Ultrastructure and lipid chemistry of specialized epidermal structure of Indian porcupines and hedgehog

Poddar-Sarkar, Mousumi; Raha, Paramaa; Bhar, R.; Chakraborty, Asish; Brahmachary, R. L.

doi:10.1111/j.1463-6395.2010.00452.x

Cited by 8 publications

(5 citation statements)

References 24 publications

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“…The tongue of the domestic cat, the subject of the current study, appeared as an elongated organ located at the lower jaw. On the ventral surface of the tongue, there is an elongated lingual membranous fold that makes the tongue touch the floor of the oral cavity and thus resembles most mammals [7], [8]. The results found that the tongue of the domestic cat is composed of three regions: the rounded apex, a broad lingual body, and a lingual root; this result is in agreement with previous studies [9], [10].…”

Section: Discussionsupporting

confidence: 91%

Morphological Features of Tongue in Domestic Cat Felis Catus

Khalil Ibrahim,

Hussein,

Mutlak

2024

IHJPAS

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The current study aimed to identify the morphological description of the domestic cat tongue; thus for this purpose, five domestic cats of both sexes were collected from the local markets of Baghdad governorate, and then the animals were anesthetized and the tongue was removed from them. Fresh tongue samples were fixed using formalin (10%), and the preserved samples were dyed with methyl blue. The results showed that the tongue is an elongated organ divided into three regions: a somewhat flat rounded apex, this region contains a central depression called the middle groove. The second region is the lingual body region represents the largest region of the tongue, whereas its last region, called the root which has a lingual prominence on its dorsal surface. In addition, the dorsal surface of the tongue is covered by five types of lingual papillae, the most common of which are filiform papillae that spread over the entire dorsal surface of the tongue, while the presence of cylindrical papillae is limited to a specific area of the lingual body close to the apex. Moreover, the fungiform papillae spread between the filiform papillae and gradually increase in size towards the lingual root, while the presence of circumvallate papillae is limited to the lingual root and its number is 5 papillae. Finally, the foliate papillae are located on both sides of the lingual root, while the ventral surface of tongue is smooth without lingual papillae. In conclusion, the results of this study showed that the distribution pattern of the lingual papillae in the domestic cat differs from the rest of the other mammalians.

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Section: Discussionsupporting

confidence: 91%

Morphological Features of Tongue in Domestic Cat Felis Catus

Khalil Ibrahim,

Hussein,

Mutlak

2024

IHJPAS

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“…Cortical layers are thin in spikes (Poddar‐Sarkar et al . ), stiletto‐like spines (Fig. A) and bristle‐like spines (Fig.…”

Section: Resultsmentioning

confidence: 99%

“…; Poddar‐Sarkar et al . , ; Church et al . ), the scale orientation and scale margin were unique in appearance in this genus.…”

Section: Discussionmentioning

confidence: 99%

Ultrastructure of trichome of old world porcupine of Indian subcontinent

Raha¹,

Ghosh

Bhar

et al. 2013

Acta Zoologica

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Raha, P., Ghosh, B., Bhar, R., Das, N. and Poddar-Sarkar, M. 2015. Ultrastructure of trichome of old world porcupine of Indian subcontinent. -Acta Zoologica (Stockholm) 96: 140-146.The present investigation is based on ultrastructural details of different types of quills of two species of old world porcupine (Hystrix indica and Hystrix brachyura) of Indian subcontinent using environmental scanning electron microscopy (ESEM). In H. indica, four types of quills have been detectedbristlelike spines, stilettolike spines, spikes and mane. The quills of H. brachyura are categorized into four typesbroad, slender, hollow tail quill and quills of the anogenital region. The ESEM images of surface characteristic of different types of quills of both the species except the hollow tail quill showed usual scaly features without having any differences. The cross-sectional images of quills of H. indica and H. brachyura show a narrow cortex and a broad medullary region with a network of anastomosing channels. The cortical layer is comparatively thicker in mane hairs of H. indica and in slender quills of H. brachyura. With extensive exploration of the anatomical structures of the quills by ESEM from both the species of Hystrix, we could not find 'osmetrichia' in any forms of quill. In contrast, we hypothesized that the channels and network of medulla are serving the purpose for transportation of pheromonal signalling molecules in old world porcupine.

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“…It is smaller and quicker than the West European hedgehog, weighing just 250–400 g and when a predator approaches, it either balls up or attempts to evade them using its relatively short needles (Qumsiyeh, 1996). Although it primarily eats insects, this hedgehog can also consume small animals and plants (Poddar‐Sarkar et al., 2011). Many macro‐anatomical studies on the skeletons of small wild mammals, including mole rats (Ozkan, 2007), wombats (Saber, 2013), rabbits (Ajayi et al., 2012), porcupines (Yilmaz et al., 1998), African giant rats (Olude et al., 2010) and few hedgehog subspecies such as giant hedgehogs (Villier & Carnevale, 2013) and Indian hedgehogs (Kumar et al., 2020), have been reported.…”

Section: Introductionmentioning

confidence: 99%

Macro‐anatomical investigations on the skeleton of the Egyptian hedgehog (Hemiechinus auratus aegyptius)

Hassan,

Basha

2024

Anat Histol Embryol

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The skeletal anatomy of wild animals plays a major role in their adaptation to their habitats. Information regarding the skeletal architecture of the Egyptian long‐eared hedgehog (Hemiechinus auratus aegyptius), a terrestrial and nocturnal insectivorous mammal, was lacking. Current work described the detailed bone formation of this species' skeleton grossly and morphometrically. Skeletons of five adults, apparently healthy hedgehogs of both sexes, aged 10 ± 2 months, were obtained. Preparation of the bones was accomplished by using a hot water maceration procedure. The skull was elongated. The external sagittal crest and temporal lines were unclear. The mental foramen was ventral to P2. The angular process of the mandible was large. The vertebral formula was C7, T13, L6, S3, Ca 13–15. The transverse foramen was absent in the seventh cervical vertebra. The sternum was formed of five sternal segments. There was a supratrochlear foramen on the distal part of the humerus diaphysis, connecting the radial and the olecranon fossae. The radius and ulna were fused by connective tissue. The carpals had three bones in the proximal row and four bones in the distal row. There were five metacarpals with five digits. The acetabulum was circular and had deep acetabular fossa. The foramen obturatum was ovoid. The pelvic symphysis was confined only to the ischium. The greater trochanter of the femur was lower than the level of the femoral head. The trochanteric fossa was deep and oval. Tibia and fibula fused distally. Two tarsals were in the proximal row and four in the distal row. There were five metatarsals with five digits. These findings provide the anatomical basis for understanding the adaptation mechanisms of this hedgehog species to their feeding habits and habitats and aim to help veterinarians, taxonomists, and wildlife biologists' in future biomedical and comparative skeletal anatomical studies.

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Ultrastructure and lipid chemistry of specialized epidermal structure of Indian porcupines and hedgehog

Cited by 8 publications

References 24 publications

Morphological Features of Tongue in Domestic Cat Felis Catus

Morphological Features of Tongue in Domestic Cat Felis Catus

Ultrastructure of trichome of old world porcupine of Indian subcontinent

Macro‐anatomical investigations on the skeleton of the Egyptian hedgehog (Hemiechinus auratus aegyptius)

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