Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Ueber Nervenendigungen an den Parapodienborsten und über die Muskelzellen der Gefässwände bei den Polychäten annulaten / von Gustaf Retzius. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.