Scanning electron microscopic study of the dorsal surface of the tongue of Calomys callosus mouse

Utiyama, Cássia; Watanabe, Ii-sei; König, Bruno; Koga, Luciane Y.; Semprini, Marisa; Tedesco, Roberto

doi:10.1016/s0940-9602(11)80098-1

Cited by 6 publications

(7 citation statements)

References 15 publications

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“…However, some studies in other rodent species do not cite foliated or conical papillae (UTIYAMA et al, 1995;SHINDO;YOSHIMURA;KOBAYASHI, 2006;ÜNSALDI, 2010;EMURA et al, 2011). In Cavia porcellus, coronal papillae are described on the intermolar eminence (IWASAKI; MIYATA, 1985).…”

Section: Light Microscopy Analysis (Lm)mentioning

confidence: 99%

“…In Spalax ehrenbergi (KILINC et al, 2010) and Calomys callosus (UTIYAMA et al, 1995), they have an oval shape, surrounded by a deep groove. The vallate papillae of K. rupestris still had many taste buds as described in lagomorphs Oryctolagus cuniculus (NONAKA; ZHENG; KOBAYASHI, 2008), in wild carnivores Nasua Nasua (SOUZA et al, 2012), in marsupials Didelphis marsupialis and human (WITT; REUTTER, 1997).…”

Section: Light Microscopy Analysis (Lm)mentioning

confidence: 99%

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Morphological characteristics of the tongue of the rock cavy- Kerodon rupestris wied, 1820 (Rodentia, caviidae)

Santos¹,

Aro²,

Bertassoli³

et al. 2015

Biosci. J.

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ABSTRACT:The Kerodon rupestris are wild rodents bred in captivity in order to their conservation and development of researches. The aim of this study was describe the morphology of the tongue from eight animals by light microscopy and scanning electron microscopy, beyond macroscopic studies. The tongues of K. rupestris had 3.15 ± 0.28 cm of length; 1.0 ± 0.20 cm width at the root; 0.38 ± 0.10 cm width at the body; and, 1.10 ± 0.09 cm width at the apex. Thickness measurements were 0.50 ± 0.09 cm at the apex; 0.30 ± 0.10 cm at the body; and, 0.70 ± 0.10 cm at the root. The free apex had 0.50 ± 0.10 cm in length. The dorsal surface of the tongue contained the fungiform and filiform papillae at the apex and body; conical papillae and a pairs of vallate papillae at the root, and foliated papillae dorsolaterally positioned in the root region. The proper lamina of the dorsal surface of the tongue was composed by keratinized stratified squamous epithelium, in which lingual papillae were found; and, a rich network of skeletal striated muscle and non-modeled dense connective tissue, in which vessels, nerves, mucous and serous acini and their respective ducts were found. In summary, dorsal surface of the tongue of K. rupestris had filiform and conical papillae with mechanical function, and, fungiform, vallate and foliated papillae with taste buds responsible by gustatory function. Moreover, the tongue of these animals showed some peculiarities as the eminence on the apex in sagittal plane, which needs further studies.

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Section: Light Microscopy Analysis (Lm)mentioning

confidence: 99%

Section: Light Microscopy Analysis (Lm)mentioning

confidence: 99%

Morphological characteristics of the tongue of the rock cavy- Kerodon rupestris wied, 1820 (Rodentia, caviidae)

Santos¹,

Aro²,

Bertassoli³

et al. 2015

Biosci. J.

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“…It has been reported that the borders of surface cells were clear (Svejda and Janota 1974;Toprak and Yilmaz 2007) and that there were many microridges on surface cells (Agungpriyono et al 1995;Utiyama et al 1995;Toprak and Yilmaz 2007). The findings of this study are in agreement with these earlier results.…”

Section: Discussionmentioning

confidence: 97%

Investigations on the postnatal development of the foliate papillae using light and scanning electron microscopy in the porcupine (Hystrix cristata)

Yi̇lmaz¹,

Aydin²,

Dinç³

et al. 2013

Vet. Med. - Czech

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ABSTRACT:In this study SEM and light microscopy were used to investigate the structure of the foliate papillae in the porcupine. The foliate papillae consisted of about 10 or 11 clefts. The length of the foliate papillae averaged 2.79 mm and its width averaged 863 µm. Taste buds were located intraepithelial in the basal half of the papilla grooves (sulcus papillae). Every wall on each fold harboured from five to nine taste buds. There were two different cell types of taste buds: one stained light (epitheliocytus sensorius gustatorius), and the other dark (epitheliocytus sustentans). The length and width of the taste buds averaged 190.5 µm and 86 µm, respectively. The ratio of the length to the width of taste buds was 2.21. The average depth of the papilla groves was 1763 µm and its epithelial thickness was 235.5 µm. In scanning electron microscopy, the thickness of the epithelial cell borders was apparent at higher magnifications and there micro-ridges and micro-pits were apparent on the surfaces of these cells.

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“…In the present study, the vallate papillae had rectilinear groove, but in some rodents such as C. glareolus (Jackowiak & Godynicki, ), the vallate papillae may have a “V” shape. In Spalax ehrenbergi (Kilinc et al, ) and Calomys callosus (Utiyama et al, ), they have an oval shape surrounded by a deep groove. The vallate papillae in rock cavies had many taste buds as described in C. porcellus (Ciena et al, ), lagomorphs O. cuniculus (Nonaka et al, ), in wild carnivores such as Nasua nasua (Souza et al, ), marsupials such as Didelphis marsupialis (Mançanares et al, ), and primates (Branco et al, , ).…”

Section: Discussionmentioning

confidence: 99%

Morphological tools to evaluate the digestory apparatus in rocky cavy (Kerodon rupestris)

Aro

Santos

Silveira

et al. 2019

Microscopy Res & Technique

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This research describes for the first time the complete morphology of the digestive apparatus of rock cavies. Dissection, light microscopy, and scanning electron microscopy were performed. The oral cavity has: the hard palate without palatine wrinkles and the soft palate; the tongue composed by striated musculature, with presence of vallate, foliated, and fungiform papillae with taste buds and filiform papillae with mechanical function; and, 20 teeth of the hypsodonts type. Esophagus, stomach, small intestine (duodenum, jejunum, and ileum), and the large intestine (cecum, colon, and rectum) are found. The anus is present at the end of the alimentary channel. Organs of digestive tube are composed by four tunics: mucosa, submucosa, muscular, and serosa. The duodenum, jejunum and ileum have villi. Jejunum, ileum and cecum present Lieberkühn crypts. The cecum has mucous glands. Colon and rectum are folded and have goblet cells. Anus presents sebaceous glands. As associated glands it is found the liver with six lobes and gallbladder; a lobulated pancreas; and a pair of each major salivary gland (parotid, mandibular, and sublingual). Parotid glands have serous acini and mandibular and sublingual glands have mucous acini. Pancreas has adenomers. The liver has hepatocytes and portal vein, hepatic artery, and bile duct (portal triad), separated by sinusoids. It is concluded that the digestive apparatus of the rock cavy has variations in the dentition, lingual papillae, and acini of the salivary glands when compared to other rodents. Other variations refer to the well‐developed cecum characteristic of herbivorous behavior.

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Scanning electron microscopic study of the dorsal surface of the tongue of Calomys callosus mouse

Cited by 6 publications

References 15 publications

Morphological characteristics of the tongue of the rock cavy- Kerodon rupestris wied, 1820 (Rodentia, caviidae)

Morphological characteristics of the tongue of the rock cavy- Kerodon rupestris wied, 1820 (Rodentia, caviidae)

Investigations on the postnatal development of the foliate papillae using light and scanning electron microscopy in the porcupine (Hystrix cristata)

Morphological tools to evaluate the digestory apparatus in rocky cavy (Kerodon rupestris)

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