General Attributes of Sensory Nerve Endings Mechanical interactions of the whisker shaft with the environment are encoded by these terminals and conveyed as spike impulses to the brainstem trigeminal nuclei via the centrally projecting processes of the trigeminal primary sensory neurons the results of brainstem processing are then conveyed to various brain stations. The trigeminal primary sensory neurons within the ganglia are pseudo-unipolar cells the tips of their peripheral processes terminate within the follicles of the mystacial vibrissae as mechanosensory receptors (Vincent, 1913). Particularly germane to this report is the dense innervation of the follicle by a large variety of nerve fibers provided by sensory neurons of the trigeminal ganglia (Fig. The follicle and sinuses are surrounded by a thick collagenous capsule covered by a layer of skeletal muscle that functions as arrector pili. Each follicle is surrounded by two large blood sinuses, the ring and cavernous sinuses, hence the term “sinus hair” for the mystacial vibrissae (Fig.1, left panel). The vibrissal shafts of rat and cat range from 0.1 to 0.2 mm in diameter each vibrissa is emitted from an elaborately structured follicle termed the Follicle Sinus Complex (FSC) by Rice and Munger (1986). Most mammals possess rows of whiskers (i.e., vibrissae) on both sides of the face arranged in an orderly grid on the mystacial pad. 3.2 Recent Findings Regarding Vibrissal Innervation.3.1.2 Threshold, Adaptation, and Receptive Field.3.1.1 Conduction velocity and Nerve fiber diameter.3 Physiological and Morphological Correlations.2.9 Central Processes of Primary Sensory Neurons.2.3.2 Circumferential Lanceolate Endings.1.2 Relationship between Morphology and Physiology.1.1 General Attributes of Sensory Nerve Endings.Latitude and Mood – A Brief Look at the Literature.What Is The Role of Psychological First Aid in the Pandemic & Can It Be Optimised For Social Media?.Picasso iconis… /i/web/status/1… 7 months ago There are various symbols but an important one is the dove. The crown shaped beacon has been made… 4 months ago RT Platinum2022: The official NHS beacon will be lit by Tameside and Glossop Integrated Care NHS FT. Have a wonderful evening, and see you brigh… 4 months ago RT Platinum2022: All calm at Buckingham Palace this evening ahead of a very big day tomorrow. We are delighted to be markin… 4 months ago RT TheShardLondon: The Shard Jubilee Beacon will be lighting up the sky across London until the 5th of June. I wrote a brief review here… /i/web/status/1… 3 months ago Psychological first aid (PFA) is useful in the pandemic and in other crises. The King and The Queen Consort will remain at Balmoral this evening… 1 month agoįascinating development - the Corsi-Rosenthal cube.Įngineering innovation in a pandemic. RT RoyalFamily: The Queen died peacefully at Balmoral this afternoon. RT TheBJPsych: Have you read 'Digital literacy in contemporary mental healthcare: online assessments and mobile health apps' by Derektrac… 1 week ago The Amazing World of Psychiatry: A Psychiatry Twitter Search for: The Amazing World of Psychiatry: A Psychiatry Blog The author is not responsible for the contents of any external sites that are linked to in this blog. The comments made here are not meant as a source of medical advice and those seeking medical advice are advised to consult with their own doctor. Responses: If you have any comments, you can leave them below or alternatively e-mail Disclaimer: The comments made here represent the opinions of the author and do not represent the profession or any body/organisation. TAWOP Channel: You can follow the TAWOP Channel on YouTube by clicking on this link. Podcast: You can listen to this post on Odiogo by clicking on this link (there may be a small delay between publishing of the blog article and the availability of the podcast). Twitter: You can follow ‘The Amazing World of Psychiatry’ Twitter by clicking on this link. The page contains links to all of the articles in the blog in chronological order.
Index: An index of the site can be found here. This seems like a fairly esoteric subject and it is but it’s related to a model of emotional representation in the Insular Cortex which was initially developed by A.Craig and which has been reviewed elsewhere on this blog (see here, here and here). I’ve uploaded a new video on the TAWOP channel on Ruffini Endings in the eyelids.
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