo del ultrasonido (US) y tomografía computada (TC) ha aumentado la solicitud de exámenes para confirmar o descartar el diagnóstico de abdomen agudo de origen apendicular.
Paula Csendes G+4 more
doaj +1 more source
Primary Adenocarcinoma of the Vermiform Appendix. A Case Report
Primary adenocarcinoma of the vermiform appendix is the least common carcinoma of this organ; its exact frequency is unknown. Primary malignant tumors of the appendix are rare; they are generally found in 1 to 2% of all appendices examined.
Luis Antonio Revuelta Pérez+2 more
doaj +2 more sources
Araracuara, un nuevo género de Rhamnaceae de la Amazonía colombiana [PDF]
Se describe e ilustra Araracuara Fern. Alonso, un nuevo género de la familia Rhamnaceae conocido tan sólo de las mesetas de arenisca de la Amazonía colombiana.
Emmerlich, J.+3 more
core +1 more source
Descolonizando la historia oral: una conversación
History, Volume 106, Issue 370, Page E1-E17, March 2021.
wiley +1 more source
Dendritic spines receive the majority of excitatory connections in the central nervous system, and, thus, they are key structures in the regulation of neural activity. Hence, the cellular and molecular mechanisms underlying their generation and plasticity, both during development and in adulthood, are a matter of fundamental and practical interest ...
Pablo García-López+3 more
wiley +1 more source
Downlisting and recovery of species assessed by the IUCN
Abstract Despite the increasing number of species assessed for extinction risk by the International Union for Conservation of Nature (IUCN) (163,040 species as of 2024), only about 1 in 1,000 have been downlisted due to genuine population improvement. Although this rare conservation achievement has been widely celebrated in several recent cases, some ...
Mu‐Ming Lin+7 more
wiley +1 more source
A practical approach to meeting national obligations for sustainable trade under CITES
Abstract Reconciling conservation goals with sustainable resource use requires adaptive management strategies. The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) regulates global trade for species listed on Appendix II, partly by requiring member countries (parties) to ensure exports do not damage wild ...
Tanvi Vaidyanathan+3 more
wiley +1 more source
Tumor carcinoide del apéndice cecal. Presentación de un caso
Los tumores del apéndice cecal constituyen un grupo heterogéneo de neoplasias con evolución y pronóstico variables; representan una pequeña parte de todas las neoplasias gastrointestinales y de las apendicetomías. Se presenta el caso de un hombre blanco,
Hanuarys Sosa Estébanez+2 more
doaj +2 more sources
Scale of unregulated international trade in Australian reptiles and amphibians
Abstract Reptiles and amphibians are popular in the exotic pet trade, where Australian species are valued for their rarity and uniqueness. Despite a near‐complete ban on the export of Australian wildlife, smuggling and subsequent international trade frequently occur in an unregulated and unmonitored manner.
Sebastian Chekunov+4 more
wiley +1 more source
Introducción: El mucocele es una dilatación apendicular por secreción mucosa secundaria a la obstrucción de la luz, su incidencia estimada es de 0,2-0,3 % de todas las apendicectomías realizadas y el 8-10 % de todos los tumores apendiculares.
Wilfredo Ernesto Santiesteban Pupo+2 more
doaj +2 more sources