Abstract：
:Some afferent fibers from the pudendal nerve of the female cat were stimulated by pressing on the perineal skin, the vagina or the uterine cervix. Three different types of skin mechanoreceptors were found: (1) with low threshold (< 20 mg) and slow-adapting discharges; (2) with high threshold (0.1-0.5 g) and slow-adapting discharges; and (3) with low threshold and fast-adapting discharges. Most of these receptors increased their firing frequency as the velocity of skin indentation was increased (velocity detectors). The average conduction velocity of the skin afferents was 29 +/- 9 m/s. The receptors located at the vagina showed a fast-adapting response to probing and were sensitive to the velocity of the probe movement. Most of these receptors, however, showed a slow adaptation when the vaginal wall was distended with a balloon. The conduction velocity in vaginal afferents was 37 +/- 16 m/s. Those receptors responding to pressure on the uterine cervix adapted slowly to constant pressure but were sensitive to the velocity of the pressure pulses. The conduction velocity in the afferents from the uterine cervix was 31 +/- 9 m/s.
journal_name
Brain Resjournal_title
Brain researchauthors
Cueva-Rolón R,Muñoz-Martínez EJ,Delgado-Lezama R,Raya JGdoi
10.1016/0006-8993(94)91589-xsubject
Has Abstractpub_date
1994-08-29 00:00:00pages
1-6issue
1-2eissn
0006-8993issn
1872-6240pii
0006-8993(94)91589-Xjournal_volume
655pub_type
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