X-Nico

unusual facts about Eimer's organ


Eimer's organ

First isolated by Theodor Eimer from the European mole in 1871, these organs are present in many moles, and are particularly common in the star-nosed mole, which bears 25,000 of them on its unique tentacled snout.


Carl Semper

An anatomical structure in the head of some gastropod was discovered by Carl Semper in 1856 and is named after him.

Christopher Johnston

He was born on December 8, 1856 in Baltimore, the son of the physician Christopher Johnston (1822-1891), a professor of surgery at the University of Maryland and the discoverer of Johnston's organ, and Sarah Lucretia Clay (1835-1879).


see also