Answers are grounded in this paper and cite their sources.
A true human tail is a rare occurrence and is defined as a caudal, vestigial, midline protrusion with skin covering connective tissue, muscle, vessels and nerves. We report a case of true human tail in a child, which is a very rare happening in humans.
No takes yet. Share an insight, caveat, or question.
Chauhan et al. (2009) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: