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Muscle spindle and Pacinian corpuscle: conceptions, misconceptions, and the far-fetched hypothesis of an experienced
M Bisceglia1, S Bisceglia, M L Bisceglia
1Department of Pathology, Division of Anatomic Pathology, IRCCS - "Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, FG, Italy. bismi@libero.it
Pathologica
|August 16, 2011
Summary
A muscle spindle
Area of Science:
- Anatomy
- Histology
- Pathology
Background:
- Muscle spindles and Golgi tendon organs are proprioceptive sensory receptors crucial for muscle tone.
- Pacinian corpuscles are mechanoreceptors detecting pressure, typically located in superficial tissues.
Observation:
- A surgical pathology case presented a muscle spindle with a fibrous capsule resembling a Pacinian corpuscle's lamellar body.
- This incidental finding required careful anatomical identification.
Findings:
- The fibrous capsule of the muscle spindle mimicked the lamellar structure of a Pacinian corpuscle.
- Accurate identification relied on fundamental anatomical knowledge.
Implications:
- Highlights the importance of recognizing subtle anatomical variations in surgical pathology.
- Underscores the need to consider pathological conditions affecting these often-overlooked sensory receptors.
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