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Related Experiment Videos

Neuroectodermal appendages: the human tail explained.

S J Gaskill1, A E Marlin

  • 1Duke University Medical Center, Durham, N.C.

Pediatric Neuroscience
|January 1, 1989
PubMed
Summary
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Human tails, or neuroectodermal appendages, are rare findings. This study proposes they develop from superficial dermal sinus tracts, often involving spinal canal extension and vertebral defects.

Area of Science:

  • Developmental Biology
  • Neuroscience
  • Medical Case Studies

Background:

  • Human tails have been sporadically documented since the early 20th century, often treated as medical curiosities.
  • Previous literature primarily consists of isolated case reports lacking a cohesive etiological explanation.

Observation:

  • This study details a series of six cases of neuroectodermal appendages, commonly referred to as human tails.
  • These appendages exhibit posterior midline localization, a tail-like morphology, and spinal canal involvement with neural element attachment.
  • Associated findings include vertebral anomalies and, occasionally, secondary appendages.

Findings:

  • The study proposes a novel theory for the development of these appendages.
  • This theory posits that neuroectodermal appendages arise from the superficial extension of a dermal sinus tract.

Related Experiment Videos

  • This developmental pathway explains the observed anatomical characteristics and associated vertebral defects.

    • Implications:

    • Understanding the etiology of human tails aids in accurate diagnosis and management.
    • This research provides a framework for evaluating and treating these rare congenital anomalies.
    • Further research into dermal sinus tracts may illuminate other developmental abnormalities.