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On average, however, a worker stores very little venom (only about 0.5 μg at any given time). [12] Newborn workers contain little to no venom within their reservoirs, but workers that are only one day old can produce 1.17 μg/day. However, workers that are 17 days old only produce 0.3 μg/day.
Brown (1973) mentions a venom yield of up to 214 mg (dried) and LD 50 (toxicity) values of 0.04 mg/kg IV, 4.0 mg/kg IP and 9.2–10.0 mg/kg SC. [14] The venom contains at least four hemorrhagins Acutolysin A, B, C [15] and D. [16] According to the US Armed Forces Pest Management Board, the venom is a potent hemotoxin that is strongly ...
The taxonomy of the Cyanea species is not fully agreed upon; some zoologists have suggested that all species within the genus should be treated as one. Two distinct taxa, however, occur together in at least the eastern North Atlantic, with the blue jellyfish (Cyanea lamarckii Péron & Lesueur, 1810) differing in color (blue, not red) and smaller size (10–20 cm [3 + 7 ⁄ 8 – 7 + 7 ⁄ 8 ...
Humans are born with 28% [12] of the adult brain weight, chimpanzees with 54%, [12] bottlenose dolphins with 42.5%, [13] and elephants with 35%. [ 14 ] Spindle cells (neurons without extensive branching) have been discovered in the brains of the humpback whale , fin whale , sperm whale , orca, [ 15 ] [ 16 ] bottlenose dolphins , Risso's ...