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Everyday things under a microscope Photogallery at ETimes None of the previously cited studies, not even that by LIU & LEE (1982) analyzing specifically those papillae in common laboratory species, reported that characteristic. Marine pinnipedia appear to have evolved, possibly as two or three separate lines, from terrestrial carnivores in mid‐Tertiary times. The lingual papillae distributed on … Before observation, specimens were coated with Pt‐Pd. RYLANDS (Ed.) The authors thank Ulysses Lins and Fernanda Abreu of the Institute of Microbiology, UFRJ, and Marcia Sader, PEMM/COPPE/UFRJ, for their assistance in preparing the specimens and images of the SEM for this study. It was broadest at the posterior one‐third, and narrower towards the apex. 8B). The quantity of folds varied in the same tongue when comparing the right and left sides, and the space between the folds varied from 240 to 360 µm of width (Fig. ; I. WATANABE & B. KONIG JR. 1994. 2000. (LEDOUX 1964, MATSUKAWA & OKADA 1994), four to five in Saimiri spp. Microvasculature of the lingual papillae in primates and insectivores-fungiform, vallate and foliate papillae. Scanning Electron Microscopy. [ Links ], EMURA, S.; D. HAYAKAWA; H. CHEN & S. SHOUMURA. Compared to terrestrial mammalian species, aquatic mammals have some specific characteristics for adaptation to aquatic life, such as in the oral mucosa (including the tongue). Shortly after that, blocks were cut from various parts of the tongue. H&E staining. Small blood vessels (arrows) are also observable. Their ultrastructure was typical in the different regions of the tongue. Loss or major reduction of umami taste sensation in pinnipeds. Tongue, light micrograph. Anat Rec 267:146–153, 2002. Fu = fungiform papillae; Fi = filiform papillae; Vp = vallate papillae; Lcp = large conical papillae; scale bar = 1 cm. II. 1967. The epithelium of the outer surface of each papilla was relatively smooth. In an effort to see if a cat's tongue-spines (called papillae) had evolved to help process meat, she dragged a (removed post-mortem) cat tongue across a piece of pork. Comparative Morphology of the Lingual Papillae and Their Connective Tissue Cores in the Tongue of the American Mink, Their left lung is smaller or non existent. (MATSUKAWA & OKADA 1994), and five in lion tamarin (KOBAYASHI et al. 1982. COIMBRA-FILHO & R.A. MITTERMEIER. The uppermost parts nearly reached the stratum corneum. SEGATELLI. We discover structures on the cat tongue, hollow spines that we call cavo papillae, shared … Folia Primatologica 5: 264-279. 2004), birds (MARTINEZ et al. 10B). Lion lentivirus (LLV; also known as feline immunodeficiency virus of lion, Panthera leo [FIVPle]) is present in free-ranging and captive lion populations at a seroprevalence of up to 100%; however, clinical signs are rarely reported. The vallate papillae were approximately 2,000–5,300 μm in diameter. It examines the air Bourne particles that the tongue has collected. Neville Spracklen Lion cecil. Therefore, the aim of this study was to observe both the three‐dimensional structures on the surface of the lingual papillae of the California sea lion, and their CTCs after exfoliation of the epithelium on the dorsal surface of the tongue. [ Links ], ROSENBERGER, A.L. They were similar to a crown or as finger-like papillae, with a flat center and longer and more numerous prolongations pointing towards the posterior region, with approximately 200 µm in width, and shorter and less numerous prolongations pointing towards the opposite margin (Fig. Morfologia macro e microscópica das papilas linguais do quati (Nasua nasua). Histological and ultrastructural study of the lingual epithelium of the juvenile Pacific ridley turtle, Lepidochelys olivacea (Chelonia, Chelonidae). Bar 5 100 nm. A: Anterior part. Table 1 shows a summary of morphological differences between the present observations and reports by previous investigators regarding epithelial surfaces. The size of the filiform papillae gradually increased from the apex to the boundary between the anterior and posterior tongue. The surface of the fungiform papillae (Fig. There were pads in the border of that papilla and separating it from the mucosa. We thank the Niigata City Aquarium for supplying the specimens for autopsy. Family 1. Light and Scanning Electron Microscopic Study on the Tongue and Lingual Papillae of the Common raccoon, Procyon lotor. Specimens were then washed and dehydrated with a graded series of ethanol. In: A.B. So, if we had a microscope, then we would see that the skin on the lion's nose is made of separate little parts, and these parts are called cells. But when she examined the tongue under a microscope, she found this: Morphology of the dorsal lingual papillae in the black rhinoceros (Diceros bicornis). FERNANDES. There have been many comparative morphological investigations of land mammal species (MacDonald and Johnstone, 1995, Endo et al., 1999, Salazan et al., 1995). Isolated on orange background in studio in casual white shirt. E-26/171-573/00) and PROPEP-UNIGRANRIO. This is a human tongue. [ Links ], EMURA, S.; D. HAYAKAWA; H. CHEN & S. SHOUMURA. [ Links ], ARVIDSON, K. 1976. Comparative anatomical observations of the tongue of Japanese long-fingered bat, Miniopterus schreibersi fuliginosus. Filiform papillae of human, rat and swine tongue. [ Links ], MARTINEZ, M.; M.A. B: Antero‐postero boundary. 2004). There is no systematic or taxonomic relationship among marine mammal species (Jefferson et al., 1993); however, morphological characteristics appear to depend on the degree of adaptation to the aquatic environment. The distribution pattern and shape of the vallate papillae have also been discussed in the literature. [ Links ], MIKKONEN A.K. Learn more. Their skin is rugged and coarse, which makes it tough for any animal trying to foolishly attack them. Further studies are required to test the hypothesis of bifurcation, considering it a compensation for the single fold, in an attempt to increase the surface, and, thus, the number of gustatory buds. Scanning electron microscopic and histochemical studies of foliate papillae in the rabbit, rat and mouse. The ultrastructure of the foliate papillae is typical, with 1 to 3 folds measuring approximately 600 µm in extension. Chicago, University of Chicago Press, vol. In contrast, other marine mammal species, such as sea otters, are regarded as living in more of a land environment, and their tongue has many features in common with land mammals (Shimoda et al., 1996). [ Links ]. A língua do sagüi (Callithrix jacchus). [ Links ], IWASAKI, S.; K. MIYATA & K. KOBAYASHI. Rs 800/ Piece Get Latest Price. Cats have existed for nearly 11 million years, with the first domestic cat Felis catus appearing around 10,000 years ago in Southwest Asia.The first study on cat papillae was conducted in 1982 by J. Boshel et al., where scanning electron micrographs were taken of the tongue surface (as shown to the left).In their study, they concluded that these papillae were conically shaped. 1) was V‐shaped. Jul 26, 2020 - Explore Michael O'Connell's board "ZOOOOOM", followed by 305 people on Pinterest. Several taste buds were found in the epithelium on the fungiform papillae. Morphology of the Lingual Papillae in the Japanese Marten. H&E staining. Leontopithecus is the largest genus of Callithrichidae, occupying isolated remnants of the Atlantic Forest in Brazil. Human tongue observed at a microscopic level with magnification. Therefore, this study aimed at examining the ultrastructure of the dorsal surface of the tongue in golden-headed lion tamarins, examining those data in light of the current literature, and comparing them with those found in other animals, mainly primates. For light microscopy, specimens were dehydrated with a graded series of alcohol. 1992, EMURA et al. In a previous investigation (Inatomi and Kobayashi, 1999) regarding the lingual papillae of land mammals, these morphological characteristics resembled the conical or lenticular papillae of the mountain goat (Artiodactyla: Oreamnos americanus) rather than that of a carnivorous land mammal's tongue. Anatomical Record 89: 429-40. There were two papillae on either side, distributed anterolaterally to the central one, forming a V shape. 1967). Morphological adaptations of yak (Bos grunniens) tongue to the foraging environment of the Qinghai-Tibetan Plateau1. [ Links ]. Archives of Histology and Cytology 55: 295-305. MACHIDA et al. The cat tongue shredded the meat, as expected. See more ideas about biology, microscopic, things under a microscope. After removal of the epithelium, the CTCs (Fig. Their tongues (average of the length between the apex and the most posterior position of the vallate papilla = 164 mm; average of the width at the broadest part of the tongue = 70 mm) were fixed with 10% formalin for post‐mortem autopsy. [ Links ], LEDOUX, L.J. 2). On the surface of these CTCs, small rod‐shaped protrusions of secondary cores were densely distributed. The CTCs of the fungiform papillae were also engaged deeply with the epithelium. It is elongated in the antero‐postero direction. Scale bar = 500 μm. [ Links ], CHAMORRO, C.A. 2) was globular in shape, and the diameter of the basal part was smaller than the top part of the papilla. 1967), and Saimiri (MATSUKAWA & OKADA 1994, IWASAKI et al. Another characteristic is that their bodies have smoother, more streamlined skin for hydrodynamic efficiency (Jefferson et al., 1993). The three vallate papillae were distributed in a V shape, and each papilla was surrounded by a deep sulcus and an external pad; the medial papilla showed a round shape and the lateral one was elliptical. [ Links ], MACHIDA, H.; E. PERKINS & L. GIACOMETTI. A tongue’s upper surface is covered with taste buds. The diet of sea otters consists of abalones, sea urchins, rock crab, and shellfish (Jefferson et al., 1993; Romer and Parsons, 1986). Submitted: 10.VII.2008; Accepted: 08.IV.2009. At the posterior area of the tongue, five vallate papillae were arranged in a V shape. The animals were kept in groups in outdoor cages, being, thus, exposed to the Atlantic Forest conditions (e.g., sounds, temperature and rainfall). Figure 38. 2004. Morphology of the dorsal lingual papillae in the lesser mouse deer Tragulus javanicus. In the studied lion tamarins, that diameter was approximately 2 µm, being similar to that of rodents. The structure of the tongue in neotropical primates has been insufficiently discussed in the literature; however, Hershkovitz (1977) reported a briefing of the major aspects based mainly on the studies by SONNTAG (1921) and LEDOUX (1964). van Bénéden, 1864) View Complete Details. The tongue of the golden-headed lion tamarin has a typical morphology among mammals, especially primates, with the following types of papillae: vallate, filiform, fungiform, and foliate. [ Links ], LIU, H.C. & J.C. LEE. The left and right sides of the tongue are separated by a vertical section of fibrous tissue, called a lingual septum. Dr. Masahiko Kumakura, Dr. Ichiro Sasagawa, Dr. Zac Morse, and Dr. Ikuo Kageyama are gratefully acknowledged for their constructive criticism. Some taste buds were seen in the epithelium situated on top of the vallate papillae. 1984. Comparative morphological studies on the stereo structure of the lingual papillae of selected primates using scanning electron microscopy. The interpapillary area of the filiform and fungiform CTCs also had numerous short rod‐shaped connective tissue protrusions. A histological report by Kubota (1968) described the distribution of lingual papillae in the Northern fur seal; however, this was based only on macroscopical and light‐microscopical observations. Female lion yawning and showing sharp teeth and tongue under thorny bush in Etosha National Park, Namibia, Africa. Morphological changes in oral mucosae and their connective tissue cores regarding oral submucous fibrosis. 2003. Acta Anatomica 112: 310-320. The top of the fungiform papilla (Fig. The specimens were rinsed with 0.1M sodium cacodylate buffer at pH 7.3. 1986. The samples were dried in critical point dryer, using Balzers CPD-030. In our study with SEM, we could not evidence the microvilli of the cells inside the gustatory pore, probably due poor fixation and conservation method (formalin). Those animals were kept at the Center of Primatology of Rio de Janeiro (CPRJ). (1967) have already discussed the absence of foliate papillae in prosimians and their prevalence in New and Old World Primates. Masson‐trichrome staining. The apex of each filiform papilla (Fi) has a rather sharp tip. This study comprised 10 golden-headed lion tamarins with a mean age of 128 months, a mean weight of 602.2 g, and a mean total length of 520 mm (without the tail). With respect to vallate papillae, we identified the microridge and pore pattern on its surface. After immersion of the specimens, the epithelium was exfoliated from the underlying CTCs at the boundary of epithelium‐connective tissue … Light and Scanning Electron Microscopic Study of the Tongue in the White Tailed Eagle (Haliaeetus albicilla, Accipitridae). 4). These also gradually increased in size toward the posterior and became more rounded. 2004. 1995. A diet of fish and squid may provide less mechanical stimuli than meat, thereby affecting keratinization in sea lions. 2004). Figure 5. Although the so-called triangular or in V pattern has been established, i.e., three vallate papillae, one medial (in the midline), some authors have reported different numbers: in the squirrel monkey, one papilla, according to IWASAKI et al. This study was supported by a grant from FAPERJ (C.H.F.B. (2004) have reported that the number of papillae varies according to the phylogenetic relation, in which Tupaia, Tamarins and Drills have a primitive pattern with three circumvallate papillae. The full text of this article hosted at iucr.org is unavailable due to technical difficulties. ( Suricata suricatta, Schreber, 1776 ) discussion in the border of that papilla and it... 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The conical papillae distributed on the lingual mucosa of the European hedgehog ( Erinaceus )!

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