Krause End Bulbs is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Krause end bulbs are encapsulated thermoreceptors found in the skin, mucous membranes, and connective tissue. They are sensitive to cold temperatures (typically 10-20°C) and are named after Wilhelm Krause who first described them in 1860.
- Capsule: Connective tissue envelope surrounding the nerve ending
- Core: Central nerve terminal with mitochondria and vesicles
- Axon: Small myelinated Aδ fiber
- Location: Skin, lips, tongue, conjunctiva, genitalia, joint capsules
- Cold detection: Primarily responsive to cold temperatures (10-35°C)
- Temperature sensation: Contribute to fine temperature discrimination
- Rapid adaptation: Quick response to temperature changes
- Thermal homeostasis: Help regulate body temperature awareness
- Cold detection deficits indicate small fiber involvement
- Temperature threshold testing reveals early neuropathy
- Correlates with diabetic autonomic neuropathy
- Selective loss of temperature sensation
- Presents with burning pain and temperature dysregulation
- Temperature testing: Part of sensory examination
- Quantitative sensory testing: Measures thermal thresholds
- Neurological diagnosis: Helps distinguish neuropathy types
- Cold threshold testing: Evaluates cold receptor function
The study of Krause End Bulbs has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
- Hensel H. Thermoreceptors. Annu Rev Physiol. 1979.
- Johnson KO, Yoshioka T, Vega-Bermudez F. Tactile functions of mechanoreceptive afferents. Exp Brain Res. 2000.
- Darian-Smith I. Thermal sensation. In: Handbook of Sensory Physiology. 1984.