Sains Malaysiana 46(8)(2017): 1163–1169

http://dx.doi.org/10.17576/jsm-2017-4608-01

Histological Organization of Thyroid and Interrenal Glands of the Pearl Mullet, Alburnus tarichi (Cypriniformes: Cyprinidae) from Lake Van Basin of Turkey

(Pengaturan Histologi Kelenjar Tiroid dan antara Renal Ikan Belanak Mutiara, Alburnus tarichi (Cypriniformes: Cyprinidae) dari lembangan Tasik Van, Turki)

BURAK KAPTANER*

Department of Biology, Faculty of Science, Van Yüzüncü Yil University, 65080 Tusba, Van, Turkey

Diserahkan: 6 Jun 2016/Diterima: 6 Januari 2017

ABSTRACT

In this study, histological organizations of the thyroid and interrenal glands were first investigated in pearl mullet (Alburnus tarichi Güldenstädt, 1814), living in the Lake Van basin in Turkey. The serial sections taken from the subpharyngeal region and kidney were stained with hematoxylin and eosin, Mallory’s trichrome and periodic acid-Schiff/hematoxylin and then examined. The histological examinations showed that the thyroid gland of pearl mullet was unencapsulated and the thyroid follicles were scattered diffusely in the subpharyngeal region, located at the dorsal and lateral aspects of the ventral aorta. The follicles had colloid-filled lumens and were surrounded by simple follicular epithelial cells varying in shapes (squamose, cuboidal and cylindrical). Thyroid follicles were not found in any areas of the kidney. The interrenal and chromaffin tissue were observed to be associated with postcardinal vein with its branches in the head of the kidney. The interrenal cells having a deeply eosinophilic cytoplasm were determined adjacent to branches in the head kidney. The eosinophobic chromaffin cells were found to show two different distributions. They were observed as being intermingled with the interrenal cells and formed separate groups surrounded by a thin connective tissue in the walls of the major veins. Both interrenal and chromaffin cells displayed a negative periodic acid-Schiff reaction.

Keywords: Alburnus tarichi; histology; interrenal gland; thyroid gland

ABSTRAK

Dalam kajian ini, pengaturan histologi kelenjar tiroid dan antara renal dikaji kali pertama dalam ikan belanak mutiara (Alburnus tarichi Güldenstädt, 1814) yang hidup di lembangan Tasik Van di Turki. Bahagian keratan yang diambil dari rantau subfarinks dan buah pinggang telah diwarna dengan hematoksilin dan eosin, trikrom Mallory dan asid berkala-Schiff/hematoksilin dan seterusnya dikaji. Pemeriksaan histologi menunjukkan bahawa kelenjar tiroid daripada ikan belanak mutiara telah dikapsul dan folikel tiroid tersebar resap di rantau subfarinks, terletak pada aspek dorsal dan sisian aorta ventral. Folikel mempunyai lümen koloid yang dipenuhi dan dikelilingi oleh pelbagai bentuk (squamose, cuboidal dan silinder). Folikel tiroid tidak ditemui dalam mana-mana bahagian buah pinggang. Tisu dalaman dan kromafin diperhatikan dikaitkan dengan urat pasca kardinal dengan cawangannya di kepala buah pinggang. Sel-sel antara renal yang mempunyai sitoplasma yang sangat eosinofilik, ditentukan berdekatan dengan cabang-cabang dalam kepala buah pinggang. Sel eosinofobik kromafin dilihat menunjukkan dua taburan berbeza. Mereka diperhatikan bercampur dengan sel antara renal dan membentuk kumpulan berasingan yang dikelilingi oleh tisu sambungan nipis di dalam dinding saluran vena utama. Kedua-dua sel antara renal dan kromafin menunjukkan tindak balas asid berkala-Schiff yang negatif.

Kata kunci: Alburnus tarichi; histologi; kelenjar antara renal; kelenjar tiroid

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*Pengarang untuk surat-menyurat; email: bkaptaner@yahoo.com