نتایج جستجو برای: geoffrey leech
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(2021). ‘Unfinished to perfection’: Geoffrey Hill, revision, and the poetics of stone. Textual Practice. Ahead Print.
Based on physiological investigations, Nicholls and Baylor (1968) identified and described three types of mechanosensory neurons in segmental ganglia of medicinal leech: T-cells receiving touch information, P-cells sensitive to changes in pressure applied on the skin, and N-cells affected by nociceptive stimuli. The electrical excitability and the passive electrical parameters of the somatic me...
The emergence of leeches in modern medicine proves that they can be a useful treatment for many conditions. Bloodletting was practiced for millennia, with leeches being used for this purpose since the Stone Age. Leeches were misused until the discovery of germs. Leeches are now used in microsurgery to aid circulation. They have also been used in pain management for osteoarthritis. The chemicals...
Neuropharmacological and neurophysiological studies have been undertaken on both the longitudinal muscle and on the segmental ganglionic neurones of the leech, Hirudo medicinalis. The longitudinal muscle of the leech was developed by Minz (1932) from the initial observations of Fuehner (1918) as an assay procedure for acetylcholine. More recently this same preparation has been used as an assay ...
BACKGROUND Human leech infestation is a disease of the poor who live in rural areas and use water contaminated with leeches. Like any other body orifices, vagina can also be infested by leech when females use contaminated water for bathing and/or douching. Although this condition is very rare in postmenopausal women, it causes morbidities and mortalities. CASE DETAILS A 70 year old Para X (al...
Considering blood-sucking habits of leeches from surviving strategy of view, it can be hypothesized that leech saliva has analgesia or anesthesia functions for leeches to stay undetected by the host. However, no specific substance with analgesic function has been reported from leech saliva although clinical applications strongly indicated that leech therapy produces a strong and long lasting pa...
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