The glomus body as a receptor of cutaneous pressure and vibration.

Gilmer, B. von Haller

doi:10.1037/h0062675

Cited by 4 publications

(5 citation statements)

References 21 publications

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“…Further studies are needed to clarify how extravascular fluid is formed and enters the hypoechogenic areas as well as whether these spaces are somehow related to the recently discovered “Unrecognised Interstitium” in human tissues 12 . The distinctive glomus bodies might be also involved in those processes, beside their known mechanoreceptor and thermoregulatory functions 13 . On the other hand, the conservation of pilar like structures area whilst hypoechogenic areas constrict after WISW suggests the extravascular fluid is “drained off” the digital pulp rather than “buffered” into the neighbouring connective tissue compartments.…”

Section: Discussionmentioning

confidence: 99%

Fluid Containing Structures in the tips of the fingers and toes delineated by Ultrasound Imaging before and after Induced Skin Wrinkling

Gechev

2019

Sci Rep

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This Ultrasound study identified spaces within the pulp of distal phalanx of the fingers and toes that halve in area after Water Induced Skin Wrinkling. These spaces appeared as fluid filled sacculi between connective tissue compartments accountable for distending digital pulp under normal circumstances and skin wrinkling after water immersion. Whilst studying conditions related to sympathetic nerve function with WISW ultrasound imaging is a valuable adjunct to the visual assessment.

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Section: Discussionmentioning

confidence: 99%

Fluid Containing Structures in the tips of the fingers and toes delineated by Ultrasound Imaging before and after Induced Skin Wrinkling

Gechev

2019

Sci Rep

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“…We do not always find Meissner corpuscles under pressure spots, Krause end-bulbs under cold spots, and so on. We can swear in fact that they very often are not there (13,22). What scientists always do find when they make biopsies is a network of nerve fibers and blood vessels (13).…”

mentioning

confidence: 99%

“…We can swear in fact that they very often are not there (13,22). What scientists always do find when they make biopsies is a network of nerve fibers and blood vessels (13). This is not strange, of course, because our skin needs blood and so do the nerve fibers.…”

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confidence: 99%

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Some structural factors in perception.

Morgan¹

1951

Perception: An Approach to Personality.

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The central purpose of this symposium is to look at personality from the point of view of perception. Most of the symposium deals with the way in which experience modifies perception, for the experiential determinants of perception are of greatest interest and importance to us in dealing with personality. Perception, however, has its substrate in structure. We can only see and feel what our sense organs and nervous system let us sense. It is natural, therefore, that this chapter-the first on determinants of perception-should deal with anatomical and structural factors in perception. Much of the chapter will say very little about perception and personality, for that is the task of later chapters. It will, however, provide a background of the facts and present conception of how physiological structures function in perception.In setting out on this task there is obviously no point in repeating the many details of anatomy, physiology, and psychology that can be found in the various textbooks. In fact, acquaintance with the basic physics of stimuli, the anatomy of our sense organs, and the neurology of sensory systems must be assumed. Having these fundamentals in mind, however, it is possible to work toward two goals in this chapter.One is to bring the discussion up to date on the results of recent research. Many of these results really upset our old ideas and make us take new views of the anatomy of perception.The second goal will be to look at perceptual mechanisms as a whole. When we study some one part of a sensory system, say the retina, we often "cannot see the woods for the trees." If we stand off a bit, however, and look at all the senses together, we begin to be able to make some general rules and principles about the mechanisms of perception.That will be attempted in this chapter-at the risk sometimes of suggesting ideas that not everyone will agree with.

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“…In the direct approach to this problem, portions of the skin are carefully mapped, and the points of maximum sensitivity marked. Then the pieces of flesh are removed surgically, sliced into thin sections, stained, and examined under a microscope [19]. Results that accrue from this technique have been rather consistently negative; i.e., no receptors are seen under the microscope which correspond consistently to warm spots, cold spots, etc.…”

Section: Microscopic Examinationmentioning

confidence: 99%

Studying the skin senses.

Jenkins¹

Methods of Psychology.

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Biologically the skin senses are more important to the human being than is either sight or hearing. The blind man and the deaf man are merely handicapped, but a man totally without skin sensitivity would have a poor chance to survive at all. Pain guards the body from external injury. The temperature senses act as external thermostats in the vital task of regulating the temperature of the blood. Even touch, although less essential, provides a critical aid in darkness. Yet, compared with sight or hearing, the skin senses have attracted relatively little attention, and they remain a rich field for further investigation. There are three persistent problems of major interest, and most research techniques have been directed toward their solution. These problems concern the number of skin senses, the nature of the receptors and receptor processes, and the measurement of the actual manner of their stimulation.In connection with the number of skin senses, touch, pain, warm, and cold are commonly assumed to be the four basic ones, but this view has not been universally accepted. Many years ago Head [41] proposed two separate cutaneous systems, the epicritic and the protopathic, each having a separate set of four senses. Katz [30] suggested a separate vibration sense, independent of touch. At the other extreme, Nafe [35] would like to reduce warmth, cold, and some kinds of pain to sensations from dilating and constricting blood vessels, thus eliminating these as separate skin senses. The problem is further complicated by the presence of deep pain and deep pressure sensitivities, which are difficult to distinguish from the strictly cutaneous reactions.In regard to the nature of the receptors and the way in which they work, mapping the skin with small stimulators shows that there are points of high sensitivity-the warm, cold, pain, and touch spots-with

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The glomus body as a receptor of cutaneous pressure and vibration.

Cited by 4 publications

References 21 publications

Fluid Containing Structures in the tips of the fingers and toes delineated by Ultrasound Imaging before and after Induced Skin Wrinkling

Fluid Containing Structures in the tips of the fingers and toes delineated by Ultrasound Imaging before and after Induced Skin Wrinkling

Some structural factors in perception.

Studying the skin senses.

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