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Histological and morphometric evaluation of the urethra and penis in male New Zealand White rabbits.

Authors
  • Skonieczna, Joanna1
  • Madej, Jan P1
  • Kaczmarek-Pawelska, Agnieszka2
  • Będziński, Romuald2
  • 1 Division of Histology and Embryology, Faculty of Veterinary Medicine, Wrocław University of Environmental and Life Sciences, Wrocław, Poland. , (Poland)
  • 2 Department of Biomedical Engineering, Faculty of Mechanical Engineering, University of Zielona Góra, Zielona Góra, Poland. , (Poland)
Type
Published Article
Journal
Anatomia Histologia Embryologia
Publisher
Wiley (Blackwell Publishing)
Publication Date
Jan 01, 2021
Volume
50
Issue
1
Pages
136–143
Identifiers
DOI: 10.1111/ahe.12611
PMID: 32869908
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

This stereudy aimed at performing a histological and morphometric evaluation of the urethra and penis of male rabbits. Seven male New Zealand White rabbits weighing 2.1-3 kg were used in the study. The whole urethra, from the urinary bladder to the external urethral orifice, was dissected from the rabbits, and the tissue was sliced into sections at an interval of 2 mm. The sections were stained with haematoxylin-eosin, Masson-Goldner trichrome stain, Van Gieson's stain and Movat-Russell modified pentachrome stain. A detailed evaluation of the morphology and morphometry was performed. The parameters assessed were the type and height of epithelium, thickness and composition of connective tissue, and thickness and structure of muscularis. The histological structure of the rabbit urethra was found to be similar to humans. However, although the rabbits were found to have the same type of penis as the humans, the internal structure of the corpora cavernosa, the relative thickness of the tunica albuginea and the rudimentary glands of the penis were found to differ in these animals. The results of the present study may be useful in the designing of implants, drug testing or surgical procedures on the physiological and pathological urethra. © 2020 Wiley-VCH GmbH.

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