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Research Article


Morphological examination of the normal kidney and urinary bladder in goats (Capra hircus) using anatomical sections and computed tomography

Mohamed Aref, Walaa O. M. Youssef, Ahmed Abdelbaset-ismail, Gamal A. Salem, Mohamed A. Nassan, Esraa A. Elsheikh.


Abstract
Background:
Cross-sectional imaging is set to become the standard method for diagnosing various pathological conditions of the urinary tract in goats, and the concept for this atlas originated from this understanding. Until now, there has not been a comprehensive comparative atlas detailing the structures of the urinary tract in goats and their relationships with other organs.

Aim:
The main aim and objective of this study was to compare anatomically frozen cross-sections and detailed computed tomography images of the urinary tract, which may be used to diagnose urinary abnormalities and affections in goats.

Methods:
Eight healthy adult goats (Capra hircus) of both sexes were collected for anatomical and diagnostic examinations; average age: 15 - 25± 0.52 months and average weight: 25 - 35 ± 0.42 kg. The study focused on the pelvic and abdominal cavities, along with their contents and relationship with urinary organs. The examination included the analysis of bony and soft tissues using median, sagittal, and cross-anatomical sections. Subsequently, the specimens were subjected to diagnostic screening by CT.

Results:
We found that both kidneys were readily distinguishable in both anatomical and computed tomography (CT) scans as spherical to bean-shaped, but in the CT scan, the kidneys exhibited hypoechoic features with an anechoic hilus and there was no sharp demarcation between the cortex and medulla, although the cortex was slightly denser than the medulla. In the dorsal-plane CT scan, the right ureter was positioned dorsally adjacent to the caudal vena cava, extending toward the urinary bladder. The egress of the left ureter from the left renal hilus was observed in the transverse CT image. On transverse- and dorsal plane CT, the urinary bladder may be identified at the sacrum level on the pelvic floor, located beneath the uterus and rectum. A dorsal-plane CT scan revealed the presence of the urethra exiting the urine bladder in a caudal direction.

Conclusion:
The cross-sectional layout of CT images enables both students and clinicians to observe the anatomical connections and features of the goat urinary tract, which might not be easily seen through dissection alone. Furthermore, this atlas could serve as a helpful resource for study and clinical reference to enhance the understanding of goat urinary tract anatomy, which can ultimately help address pathological conditions.

Key words: Frozen cross sections, CT, Kidney, Urinary bladder, Goat


 
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How to Cite this Article
Pubmed Style

Aref M, Youssef WOM, Abdelbaset-ismail A, Salem GA, Nassan MA, Elsheikh EA. Morphological examination of the normal kidney and urinary bladder in goats (Capra hircus) using anatomical sections and computed tomography. Open Vet J. 2025; 15(2): 820-826. doi:10.5455/OVJ.2025.v15.i2.31


Web Style

Aref M, Youssef WOM, Abdelbaset-ismail A, Salem GA, Nassan MA, Elsheikh EA. Morphological examination of the normal kidney and urinary bladder in goats (Capra hircus) using anatomical sections and computed tomography. https://www.openveterinaryjournal.com/?mno=226815 [Access: March 12, 2025]. doi:10.5455/OVJ.2025.v15.i2.31


AMA (American Medical Association) Style

Aref M, Youssef WOM, Abdelbaset-ismail A, Salem GA, Nassan MA, Elsheikh EA. Morphological examination of the normal kidney and urinary bladder in goats (Capra hircus) using anatomical sections and computed tomography. Open Vet J. 2025; 15(2): 820-826. doi:10.5455/OVJ.2025.v15.i2.31



Vancouver/ICMJE Style

Aref M, Youssef WOM, Abdelbaset-ismail A, Salem GA, Nassan MA, Elsheikh EA. Morphological examination of the normal kidney and urinary bladder in goats (Capra hircus) using anatomical sections and computed tomography. Open Vet J. (2025), [cited March 12, 2025]; 15(2): 820-826. doi:10.5455/OVJ.2025.v15.i2.31



Harvard Style

Aref, M., Youssef, . W. O. M., Abdelbaset-ismail, . A., Salem, . G. A., Nassan, . M. A. & Elsheikh, . E. A. (2025) Morphological examination of the normal kidney and urinary bladder in goats (Capra hircus) using anatomical sections and computed tomography. Open Vet J, 15 (2), 820-826. doi:10.5455/OVJ.2025.v15.i2.31



Turabian Style

Aref, Mohamed, Walaa O. M. Youssef, Ahmed Abdelbaset-ismail, Gamal A. Salem, Mohamed A. Nassan, and Esraa A. Elsheikh. 2025. Morphological examination of the normal kidney and urinary bladder in goats (Capra hircus) using anatomical sections and computed tomography. Open Veterinary Journal, 15 (2), 820-826. doi:10.5455/OVJ.2025.v15.i2.31



Chicago Style

Aref, Mohamed, Walaa O. M. Youssef, Ahmed Abdelbaset-ismail, Gamal A. Salem, Mohamed A. Nassan, and Esraa A. Elsheikh. "Morphological examination of the normal kidney and urinary bladder in goats (Capra hircus) using anatomical sections and computed tomography." Open Veterinary Journal 15 (2025), 820-826. doi:10.5455/OVJ.2025.v15.i2.31



MLA (The Modern Language Association) Style

Aref, Mohamed, Walaa O. M. Youssef, Ahmed Abdelbaset-ismail, Gamal A. Salem, Mohamed A. Nassan, and Esraa A. Elsheikh. "Morphological examination of the normal kidney and urinary bladder in goats (Capra hircus) using anatomical sections and computed tomography." Open Veterinary Journal 15.2 (2025), 820-826. Print. doi:10.5455/OVJ.2025.v15.i2.31



APA (American Psychological Association) Style

Aref, M., Youssef, . W. O. M., Abdelbaset-ismail, . A., Salem, . G. A., Nassan, . M. A. & Elsheikh, . E. A. (2025) Morphological examination of the normal kidney and urinary bladder in goats (Capra hircus) using anatomical sections and computed tomography. Open Veterinary Journal, 15 (2), 820-826. doi:10.5455/OVJ.2025.v15.i2.31