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El-Mansi AA, El-Bealy EA, Al-Kahtani MA, et al. Biological Aspects of the Tongue and Oropharyngeal Cavity of the Eurasian Collared Dove (. Microsc Microanal. 2021;1-17doi: 10.1017/S1431927621012101.
El-Mansi, A. A., El-Bealy, E. A., Al-Kahtani, M. A., Al-Zailaie, K. A., Rady, A. M., Abumandour, M. A., & El-Badry, D. A. (2021). Biological Aspects of the Tongue and Oropharyngeal Cavity of the Eurasian Collared Dove (. Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada, 1-17. https://doi.org/10.1017/S1431927621012101
El-Mansi, Ahmed A, et al. "Biological Aspects of the Tongue and Oropharyngeal Cavity of the Eurasian Collared Dove (." Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada vol. (2021): 1-17. doi: https://doi.org/10.1017/S1431927621012101
El-Mansi AA, El-Bealy EA, Al-Kahtani MA, Al-Zailaie KA, Rady AM, Abumandour MA, El-Badry DA. Biological Aspects of the Tongue and Oropharyngeal Cavity of the Eurasian Collared Dove (. Microsc Microanal. 2021 Jul 08;1-17. doi: 10.1017/S1431927621012101. Epub 2021 Jul 08. PMID: 34236954.
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Microsc Microanal. 2021 Jul 08;1-17. doi: 10.1017/S1431927621012101. Epub 2021 Jul 08.

Biological Aspects of the Tongue and Oropharyngeal Cavity of the Eurasian Collared Dove (.

Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada

Ahmed A El-Mansi, Eman A El-Bealy, Mohamed A Al-Kahtani, Khalid A Al-Zailaie, Ahmed M Rady, Mohamed A Abumandour, Dina A El-Badry

Affiliations

  1. Department of Biology, Faculty of Science, King Khalid University, P.O. Box 641, Abha61421, Saudi Arabia.
  2. Department of Zoology, Faculty of Science, Mansoura University, Mansoura, Egypt.
  3. Department of Biology, Faculty of Science, King Saud University, Riyadh, Saudi Arabia.
  4. Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Alexandria University, Behera, Egypt.

PMID: 34236954 DOI: 10.1017/S1431927621012101

Abstract

We characterized the morphological and anatomical adaptations of the lingual microstructures of the Eurasian collared dove and discussed their implications for its dietary niche. We analyzed tongues of nine S. decaocto using histological, histochemical, stereomicroscopic, and scanning electron microscopic techniques. Our findings showed that the tongue is relatively short with a tapered apex that carries a terminal lingual nail. However, the lingual body has median scales and is bordered laterally by filiform papillae. Further, the tongue body bears a distinctive papillary crest. The tongue root is nonpapillate and infiltered with orifices of the posterior salivary glands. The bulky laryngeal mound has a circular glottic fissure, carrying a single row of papillae at the rear edge. Concurrently, our histological and histochemical findings demonstrate that the tongue has taste buds, anterior and posterior salivary glands, along with an elongated entoglossum that extends from lingual apex to root. Besides, ovoid and globular mucous glands displayed intense alcianophilic reactions. More substantially, the palate is made up of three palatine ridges with a caudal choanal cleft that was bounded by two rows of palatine papillae. Our data indicate multiple and novel structural variations for the lingual and palatal sculptures coopted for their feeding style.

Keywords: Streptopelia decaocto; histology; palate; scanning electron microscope (SEM); tongue

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