The Semper's organ is an
anatomical structure, a
gland
In animals, a gland is a group of cells in an animal's body that synthesizes substances (such as hormones) for release into the bloodstream ( endocrine gland) or into cavities inside the body or its outer surface ( exocrine gland).
Structure
...
located in the
head
A head is the part of an organism which usually includes the ears, brain, forehead, cheeks, chin, eyes, nose, and mouth, each of which aid in various sensory functions such as sight, hearing, smell, and taste. Some very simple animals may no ...
of some
land snails,
pulmonate gastropod mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is es ...
s.
[Lane J. N. (1964) "Semper's Organ, a Cephalic Gland in Certain Gastropods". '']Quarterly Journal of Microscopical Science
The ''Journal of Cell Science'' (formerly the ''Quarterly Journal of Microscopical Science'') is a peer-reviewed scientific journal in the field of cell biology. The journal is published by The Company of Biologists. The journal is partnered with ...
'' 105(3): 331-342.
This organ was named after the German zoologist
Carl Gottfried Semper, who first published information about this anatomical structure in 1856.
[ Semper C. (1856) Z. wiss. Zool., 8, 366.]
References
Gastropod anatomy
{{gastropod-stub