Results 151 to 160 of about 6,486 (226)

Black Widow Spider Envenomation

Topics in Companion Animal Medicine, 2006
Black widow spiders are found throughout the continental United States and north into the southern Canadian provinces. Male black widow spiders are of little medical importance. Female black widow spiders can be 20 times larger than males. The female can be identified by the hourglass pattern, red or orange in color, on the ventral aspect of her shiny,
Michael E Peterson
exaly   +3 more sources

Black widow spider bite in a child

American Journal of Emergency Medicine, 1996
An 8-year-old boy who was bitten by a black widow spider was seen in the emergency department twice, as well as by his private family physician, within a 24-hour period of time before being admitted to the hospital. This patient should have been observed for a longer period of time in the emergency department or admitted to the hospital on the day of ...
J A, Reeves, E J, Allison, P E, Goodman
exaly   +3 more sources

Silently Suffering: A Pediatric Black Widow Spider Envenomation

Journal of Emergency Medicine, 2021
Eric R Friedman, S. Seidel, Samantha E Heiser, Katherine M. Prybys   +3 more
exaly   +2 more sources

Neutralization of black widow spider (Latrodectus mactans) venom with rabbit polyclonal serum hyperimmunized with recombinant alpha-latrotoxin fragments.

Biochimie, 2022
Alpha-latrotoxin (ɑLTx) is the component responsible for causing the pathophysiology in patients bitten by spiders from the genus Latrodectus, commonly known as black widow spiders.
A. Olvera Rodríguez, Mitzi G. Amaro Ruiz, Melisa Bénard-Valle, E. Neri-Castro, Felipe Olvera Rodríguez, A. Alagón   +5 more
semanticscholar   +1 more source

First Record of Black Widow Spider Bite Latrodectus cinctus (Araneae: Theridiidae) From Iran

Journal of medical entomology, 2022
The genus Latrodectus contains the most medically important spiders around the world. This study describes the first case of Latrodectus cinctus Blackwall, 1865 bite and clinical treatment from Iran.
J. Nejati, R. Bueno-Marí, M. Salehi, M. R. Akbari, M. Shahi   +4 more
semanticscholar   +1 more source

Expression of Brown and Southern Black Widow Spider (Araneae:Theridiidae) Latrotoxins Is Tissue- and Life Stage-Specific for α-Latroinsectotoxins and δ-Latroinsectotoxins and Is Ubiquitous for α-Latrotoxins

Journal of medical entomology, 2021
Widow spiders are widely known for their potent venom toxins that make them among the few spiders of medical concern. The latrotoxins are the most well-studied widow toxins and include both the vertebrate-specific latrotoxins and the insect-specific ...
Sebastian L. Torres, A. Landeros, Eleanor J Penhallegon, Kaleth Salazar, Lindsay M. Porter   +4 more
semanticscholar   +1 more source

Latrodectus mactans (black widow spider)

CABI Compendium, 2022
This datasheet on Latrodectus mactans covers Identity, Distribution, Natural Enemies.

semanticscholar   +1 more source

Insight into the adaptive role of arachnid genome-wide duplication through chromosome-level genome assembly of the Western black widow spider.

Journal of Heredity
Although spiders are one of the most diverse groups of arthropods, the genetic architecture of their evolutionary adaptations is largely unknown. Specifically, ancient genome-wide duplication occurring during arachnid evolution ~450 mya resulted in a ...
Lindsay S. Miles, Hannah M. Waterman, Nadia A. Ayoub, Jessica E. Garb, R. Haney, Michael S. Rosenberg, Trevor J. Krabbenhoft, B. Verrelli   +7 more
semanticscholar   +1 more source

Black Widow Spider Exposures: A Retrospective Review of the National Poison Data System 2012–2022

Wilderness & environmental medicine (Print)
Introduction The black widow spider, Latrodectus mactans, stands out as one of the most medically significant arachnids due to its extensive geographic distribution in the United States and its ability to produce a potent neurotoxin, α-latrotoxin.
Abigail F. Kerns, Emily T C Scheffel, Rita Farah, Christopher P Holstege   +3 more
semanticscholar   +1 more source

Necrotizing fasciitis as a result of a black widow spider bite.

Bratislava Medical Journal
The poison ivy does not normally occur in Slovakia, like in the Czech Republic, but it can be introduced. The venom of the black widow spider is an effective weapon for capturing prey.
M. Zavacká, J. Pobehová, M. Virág, Lukas Vasko, P. Zavacky   +4 more
semanticscholar   +1 more source