HISTOLOGICAL STUDY OF EXCRETORY PORTION OF KIDNEY IN GRASS CARP (CTENOPHARYGODON IDELLA)

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MOROVVATI H.; ERFANI MAJD N.; PEYGHAN R.; MOBARAKI GH.

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Journal Paper

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Journal: IRANIAN VETERINARY JOURNAL Year:2011 | Volume:6 | Issue:4 (29) Page(s): 0-0

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Title

HISTOLOGICAL STUDY OF EXCRETORY PORTION OF KIDNEY IN GRASS CARP (CTENOPHARYGODON IDELLA)

Author(s)

MOROVVATI H. | ERFANI MAJD N. | PEYGHAN R. | MOBARAKI GH.

Keywords

HISTOLOGYQ2

KIDNEYQ2

GRASS CARPQ3

Abstract

Grass carp is one of the most important fish in Iran and the excretory portion of its kidney was histologically studied in present research. The kidneys of 11 live normal Grass carps (Ctenopharyngodon idella) with average weight of 818.18±183.4gr and standard length 39.81±2.63 cm, were removed by autopsy. The sections were made by paraffin embedding method and stained by H& E. The kidneys were dark-red in color and situated in ventral region of the vertebral column of Grass carp and the kidneys were divided to head, body and tail parts and light microscopic studies showed that the kidneys in Grass carp included excretory, haematopoetic and lymphoid tissue portions the same as other species of fish. Excretory portion of kidney parenchyma consisted of renal corpuscle and urinary tubules. Renal corpuscles were composed of glomerulus and bowman, s capsule. The renal corpuscles of kidney were large similar to that of freshwater stenohaline fish. The number of renal corpuscles in body portion (7.62±42) was nearly two times more than head portion (3.85±1.9). Microscopic study of urinary tubules showed the presence of neck segment which is consisted of a single layer of cuboidal to low columnar epithelial cells with weak basophilic cytoplasm and round or oval nuclei in the basal region of the cells. The first proximal segment was lined by tall columnar epithelial cells with basal nuclei and slightly eosinophilic cytoplasm. Apical microvilli (brush border) protruded deeply into the lumen. The apical cytoplasm of these cells was lighter than basal cytoplasm. The second proximal segment had a taller columnar epithelium with more centrally located nuclei and a less developed brush border. The cytoplasm of these cells was stained intensely eosinophilic. Intermediate segment was well developed in the Grass carp (instead of some other species) and had a narrow lumen that surrounded by cuboidal to short columnar epithelial cells with inconspicuous brush border. Staining was still strongly eosinophilic. The distal segment was lined with low, relatively clear columnar epithelial cells which had oval nuclei in basal portion. Columnar epithelium was lightly eosinophilic. Collecting tubules were identified with layers of smooth muscle and connective tissue. After collecting tubules, small and then large urinary ducts were seen with layers of smooth muscle and connective tissues.

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APA: Copy

MOROVVATI, H., ERFANI MAJD, N., PEYGHAN, R., & MOBARAKI, GH.. (2011). HISTOLOGICAL STUDY OF EXCRETORY PORTION OF KIDNEY IN GRASS CARP (CTENOPHARYGODON IDELLA). SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, 6(4 (29)), 0-0. SID. https://sid.ir/paper/97272/en

Vancouver: Copy

MOROVVATI H., ERFANI MAJD N., PEYGHAN R., MOBARAKI GH.. HISTOLOGICAL STUDY OF EXCRETORY PORTION OF KIDNEY IN GRASS CARP (CTENOPHARYGODON IDELLA). SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL[Internet]. 2011;6(4 (29)):0-0. Available from: https://sid.ir/paper/97272/en

IEEE: Copy

H. MOROVVATI, N. ERFANI MAJD, R. PEYGHAN, and GH. MOBARAKI, “HISTOLOGICAL STUDY OF EXCRETORY PORTION OF KIDNEY IN GRASS CARP (CTENOPHARYGODON IDELLA),” SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, vol. 6, no. 4 (29), pp. 0–0, 2011, [Online]. Available: https://sid.ir/paper/97272/en

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