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Bulboid corpuscles

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Bulboid corpuscle
End-bulb of Krause.
Latin c. bulboideum
Gray's subject #233 1060
System
MeSH [1]
[[Image:|190px|center|]]

The bulboid corpuscles (end-bulbs of Krause) are cutaneous receptors in the human body.

The end-bulbs of Krause were named after German anatomist Wilhelm Krause (1833-1910).[1][2]

FunctionEdit

They were once thought to mediate temperature but are now known to have the ability to detect low-frequency vibration.

StructureEdit

They are minute cylindrical or oval bodies, consisting of a capsule formed by the expansion of the connective-tissue sheath of a medullated fiber, and containing a soft semifluid core in which the axis-cylinder terminates either in a bulbous extremity or in a coiled-up plexiform mass.

LocationEdit

They are found typically in mucocutaneous zones, those tissues that are transitional between dry glabrous skin and mucus membranes,

For eample they are found in the:

  • conjunctiva of the eye (where they are spheroidal in shape in humans, but cylindrical in most other animals),
  • mucous membrane of the lips and tongue,
  • epineurium of nerve trunks.
  • penis and the clitoris and have received the name of genital corpuscles; in these situations they have a mulberry-like appearance, being constricted by connective-tissue septa into from two to six knob-like masses.
  • synovial membranes of certain joints, e. g., those of the fingers, rounded or oval end-bulbs occur, and are designated articular end-bulbs.

ReferencesEdit

  1. Who Named It synd/2425
  2. W. Krause. Die terminalen Körperchen der einfach sensiblen Nerven. Hannover, 1860.

External linksEdit

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

This page uses Creative Commons Licensed content from Wikipedia (view authors).

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