The Anatomy and Histoarchitecture of the Olfactory Organ in the Korean Flat-Headed Goby Luciogobius guttatus (Pisces; Gobiidae)

Kim, Hyun-Tae;Park, Jong-Young

  • Received : 2016.03.07
  • Accepted : 2016.03.21
  • Published : 2016.03.30


The histology and anatomy of the olfactory organ in Luciogobius guttatus was investigated using a light microscopy and scanning electron microscopy. The paired olfactory organs in the dorsal part of the snout are situated in between the upper lip and the eyes. They consist of two nostrils, one anterior and the other posterior openings, and a single olfactory cavity. The anterior nostril, an incurrent opening, forms a short tubular structure from the skin. The posterior nostril, an excurrent opening, forms a circular structure opened to the exterior. The distributional pattern of the sensory epithelium is a continuous type. The sensory epithelium with numerous-motile cilia is made up of receptor cells, supporting cells, basal cells, and mucous cells. In contrast, the non-sensory epithelium is comprised of stratified epithelial cells and two types of mucous cells, acidic and neutral cells. The cilia number of the receptor cell is in range of 3 to 4 units. Such results in L. guttatus may reflect its ecological habit and microhabitat in the tidal zone with a periodic tide.


Tubular structure;Single cavity;Cilia;Receptor cell;Mucous cell


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