neurology - Mechanism of Decorticate & Decerebrate Posturing?
2015年1月26日 · b. In decerebrate posturing the rubrospinal tract is also cut, since the lesion is below the red nucleus. In this scenario the reticular activating system (aka reticulospinal tract) …
human biology - Time lapse between fresh blood's exposure to air …
For investigative purposes, I'm searching for a tool that can be used as a quick visual assessment of the the length of time that blood has been exposed to air after the blood flow has stopped..
neurology - Why do neurons lose the potential to regenerate and ...
2023年7月2日 · To answer the first part of your question: In order to regenerate, the neurons need to divide. In order to do that they need to round up so that they can form a mitotic spindle that …
Can upper motor neuron lesions cause hypotonia?
2018年12月24日 · I have been taught that hypotonia is always caused by lower motor neuron lesions while hypertonia is by upper motor neuron lesions. However, I recently learned of an …
Why don't we have two hearts? - Biology Stack Exchange
2015年10月13日 · How reversible is decerebrate posturing caused by brain stem damage? 29.
Pathophysiology of babinski sign in spinal cord injury?
Short answer: If the Babinski sign is positive in adults, it indicates an upper motor neuron lesion.. Long answer:
Neuron Growth and Regeneration - Biology Stack Exchange
2014年12月8日 · How reversible is decerebrate posturing caused by brain stem damage? 3 Can the sensory neuron network and the motor neuron network be considered separate networks?
Can motor neurons in the brain stem start movements?
There have been many experiments done to study brainstem control of locomotion (see Shik and Orlovsky, 1976), particularly in decerebrate cats. You can induce a walking motion …
zoology - What is the modern experiment in which a frog was …
2022年3月15日 · $\begingroup$ I don't really read enough German to read Heinzmann, but it seems that most, if not all, of his experiments were done in decerebrate frogs. It's a study of …
How can an animal live without a head / brain?
2016年11月29日 · In general, and this is somehow speculative, the animals that you mention have more autonomy in their extremities and less control from a head, muscles have evolved …