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Inner Ear of Liza abu (Heckel) 1. Morphological Description | ||
| JURNAL OF MADENAT ALELEM COLLEGE | ||
| Article 1, Volume 5, Issue 1, 2013, Pages 34-44 | ||
| Authors | ||
| Hussain A.M. Dauod; Iman S.A. AL-Jumaily | ||
| Abstract | ||
| The morphological description of inner ear in Liza abu was investigated. The present study revealed that Liza abu has a pair of embedded inner ears, each one situated in otic capsule of the skull, on both sides of hindbrain. The inner ear contains two structures, the first one called Osseous Labyrinth (OL), while the second called Membranous Labyrinth (ML). The last one found inside (OL). Both OL and ML consist of three Semicircular canals (SCC). These were two vertical Anterior and Posterior Semicircular canals (ASCC) (PSCC) and one Horizontal semicircular canal (HSCC). There are three chambers in the (OL) and three Saccular structures called otoliths organs found in (ML), the first one called Utriculus (U), the second called Sacculus (S) and the third called Lagena (L). There are solid structure found in the otolith organs results from calcifying secretions called otoliths, it has different names which is found in (U) named Lapillus, in (S) named Sagitta, and in (L) named Astericus. | ||
| Keywords | ||
| Inner ear; Fishes; Otoliths | ||
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