Results 51 to 60 of about 315,914 (362)

An indolent pancreatic ductal adenocarcinoma with psammoma bodies and a coincidental neuroendocrine tumor

open access: yesHuman Pathology: Case Reports, 2019
Pancreatic ductal adenocarcinoma is a very aggressive neoplasm with a low survival rate, comprising the majority of pancreatic malignancies. Psammoma bodies have rarely been reported in pancreatic ductal adenocarcinoma, and their clinicopathologic ...
Hongxing Gui   +3 more
doaj   +1 more source

Clinical complications of liver disease in adults after the Fontan operation

open access: yesInternational Journal of Cardiology Congenital Heart Disease, 2022
Background: The natural history and complications of Fontan-associated liver disease (FALD) are not well-characterized. We aim to describe the incidence and prevalence of and risk factors for adverse liver-related complications in FALD.
Bhavesh Patel   +7 more
doaj   +1 more source

Descriptions of Three New Species of Nearctic Ctenopelmatinae (Hymenoptera: Ichneumonidae) [PDF]

open access: yes, 2017
Three new species of Ctenopelmatinae are described from series obtained from rearings of yellowheaded spruce sawfly larvae, Pikonema alaskensis (Rohwer)
Luhman, John C
core   +2 more sources

Diapause and overwintering of two spruce bark beetle species

open access: yesPhysiological entomology (Print), 2017
Diapause, a strategy to endure unfavourable conditions (e.g. cold winters) is commonly found in ectothermic organisms and is characterized by an arrest of development and reproduction, a reduction of metabolic rate, and an increased resistance to ...
Martin Schebeck   +5 more
semanticscholar   +1 more source

Enabling the study of gene function in gymnosperms: Virus‐induced gene silencing in Ephedra tweedieana

open access: yesApplications in Plant Sciences, EarlyView.
Abstract Premise As the sister clade to angiosperms, extant gymnosperms are crucial for reconstructing ancestral gene regulatory networks in seed plants. This highlights the need for model systems representing each of their distinct lineages. However, tools to quickly and effectively investigate gene function in gymnosperms are still limited due to the
Anthony G. K. Garcia   +4 more
wiley   +1 more source

A rare case of malignant peritoneal mesothelioma with EWSR-ATF1 fusion transcription and unusual immunophenotype

open access: yesHuman Pathology: Case Reports, 2021
Malignant peritoneal mesothelioma (MPM) is a rare, aggressive, and fatal neoplasm of the abdominal mesothelium with a very abysmal survival if left untreated. MPM with EWSR1-ATF1 fusion is an uncommon entity recently recognized by molecular studies.
Olawunmi Ajelero   +3 more
doaj   +1 more source

The Spruces

open access: yesBulletin of popular information - Arnold Arboretum, Harvard University., 1929
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

A sustainable business ecosystem: a case study demonstrating biochar's potential

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract The need for renewable, climate‐friendly resources has become urgent as legislators worldwide have sought to find ways to cut emissions while ensuring resource security for consumers. The use of biochar could help to achieve these goals. This study examines the current state of commercial biochar production and the maturity of the related ...
Kivijakola Juuso   +4 more
wiley   +1 more source

Temporal variations in English Populations of a forest insect pest, the green spruce aphid (Elatobium abietinum), associated with the North Atlantic Oscillation and global warming [PDF]

open access: yes, 2007
Based on an exceptionally long modern ecological dataset (41 years), it has been possible to show that warm weather in England associated with a positive North Atlantic Oscillation (NAO) index causes the spring migration of the green spruce aphid ...
Angus R. Westgarth-Smith   +27 more
core   +1 more source

Chermes of Maine Spruces [PDF]

open access: yesPsyche: A Journal of Entomology, 1909
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

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