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Histological characterisation of the skin of the Paraechinus hypomelas, Brandt, 1836 (Erinaceidae: Eulipotyphla)
, 2, 3, 1, 4
Affiliations- Department of Anatomical Sciences, Medical School, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Department of Basic Sciences and Pathobiology, Faculty of Veterinary Medicine, Razi University, Kermanshah, Iran
- Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
- DVM student, Faculty of Veterinary Medicine, Razi University, Kermanshah, Iran
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Abstract
Background: The current study represents the first description of the histological characterisations of the normal skin of Brandt’s hedgehog (paraechinus hypomelas).
Materials and methods: Skin samples were collected from abdomen, back, nostril and cloacal regions.
Results: The skin consisted of 3 layers including epidermis, dermis and hypodermis. The epidermis was covered by a layer of keratinised squamous epithelium mainly in the back region, but the skin keratinisation was present with a little amount or may was absent in other regions. Histologically, the total thickness of skin was maximum on the back and minimum on the cloacal regions. The epidermis consisted of 4 layers and stratum lucidum was absent in all regions. Beneath the epidermis, the dermis layer was constituted of dense connective tissue in which the hair follicles, sweat glands, sebaceous glands, arrector pilli muscles and blood vessels were present. The sweat and sebaceous glands were more populated in the nostril region. The hair follicles were located in the epidermal and dermal regions. Vibrissae were only in the nostrils region and characterised from other hairs by their large and well innervated hair follicle which was surrounded by the blood sinus.
Conclusions: The present findings show that in Brandt’s hedgehog (paraechinus hypomelas) the back and cloacal regions have thickest and thinnest skin respectively as compared to the nostril and abdominal regions. In addition, sebaceous and sweat glands were mainly populated in the nostril region
Abstract
Background: The current study represents the first description of the histological characterisations of the normal skin of Brandt’s hedgehog (paraechinus hypomelas).
Materials and methods: Skin samples were collected from abdomen, back, nostril and cloacal regions.
Results: The skin consisted of 3 layers including epidermis, dermis and hypodermis. The epidermis was covered by a layer of keratinised squamous epithelium mainly in the back region, but the skin keratinisation was present with a little amount or may was absent in other regions. Histologically, the total thickness of skin was maximum on the back and minimum on the cloacal regions. The epidermis consisted of 4 layers and stratum lucidum was absent in all regions. Beneath the epidermis, the dermis layer was constituted of dense connective tissue in which the hair follicles, sweat glands, sebaceous glands, arrector pilli muscles and blood vessels were present. The sweat and sebaceous glands were more populated in the nostril region. The hair follicles were located in the epidermal and dermal regions. Vibrissae were only in the nostrils region and characterised from other hairs by their large and well innervated hair follicle which was surrounded by the blood sinus.
Conclusions: The present findings show that in Brandt’s hedgehog (paraechinus hypomelas) the back and cloacal regions have thickest and thinnest skin respectively as compared to the nostril and abdominal regions. In addition, sebaceous and sweat glands were mainly populated in the nostril region
Keywords
hedgehog, histology, skin, sweat gland, Paraechinus hypomelas
About this articleTitle
Histological characterisation of the skin of the Paraechinus hypomelas, Brandt, 1836 (Erinaceidae: Eulipotyphla)
Journal
Issue
Article type
Original article
Pages
280-287
Published online
2019-07-04
Page views
2005
Article views/downloads
1184
DOI
Pubmed
Bibliographic record
Folia Morphol 2020;79(2):280-287.
Keywords
hedgehog
histology
skin
sweat gland
Paraechinus hypomelas
Authors
M. Akbari Bazm
N. Goodarzi
M. M. A. Abumandour
L. Naseri
M. Hosseinipour
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