2021
DOI: 10.1002/jemt.23753
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Ultrastructural comparison between the tongue of two reptilian species endemic in Egyptian fauna; Bosc's fringe‐toed lizard Acanthodactylus boskianus and Sinai fan‐fingered gecko Ptyodactylus guttatus

Abstract: The current observations focused on the ultrastructure comparison between the tongue of two reptile species endemic the Egyptian fauna; Bosc's fringe‐toed lizard Acanthodactylus boskianus and Sinai fan‐fingered gecko Ptyodactylus guttatus to exhibit the relationship between the lingual epithelium and its function according to their specific feeding strategy. A. boskianus possessed triangular elongated tongue with bifurcated tapering apex and wide base while; the P. guttatus had a triangular flattened tongue wi… Show more

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Cited by 7 publications
(7 citation statements)
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References 40 publications
(50 reference statements)
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“…The current histological investigation into the Egyptian tortoise tongue reveals that the dorsal surface is covered with keratinized stratified squamous epithelium and the keratinized layer extends to cover the lingual papillae, as reported previously in Egyptian tortoise, rat and bat (Al-Zahaby et al, 2018;Massoud & Abumandour, 2019. The stratified squamous lining epithelium of the dorsal lingual surface of the currently examined species is similar to that observed in; the juvenile Hawksbill turtle (Iwasaki, Asami, & Wanichanon, 1996a), the juvenile Pacific Ridley turtle (Iwasaki, Wanichanon, & Asami, 1996) and Bosc's fringe-toed lizard and Sinai fan-fingered gecko (Gewily et al, 2021). However, it is in contrast with the reports of previous authors (Iwasaki, 1992;Iwasaki, Asami, & Wanichanon, 1996b)in the freshwater turtle and the softshell turtle, in which the presence of the stratified cuboidal epithelium was reported.…”
Section: Discussionsupporting
confidence: 84%
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“…The current histological investigation into the Egyptian tortoise tongue reveals that the dorsal surface is covered with keratinized stratified squamous epithelium and the keratinized layer extends to cover the lingual papillae, as reported previously in Egyptian tortoise, rat and bat (Al-Zahaby et al, 2018;Massoud & Abumandour, 2019. The stratified squamous lining epithelium of the dorsal lingual surface of the currently examined species is similar to that observed in; the juvenile Hawksbill turtle (Iwasaki, Asami, & Wanichanon, 1996a), the juvenile Pacific Ridley turtle (Iwasaki, Wanichanon, & Asami, 1996) and Bosc's fringe-toed lizard and Sinai fan-fingered gecko (Gewily et al, 2021). However, it is in contrast with the reports of previous authors (Iwasaki, 1992;Iwasaki, Asami, & Wanichanon, 1996b)in the freshwater turtle and the softshell turtle, in which the presence of the stratified cuboidal epithelium was reported.…”
Section: Discussionsupporting
confidence: 84%
“…Meanwhile, a heart‐shaped tongue is described in the semiaquatic giant Asian pond turtle (Lintner et al, 2012). The segmentation of the tongue into three portions (fore‐, mid‐ and hindtongue with caudolateral lingual wings) has been observed in numerous reptile species (Gewily et al, 2021). The triangular tongue is also described in other reptile species (Abbate et al, 2008; Abbate et al, 2020; Gewily et al, 2021)in Leopard Gecko, green iguana, Bosc's fringe‐toed lizard and Sinai fan‐fingered gecko, while the V‐appearance of the tongue was observed in the blue‐tongued lizard(Abbate et al, 2009).…”
Section: Discussionmentioning
confidence: 99%
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“…Then, samples were sectioned in 5 microns using Leica rotatory microtome (RM 20352035; Leica Microsystems, Wetzlar, Germany) and stained by haematoxylin and eosin according to Suvarna et al [58] to demonstrate the general histological structure. Extra sections were stained by Masson's trichrome [21,39] to visualise collagen and muscle fibres.…”
Section: Histological and Histochemical Investigationsmentioning
confidence: 99%