It works in association with other motor areas including premotor cortex, the supplementary motor area, posterior parietal cortex, and several subcortical brain regions, to plan and execute movements.Primary motor cortex is defined anatomically as the region of cortex that contains large neurons known as Betz cells.t works in association with other motor areas including premotor cortex, the supplementary motor area, posterior parietal cortex, and several subcortical brain regions, to plan and execute movements.
The tiger keelback is a beautiful orange, olive, and black creature found in Japan. It defends itself with two glands on its neck, which contain poisons called bufadienolides. These irritate the airways and harm the hearts of any would-be predator. But the snake doesnât make these poisons itself.
The inland taipan is considered the most venomous snake in the world; based on the median lethal dose value in mice, its venom, drop for drop, is by far the most toxic of any snake â much more so than even sea snakes â and it has the most toxic venom of any reptile when tested on human heart cell culture.xyuranus microlepidotus has been the fierce snake's binomial name since the early 1980s. The generic name, Oxyuranus, means oxus (Greek) sharp pointed, oura (Greek) tail; -anus (Latin) belonging to, and refers to the inland taipan's long pointed tail.