Krause end bulbs (bulboid corpuscles) are small encapsulated nerve endings found in the lips, tongue, conjunctiva and genital skin. They respond to light touch and low-frequency vibration.
| Location | Mucocutaneous zones: lips, tongue, conjunctiva, glans of the penis and clitoris |
|---|---|
| Parts |
|
| Nerve Supply | Local cutaneous sensory nerves (A-beta fibres) |
| Blood Supply | Local dermal capillaries |
Detect light touch and gentle vibration in specialised skin and mucosa.
They contribute to the fine sensitivity of the lips and genital skin. Older textbooks assigned them to cold detection, but current evidence links them mainly to touch.
Reduced touch sensation from nerve damage, for example in diabetes.
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