Fine Structure of the Tongue and Lingual Papillae of the Penguin.

Kobayashi, Kan; Kumakura, Masahiko; Yoshimura, Ken; Inatomi, Mititomo; Asami, Tomoichiro

doi:10.1679/aohc.61.37

Cited by 77 publications

(93 citation statements)

References 8 publications

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“…As we learned from our study, adipose tissue also surrounds the lingual glands, and thus, movements of the tongue may bring about mechanic stimuli, causing mucus release from the glandular secretory units and ducts. The distribution of such glands and their openings so far studied in birds revealed that the anterior lingual glands have their openings at both sides of the tongue and posterior lingual glands at the surface of the root (Iwasaki and Kobayashi, 1986;Kobayashi et al, 1998;Liman et al, 2001;Jackowiak and Godynicki, 2005;Rossi et al, 2005). Our observations in the domestic goose corroborate the findings of most of the latter authors.…”

Section: Discussionsupporting

confidence: 88%

Functional Morphology of the Tongue in the Domestic Goose (Anser Anser f. Domestica)

Jackowiak

Skieresz‐Szewczyk

Godynicki

et al. 2011

The Anatomical Record

116

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Using LM and SEM methods, the study describes microstructures in particular areas of the tongue of the goose. A thick multilayered keratinized epithelium forms the ''lingual nail'' and covers small and giant conical papillae, whereby the first functions as an exoskeleton of the tongue apex, and the latter are arranged along the lingual and well-developed connective tissue cores, and together with the bill lamellae are involved in cutting. The row of conical papillae on the lingual prominence prevents regurgitation of transported food. In the area of the ''lingual nail'' and in the anterior part of the lingual prominence, Herbst corpuscles are accumulated, which allow to recognize food position. Filiform papillae, as widely distributed between the conical papillae of the body, are responsible for filtering. They can be explained as long keratinized processes of the epithelium and are devoid of connective tissue cores. During food transport, the flattened areas of the lingual body and the lingual prominence are protected by a parakeratinized epithelium, but the root is covered by a nonkeratinized epithelium. The presence of adipose tissue in the tongue probably reduces pressure during food passage, but also promotes mucus evacuation from the lingual glands, thus facilitating food transport. An entoglossal bone with a continuation as cartilage is the stable structural basis of the tongue system. Anat Rec, 294:1574Rec, 294: -1584Rec, 294: , 2011. V V C 2011 Wiley-Liss, Inc.Key words: tongue; epithelium; lingual papillae; lingual nail; Herbst corpuscles; domestic gooseThe type of food intake and processing of food in animals are important factors to affect the morphological diversity of structures on the surface of the tongue. Previous investigations of the oral cavity in birds focused on the position of the tongue in the beak cavity and detailed macroanatomical and microanatomical features, such as diversity of mechanical papillae, types of epithelium covering the lingual mucosa and modifications of skeletal structures, including the hyoid apparatus. Moreover, several earlier studies included already aspects of the rich relief of the tongue in

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Section: Discussionsupporting

confidence: 88%

Functional Morphology of the Tongue in the Domestic Goose (Anser Anser f. Domestica)

Jackowiak

Skieresz‐Szewczyk

Godynicki

et al. 2011

The Anatomical Record

116

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“…The canary tongue has thicker epithelium on the dorsal surface compared with the ventral surface, and this gradually decreases in thickness towards radix, and these findings are similar to those reported in the literature [18,19,24,26,29]. Since the epithelial keratinization of the canary tongue is limited, it may suggest that food stays limited period on dorsal surface of the tongue is limited.…”

Section: Discussionsupporting

confidence: 87%

“…Furthermore, there are no beak protrusions at the edges of the upper or lower beak as is the case in geese [26]. Therefore, it is thought that these epithelial extensions, which limit the lateral edges of the inclined surface of the upper part of the tongue, could play a role in keeping the food on the tongue surface until it is swallowed [24,29].…”

Section: Discussionmentioning

confidence: 99%

Tongue and lingual salivary glands of the canary: scanning electron microscopy and histochemical study

2017

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“…Yamamoto et al (1989) cleared the distribution of elastic fibres in the filiform papillae of Suncus murinus, and concluded that the regional distribution of this structure may reflect the variance of mechanical strength between the tongue are as caused by tongue movement during mastication. Kobayashi et al (1998) observed several filaments of elastic fibres in the penguin lingual papillae.…”

Section: Discussionmentioning

confidence: 91%

Comparative histological characterization of the tongue in two reptiles; Scincus scincus (Scincidae) and Uromastyx ornata (Agamidae) in relation to diet

Salem¹,

Miles²,

Alm-Eldeen³

et al. 2017

Egypt. J. Exp. Biol. (Zoo.)

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S i h a m B a yo u mi S a l e m Do n a l d B . Mi l e s A b e e r A b d -E l h a me e d A l m -E l d e e n Ra m a d a n M a h m o u d K a n d ye lComparative histological characterization of the tongue in two reptiles, Scincus scincus (Scincidae) and Uromastyx ornata (Agamidae) in relation to diet ABSTRACT:The present study is designed to investigate the morphological and histological characterization of the tongue in two reptilian species; S. scincus (Insectivorous) and U. ornata (Herbivorous). Moreover, to reveal the histochemical features of the lingual glands and connective tissue fibres. Five adult reptiles of each species were used, they were collected from Abo-Rawash, Egypt. Different histochemical methods were used to detect the nature of the lingual gland secretions and their relationship with the feeding habits. Morphologically, in both species, the tongue is somewhat triangle with three distinguishable areas; apex, body, and root. The notched tip is more obvious in U. ornata. Different shapes of papillae are distributed over the dorsal lingual surfaces and being more abundant in U. ornata. Both serous and mucous secretory acini are noticed in the tongue of U. ornate, however, in S. scincus only mucous acini are found. The secretory acini showed a clear affinity toward all stain types according to the acid and neutral mucin. The amount and distribution of collagen fibres are comparatively more in the tongue of U. ornata. Elastic fibres are not detected in the two-examined species. The results showed a marked variation in lingual papi llae, lingual gland secretions, and in the distribution of collagen fibres in the two -examined species as a reflection of their diet. KEY WORDS:Lingual papillae, Lingual glands, Taste buds, Collagen fibres, Herbivorous CORRESPONDENCE:S i h a m B a yo u mi S a l e m Zoology Department, Faculty of Science, Tanta University, Egypt.

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Fine Structure of the Tongue and Lingual Papillae of the Penguin.

Cited by 77 publications

References 8 publications

Functional Morphology of the Tongue in the Domestic Goose (Anser Anser f. Domestica)

Functional Morphology of the Tongue in the Domestic Goose (Anser Anser f. Domestica)

Tongue and lingual salivary glands of the canary: scanning electron microscopy and histochemical study

Comparative histological characterization of the tongue in two reptiles; Scincus scincus (Scincidae) and Uromastyx ornata (Agamidae) in relation to diet

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