American Society of Hirudotherapy

Motor neural networks in the leech

Mini review published in Trends Neurosci (2023)

Last Updated: June 18, 2026Reviewed by: ASH Editorial Board
Research article — evidence reviewArticle reference
Evidence: Research reportGenomics & ProteomicsSzczupak L · Trends in neurosciences, 2023

Abstract

Leeches display robust motor patterns and exhibit a relatively simple nervous system where neurons are unambiguously identified. This brief article focuses on Hirudo verbana and summarizes how research in this organism has contributed to insights in the field of motor control, where networks have been studied from population down to individual neuron perspectives.

Abstract sourced from PubMed (NCBI) for the cited record. See the original publication for the authoritative version.

Publication typeJournal ArticleResearch Support, Non-U.S. Gov't
Indexed MeSH termsHumansAnimalsLeechesNeuronsNervous SystemNeural Networks, Computer

Summary

Mini review summarizing how H. verbana's robust motor patterns and identified neurons contribute insights into motor control across populations and individual neuron analyses.

Why This Matters for Hirudotherapy

This brief review article summarizes how research on Hirudo verbana has contributed to understanding of motor control, describing network-level and individual-neuron perspectives on the leech's robust motor patterns within its relatively simple, well-characterized nervous system. For ASH's domain, this article is relevant only insofar as it concerns the medicinal leech as a neurobiological model organism. However, the content addresses fundamental motor neuroscience and neural network architecture; it does not discuss leech therapy, salivary bioactive compounds, secretome, or any clinical application. Therefore, its relevance to hirudotherapy practice or the leech secretome is negligible, and its inclusion would be justified only as background on the leech as a research organism.

Citation

Motor neural networks in the leech.

Szczupak L · Trends in neurosciences, 2023

Added to ASH library: May 27, 2026 · Site last updated: June 18, 2026

This website provides educational information and does not constitute medical advice, diagnosis, or treatment recommendations. Medicinal leech therapy carries clinically meaningful risks and should be performed only by qualified clinicians under institutionally approved protocols. FDA 510(k) clearance for medicinal leeches is limited to specific indications; investigational and off-label discussions are labeled accordingly. For patient-specific guidance, consult a qualified healthcare provider.