1985. Comparative scanning electron microscopic study of the lingual papillae in two species of domestic mammals (Equus cabalus e Bos taurus). Five small blocks were collected from the dorsal surface of the tongue with papillae at the following regions: anterior (apex), middle region and posterior region. The findings regarding the foliate papilla in neotropical primates indicate two to three folds in Callithrix spp. It was broadest at the posterior one‐third, and narrower towards the apex. Everyday things under a microscope Photogallery at ETimes It is elongated in the antero‐postero direction. According to some older histological investigations regarding the tongue of the California sea lion (Simpson and Gardner, 1972; Sonntag, 1922, 1923), lingual papillae and taste buds similar to those of land mammals were seen at the root of the sea lion's tongue; however, these studies lacked detailed descriptions of the lingual papillae. The vallate papillae were approximately 2,000–5,300 μm in diameter. Their tongues were elongated with a rounded flat apex. The papilla as a whole, including the pad, measured approximately 1.46 mm (Fig. Use the link below to share a full-text version of this article with your friends and colleagues. Hence, the morphological characteristics of the California sea lion's tongue may occupy a transitional position between terrestrial and aquatic environments. On the dorsal surface of the anterior part (Fig. A: External view of a vallate papilla. At what appears to be the sulcus terminalis, five vallate papillae were arranged in a V‐shape. 2004). In the posterior part of the tongue, there were five vallate papillae, one of which was situated centrally in the midline. Scale bar = 500 μm. Masson‐trichrome staining. Three captive lions diagnosed … By using their skills and creativity, the participants open up a whole new world to the … The tips of these large conical papillae were inclined obliquely in the postero‐medial direction. Gross and microscopic observations on the lingual structure of the franciscana (Pontoporia blainvillei — gervais and d'orbigny, 1844). Figure 39. Such microridges have generated discussion in the literature regarding to their functionality. Functional and comparative study of lingual papillae in four species of bear (ursidae) by scanning electron microscopy. Light and Scanning Electron Microscopic Study on the Tongue and Lingual Papillae of the Common raccoon, Procyon lotor. 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. Acta Anatomica 132: 225-229. Not only the lion's nose is made of cells, but his tongue and tail, and insides too. International Journal of Morphology 21: 117-122. … Covering the tongue's surface are scale-like projections called filiform papillae, which sense pressure. H&E staining. After removal of the epithelium of the large conical papillae, the appearance of their CTCs resembled their outer appearance (Fig. Comparative Morphological Study on the Stereo-Structure of the Lingual Papillae and Their Connective Tissue Cores of the American Beaver (Castor Canadensis). The Japanese firm's annual contest is open to those photographs of tiny subjects taken down a microscope ... second and a colourful close up of a snail's tongue coming third. They were then observed with a scanning electron microscope (S‐800; Hitachi high‐technologies, Tokyo, Japan). Although such studies in primates have concentrated on Old World Primates (SONNTAG 1921, ARVIDSON 1976, IWASAKI et al. Compared to land mammals, aquatic mammals—especially cetaceans, sirenians, and pinnipeds—have some unique characteristics for adaptation to aquatic circumstances. (The pseudo or broken gene in cats makes them unable to detect sweet taste.) The specimens were rinsed with 0.1M sodium cacodylate buffer at pH 7.3. 1992. Postfixation was made in 1% osmium tetroxide solution for two hours at 4ºC. & T.E. In the present study, we found various characteristics of the lingual mucosa of the California sea lion. After exfoliation of the epithelium (Fig. Since 1974, the Nikon Small World Photomicrography Competition has highlighted the artistry that scientists, researchers, and enthusiasts can create. After immersion of the specimens, the epithelium was exfoliated from the underlying CTCs at the boundary of epithelium‐connective tissue … Microvasculature of the lingual papillae in primates and insectivores-fungiform, vallate and foliate papillae. The flat tip of the fungiform papilla had a diameter of approximately 43 µm and epithelial cells similar to scales on its surface (Fig. The apex of the tongue was rounded. Morphology, taxonomic status and affinities of the Lion Tamarins, Leontopithecus (Callitrichinae, Cebidae). Annals of Anatomy 186: 525-530. In the macroscopic images the tongue of the California sea lion (Fig. B: After partial removal of the epithelium. A section trough different tongue cells under the microscope. ; P.D. Their ultrastructure was typical in the different regions of the tongue. Learn about our remote access options, Department of Anatomy, Nippon Dental University at Niigata, Niigata, Japan. 1944. 9). Bar 5 100 nm. MARTINEZ; H.L. ; P. PAZ; J. SANDOVAL & J.G. Dr. Masahiko Kumakura, Dr. Ichiro Sasagawa, Dr. Zac Morse, and Dr. Ikuo Kageyama are gratefully acknowledged for their constructive criticism. The epithelium (Fig. ZENG; I. KAGEYAMA; K. KOBAYASHI & N. HAMA. So far, no study on the ultrastructure of the dorsal surface of the tongue in lion tamarins (Leontopithecus spp.) C: Root. B: After removal of the epithelium. E-26/171-573/00) and PROPEP-UNIGRANRIO. FERNANDES. Ultrastructure of Lingual Papillae in Common Chimpanzee (Pan troglodytes) Foetus, Newborn and Adult Specimens. 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 diet of sea lions is mostly fish and squid. 1) was V‐shaped. These small protrusions were distributed in the anterior part of the tongue as well as in the interpapillary region of the root, and were arranged somewhat regularly. 7) of these disk‐like vallate papillae, numerous rod‐like secondary CTCs were found deep in the epithelium. 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. 1988). [ Links ], HERSHKOVITZ, P.1977. Thick bundles of nerve fiber (N) are partly seen inside the CTC of the fungiform papilla (Fu). Transmission electron microscopy of a blood vessel with large endothelial nuclei and intranuclear inclusions containing numerous 40-nm virions (inset, higher power). Lion Panthera leo Retracting lips to expose canine teeth in act of … However, further functional studies are required to evaluate such hypothesis. 1996. 7). View Complete Details. A circular furrow can also seen. Scanning electron micrograph of the anterior dorsal part of the tongue. Its apex was somewhat sharp, but was rounded at the end. Several articles have been published in the scientific literature regarding the structure of the dorsal surface of the tongue in tetrapods: reptiles (IWASAKI et al. Editorial responsibility: Lucélia Donatti, All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. 2004). [ Links ], FISH, H.S. The dorsal surface of the tongue of golden-headed lion tamarins had four types of papillae: fungiform, filiform, vallate (one medial and two lateral), and foliate. These slides were observed with a light‐field light microscope (BH‐2, Olympus, Japan). Anatomia, Histologia, Embryologia 29: 371-374. Therefore, further studies are required to support those findings. Magnification of the top surface of the fungiform papillae revealed some taste pore‐like pits. Scale bars = 500 μm. The structure and number of folds in foliate papillae are also in accordance with that established in the literature. The fungiform papillae were scattered among the filiform papillae, in a disperse manner, from the apex to the lateral vallate papillae. On the surface of these CTCs, small rod‐shaped protrusions of secondary cores were densely distributed. See more ideas about biology, microscopic, things under a microscope. At the posterior area of the tongue, five vallate papillae were arranged in a V shape. 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. Okajimas Folia Anatomica Japan 81: 39-43. Further studies are required to confirm the hypotheses on the ultrastructural aspects described for golden-headed lion tamarins. E-26/170-873/00, E-26/170.286/07 and A.P. Scale bar = 100 μm. The filiform papillae were shaped as a crown or as finger-like papillae, and were distributed throughout the tongue, including the margins, except for the posterior region. Acta Anatomica 123: 114-120. 2004). One of these characteristics is the locomotive system. Prepared Oral Histology Slide - Fungiform Papillae Tongue - Buy Microscope Slides at best price of Rs 800/piece from Med Aid India. Tongue mass; California sea lion (Zalophus californianus). 1921. 1993, IUCN 2007). This is just a domestic cat but even larger cats, like … 1967), and Saimiri (MATSUKAWA & OKADA 1994, IWASAKI et al. SEGATELLI. Carnivora, Fossil evidence for the origin of aquatic locomotion in archaeocete whales, The diving physiology of bottlenose dolphins (, A comparative morphological study on the tongues of Manatee and Dugong (Sirenia), A comparative morphological study on the tongue and the lingual papillae of some marine mammals—particularly of four species of Odontoceti and Zalophus. The CTCs were generally thick, and were engaged deeply with the epithelium. Acta Anatomica 130: 280-284. Log In (0 ... and the body, hind legs, and tail of a lion). ... Neville Spracklen Lion cecil. GUIDA; P.F.F. [ Links ], EMURA, S.; D. HAYAKAWA; H. CHEN & S. SHOUMURA. 1967). The lingual papillae distributed on … van Bénéden, 1864) The number of vallate papillae in primates seems to have been well established in the literature (SONTAG 1921). A Matter of Taste: Lineage-Specific Loss of Function of Taste Receptor Genes in Vertebrates. Using a macro lens on a Canon 1D, and some food coloring for visualization, we found that these grooming papillae had U-shaped cavities, as shown below.” ... Also, … ALMEIDA & T.M. We assumed that the morphological features of the lingual papillae of pinnipeds would have some specialized features originating from the adaptation to their unique dietary habit or living environment. Provide less mechanical stimuli than meat, as expected as the dog Canidae... Armadillo, Dasypus novemcinctus situated on top of the lingual dorsum microridges and well-marked. 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