Further observations on the gustatory organs of the mammalia

Tuckerman, Frederick

doi:10.1002/jmor.1050070105

Cited by 13 publications

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“…They are absent in sloths and Cyclopes (Benetti et al, ; Carus & Otto, ; Martins et al, ; Sonntag, ), and we have not found them in Myrmecophagidae, in agreement with previous reports (Gmelin, ; Kubota et al, ; Sonntag, ). Their presence was reported in some armadillos (Boulart & Pilliet, ; Morais & Watanabe, ; Tuckerman, ,) and we observed them in E. sexcinctus and C. unicinctus , but not in D. novemcinctus or D. septemcinctus . Other authors (Gmelin, ; Sonntag, ) reported that they have not been found in armadillos, even in species in which they were previously reported.…”

Section: Discussionsupporting

confidence: 54%

“…As in anteaters, the region of circumvallate papillae in Cingulata is surrounded by a rich glandular contribution, but in C. unicinctus they are only serous in type, as observed in other armadillos (Cupa‐Caparo, ; Dingler, ; Oppel, ; Tuckerman, ,). In the ventral side of one specimen of C. unicinctus , mixed glands could be observed.…”

Section: Discussionmentioning

confidence: 69%

“…There are some studies detailing the tongue morphology of Xenarthra in general (Bradley, ; Dingler, ; Gmelin, ; Grassé, ; Kühlhorn, ; Mayer, ; Münch, ; Oppel, ; Owen, ; Rapp, ; Sonntag, ; Stadtmüller, ; von Bayern, ), and others focusing on the tongues of Cingulata (Boulart & Pilliet, ; Ciuccio, Estecondo, & Casanave, ; Cupa‐Caparo, ; Estecondo, Codón, & Casanave, ; Morais & Watanabe, ; Morais, Watanabe, & König, ; Tuckerman, ; Watanabe, Morais, Yokoyama, Inokuchi, & Hamassaki, ), and Folivora (Benetti, ; Benetti et al, ; Martins et al, ; Sonntag, ; Sonntag & Duncan, ), which allows for a comparative analysis of tongue anatomy and histology in the group.…”

Section: Introductionmentioning

confidence: 99%

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Morphology of the tongue of Vermilingua (Xenarthra: Pilosa) and evolutionary considerations

Casali

Martins-Santos

Santos

et al. 2017

Journal of Morphology

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The tongue of anteaters (Xenarthra, Pilosa, Vermilingua) is a highly specialized for myrmecophagy. Here, we describe the topography and histology of the tongue, and compare it to that of other xenarthrans and other myrmecophagous eutherian mammals. The tongue of Vermilingua is long and slender, with an apical protuberance, which differs between Myrmecophagidae and Cyclopes didactylus. In the former, the rostral region is conical, and in the latter, it is dorsoventrally compressed, as observed in sloths. The tongue of Vermilingua has filiform and circumvallate papillae on the surface; foliate and fungiform papillae are absent. The filiform papillae of Myrmecophaga tridactyla are simple all over the tongue, differing from Tamandua tetradactyla and Cyclopes didactylus, which present composed filiform papillae in the rostral and middle regions. Histologically, the tongue has a peculiar organization of muscular and neurovascular tissues, differing from the usual mammalian pattern. However, the tongue structure is less divergent in Cyclopes. The presence of two circumvallate papillae is common to the three major clades of Xenarthra (Cingulata, Folivora and Vermilingua). In each group, the tongue may reflect functional features related to myrmecophagous (anteaters and some armadillos), omnivorous (remaining armadillos) and folivorous (sloths) feeding habits. The similarities between the tongues of Vermiligua and other non-xenarthran eutherian myrmecophagous mammals are somewhat general and, under close inspection, superficial, being an example of different lineages achieving the same morphofunctional adaptations through distinct evolutionary pathways.

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Section: Discussionsupporting

confidence: 54%

Section: Discussionmentioning

confidence: 69%

Section: Introductionmentioning

confidence: 99%

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Morphology of the tongue of Vermilingua (Xenarthra: Pilosa) and evolutionary considerations

Casali

Martins-Santos

Santos

et al. 2017

Journal of Morphology

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“…7). In the lateral organs of Ateles ater, according to Tuckerman (1892b), serous glands are fairly plentiful and there are some ten tiers of taste buds. It is also interesting that there is a diffuse infiltration of lymphoid cells in the lamina propria beneath the foliate papillae ( fig.…”

Section: Discussicin and Conclusionmentioning

confidence: 99%

Comparative anatomical and neurohistological observations on the tongues of pigmy and common marmosets

Kubota

Hayama

1964

Anat. Rec.

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Macroscopic and neurohistological observation 3 of the tongues of the pigmy and common marmosets are described. On the dorsum, there are three circumvallate papillae arranged i n an inverted V-shape. Through the magnifying glass the foliate papillae with a few clefts are found anterior to i:he attachment of the glossopalatine fold. The fungiform papillae can be seen with a lens. The vallate papillae are supplied with abundant nerves. The taste buds are located only in the lateral non-cornified wall of the papilla, closely associated with the subgemmal nerve plexus. The lingual glands of the serous type are present deep in the muscle of this region. The ganglion cells composing the ganglion are located inside and below the papilla. The foliate papillae consist of a few furrows with many taste buds and are supplied with abundant nerves and a few ganglion cells. The serous glands are not plentiful. Infiltration of the lymphoid cells in the foliate papilla region should be regarded as the lingual follicle of the primitive type. The fungiform papillae are supplied with abundant nerve fibers which terminate free and are furnished with many taste buds having an embryonic appearance. The papillae are comparable to those of the human fetal or newborn tongue. The "sublingua" is a rudimentary structure having neither sensory nerves nor taste buds. The ganglion cells lying on the nerve fiber bundles in the apical region probably are cells migrating from the submandibular ganglion. No apical glands of Nuhn are present.The literature concerning the tongue, especially the lingual papillae of primates, contains many papers stating in detail the gross and microscopic anatomy as listed in the references at the end of this paper. There is, however, little information on the microscopic innervation of the tongue of primates. This work is part of a comparative study of tongues of primates with emphasis on their innervation. MATERIALS AND METHODSThe materials used for this study were the tongues of four pigmy and two common marmosets from the Japan Monkey Centre of lnuyama City. After fixation in 10% formalin, they were examined with a lens, and then 30 u frozen sections were made from the anterior part of the tongue in the sagittal section and from the posterior part in the frontal section. The modification of Bielschowskey's silver impregnation method was employed for staining (Kubota et al., '56, ' 6 3 ) . Macroscopic observationsThe tongue of the adult common marmoset is about 21 mm in length and about ANAT. REC., 150: 473-486 8 mm in width, and that of the pigmy is about 17 mm and 6 mm, respectively. The apex linguae is flat and more or less tuberculated. On the dorsum there are three circumvallate papillae arranged in an inverted V-shape. The central posterior papilla is situated anterior to the epiglottis on the median sulcus and is oval in the pigmy, but rather round, surrounded by a moat, and bounded by "vallum" in the common marmosets. Each anterior lateral papilla is a little smaller than the posterior one ( fig. lA...

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“…The most complete earlier work (Yamasaki et al, 1980) on the manatee tongue compared the manatee tongue with the dugong ( Dugong dugon ) tongue. Historical works on the manatee tongue have been conducted by several investigators (Owen, 1868; Murie, 1872; Tuckerman, 1892; Sonntag, 1922).…”

Section: Introductionmentioning

confidence: 99%

Gross and Microscopic Observations on the Lingual Structure of the Florida Manatee Trichechus manatus latirostris

Levin

Pfeiffer

2002

Anat Histol Embryol

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The tongue of the Florida manatee (Trichechus manatus latirostris) was studied macroscopically, light and electron microscopically. The tongue was slender, muscular and firmly fixed in the oral cavity; only the cranial tip was free and mobile. Numerous filiform papillae were distributed over the dorsal surface of the rostral tongue. Multiple raised, round fungiform-like papillae were distributed over most of the dorsum. Typical fungiform papillae were restricted to the lateral margins of the tongue. Foliate papillae, presenting as multi-fossulate openings, were noted on the caudolateral margins. Open pits were located on the dorsocaudal surface and lateral walls. Microscopic examination showed that most of the lingual dorsum was covered with a thick stratified squamous epithelium. Open pits led to well-developed mucous salivary glands. Glands within the foliate papillae were mostly mucous, although some seromucous glands were present. Taste buds were restricted to the epithelium of the foliate papillae. Throughout the tongue, striated muscle was abundant below the epithelium. Blood vessels, lymph channels and nerve fibres were freely distributed throughout the intermuscular stroma. Nerve fibres reacted positively with neurone specific enolase (NSE) antibody throughout the tongue, including nerve bundles, glands and taste buds. Clear to translucent vacuoles were found juxtaposed to nuclei in the stratum spinosum in the foliate papillae epithelium.

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Further observations on the gustatory organs of the mammalia

Cited by 13 publications

References 0 publications

Morphology of the tongue of Vermilingua (Xenarthra: Pilosa) and evolutionary considerations

Morphology of the tongue of Vermilingua (Xenarthra: Pilosa) and evolutionary considerations

Comparative anatomical and neurohistological observations on the tongues of pigmy and common marmosets

Gross and Microscopic Observations on the Lingual Structure of the Florida Manatee Trichechus manatus latirostris

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