Our Mission is to conserve snakes in their natural habitat and reduce human mortality due to snake bites through research, education & outreach activities The five common poisonous snakes found in Kerala are Indian Cobra, King Cobra, Russel’s Viper, Saw-scaled viper and Krait. [1] Russell had written of the species in his 1796 work An account of Indian serpents, collected on the coast of Coromandel, confirming its highly venomous nature by experimenting on chickens and dogs.

[20][21] The identity of this sensor is not certain, but the nerve endings in the supranasal sac of these snakes resemble those found in other heat-sensitive organs. The nostrils are large, each in the middle of a large, single nasal scale. D. russelii is not restricted to any particular habitat, but does tend to avoid dense forests. Malayalam : Moorkhan.

The eye is separated from the supralabials by three or four rows of suboculars. The tail is short — about 14% of the total length — with the paired subcaudals numbering 41–68. [2], The species is named after Patrick Russell (1726–1805),[3] a Scottish herpetologist who first described many of India's snakes, and the name of the genus is from the Hindi word meaning "that lies hid", or "the lurker". Venom toxicity and bite symptoms in humans vary within different populations and over time. The officer said Sooraj purchased the cobra on April 24 and kept it at his house. The dRVVT test is more sensitive than the aPTT test for the detection of lupus anticoagulant (an autoimmune disorder), because it is not influenced by deficiencies in clotting factors VIII, IX or XI. [14], D. russelii can grow to a maximum length (body + tail) of 166 cm (5.5 ft) and averages about 120 cm (4 ft) on mainland Asian populations. The snake is mostly found in open, grassy or bushy areas, but may also be found in second growth forests (scrub jungles), on forested plantations and farmland. Necrosis is usually superficial and limited to the muscles near the bite, but may be severe in extreme cases. These snakes are having a triangular head and have rounded signs on the body. Locally, it may persist depending on the level of tissue damage. D. russelii does not associate as closely with human habitation as Naja and Bungarus species (cobras and kraits). Apart from being a member of the big four snakes in India, Daboia is also one of the genera responsible for causing the most snakebite incidents and deaths among all venomous snakes on account of many factors, such as their wide distribution, generally aggressive demeanor, and frequent occurrence in highly populated areas. A number of other subspecies may be encountered in literature,[6] including: The correct spelling of the species, D. russelii, has been, and still is, a matter of debate. The venom is diluted to give a clotting time of 23 to 27 seconds and the phospholipid is reduced to make the test extremely sensitive to phospholipid. It is prevalent in Myanmar. As they grow and become adults, they begin to specialize in rodents. Others, such as Zhao and Adler (1993) favor russellii.[19]. ഉപവാക്യ ക്രിയ (Phrasal verb) The venter is white, whitish, yellowish, or pinkish, often with an irregular scattering of dark spots.

[16] Ditmars (1937) reported the following dimensions for a "fair-sized adult specimen":[17], The head is flattened, triangular, and distinct from the neck. [6], When threatened, they form a series of S-loops, raise the first third of the body, and produce a hiss that is supposedly louder than that of any other snake. പ്രത്യയം (Suffix) Scientific Name: Naja naja. [6], The crown of the head is covered with irregular, strongly fragmented scales. Groombridge B (1986). Malayalam meaning and translation of the word "snake" [27] [26] For most humans, a lethal dose is about 40–70 mg. [5] The bite may be a snap, or they may hang on for many seconds.

[18], The body is stout, the cross-section of which is rounded to circular. More Malayalam words for snake. Juveniles, though, are generally more nervous. [6][17], The quantity of venom produced by individual specimens of D. russelii is considerable.

More specifically, this would be the Coromandel Coast, by inference of Russell (1796).[19]. ക്രിയ (Verb) Juveniles are crepuscular, feeding on lizards and foraging actively. Russell's viper (Daboia russelii) is a species of venomous snake in the family Viperidae native to the Indian subcontinent. Malayalam Translation. (2007)[33] provided evidence that the eastern subspecies of D. russelii should be considered a separate species, Daboia siamensis.

[16] Mating generally occurs early in the year, although pregnant females may be found at any time. On May 6 evening, Sooraj went to Uthra’s house with the cobra hidden in a bottle. It was described in 1797 by George Shaw and Frederick Polydore Nodder, and named in honour of Patrick Russell who wrote of it in his 1796 work An account of Indian serpents, collected on the coast of Coromandel. [18], A study in The Lancet showed that out of a sample of people bitten by D. russelii who survived, 29% of them suffered severe damage to their pituitary glands, which later resulted in hypopituitarism.

These snakes are having slow movements but are very aggressive. Blistering occurs at the site of the bite, developing along the affected limb in severe cases. Young are produced from May to November, but mostly in June and July.
സംജ്ഞാനാമം (Proper noun)

Shaw & Nodder (1797), in their account of the species Coluber russelii, named it after Dr. Patrick Russell, but apparently misspelled his name, using only one "L" instead of two. [6] These snakes are strong and may react violently to being picked up. There is a group of snakes that are known as Pit Vipers, Not only are these snakes venomous they also have a very cool heat sensing system.

Of the two pairs of chin shields, the front pair is notably enlarged. പാമ്പ് pāmp. [4] In Odia and Bengali this snake is called chandra-boda and chandroborha respectively since it carries lenticular or more precisely lunar marks all over its body. ഭാഷാശൈലി (Idiom)

Reported venom yields for adult specimens range from 130–250 mg to 150–250 mg to 21–268 mg. For 13 juveniles with an average total length of 79 cm (31 in), the average venom yield was 8–79 mg (mean 45 mg).[6].

The snake has 10–12 supralabials, the fourth and fifth of which are significantly larger. The coagulant in the venom directly activates factor X, which turns prothrombin into thrombin in the presence of factor V and phospholipid. രൂപം ഉപവാക്യം (Phrase) The gestation period is more than six months. Reid HA (1968). The two maxillary bones support at least two and at the most five or six pairs of fangs at a time: the first are active and the rest replacements. These snakes are having toxic venom and can kill number of people. [18], Some herpetologists believe, because D. russelii is so successful as a species and has such a fearful reputation within its natural environment, another snake has come to mimic its appearance. In Manipuri or Meitei this snake is called Lindu and a folk story Kangleipak is associated with it. സര്‍വ്വനാമം (Pronoun)

[6] The fangs attain a length of 16.5 mm (0.65 in) in the average specimen. [6] Kidney failure (renal failure) also occurs in approximately 25-30 percent of untreated bites. Envenomation symptoms begin with pain at the site of the bite, immediately followed by swelling of the affected extremity. "Handbook of the snakes of India, Ceylon, Burma, Bangladesh and Pakistan". The supraocular scales are narrow, single, and separated by six to nine scales across the head. Using morphological and mitochondrial DNA data, Thorpe et al. [16] In India, is abundant in Punjab, very common along the West Coast and its hills, in southern India especially in the state of Karnataka and north to Bengal. Here's a list of translations. Venom is haemotoxic (Affects the blood vascular system. The blood pressure drops, and the heart rate falls. Often, local swelling peaks within 48–72 hours, involving both the affected limb and the trunk. It was described in 1797 by George Shaw and Frederick Polydore Nodder, and named in honour of Patrick Russell who wrote of it in his 1796 work An account of Indian serpents, collected on the coast of Coromandel. (1999) are among those who favor the original misspelling, citing Article 32c (ii) of the International Code of Zoological Nomenclature. It is a prolific breeder. [6], Dorsally, the color pattern consists of a deep yellow, tan, or brown ground color, with three series of dark brown spots that run the length of the body. Each of these spots has a black ring around it, the outer border of which is intensified with a rim of white or yellow. Russell (1727–1805) was the author of An Account of Indian Serpents (1796) and A Continuation of an Account of Indian Serpents (1801). [18] The reported maximum is 75[23] in a single litter. വ്യാക്ഷേപകം (Interjection)

[6], D. russelii is found in India, Sri Lanka, Bangladesh, Nepal, Myanmar, Thailand, Pakistan, Cambodia, Tibet, China (Guangxi, Guangdong), Taiwan and Indonesia (Endeh, Flores, east Java, Komodo, and Lomblen Islands).

This Viper is usually found in grass areas. Discoloration may occur throughout the swollen area as red blood cells and plasma leak into muscle tissue. [28][29][30], Because this venom is so effective at inducing thrombosis, it has been incorporated into an in vitro diagnostic test for blood clotting that is widely used in hospital laboratories.
"Symptomatology, pathology, and treatment of land snake bite in India and southeast Asia".

CS1 maint: multiple names: authors list (, International Code of Zoological Nomenclature, "Thermoregulation is the pits: use of thermal radiation for retreat site selection by rattlesnakes", "Heat in evolution's kitchen: evolutionary perspectives on the functions and origin of the facial pit of pitvipers (Viperidae: Crotalinae)", 10.1002/(SICI)1097-0185(199806)251:2<221::AID-AR10>3.0.CO;2-Q, "Hypopituitarism following envenoming by Russell's Vipers (, http://www.sundaytimes.lk/161009/news/trials-to-start-for-home-grown-anti-venom-211742.html, "The use of the dilute Russell viper venom time for the diagnosis of lupus anticoagulants", https://en.wikipedia.org/w/index.php?title=Russell%27s_viper&oldid=984442176, Articles with unsourced statements from May 2020, Creative Commons Attribution-ShareAlike License. [6], This species is often found in highly urbanized areas and settlements in the countryside, the attraction being the rodents commensal with man.

പാന്വ് noun: pānv serpent: Find more words! The minimum total length for a gravid female is about 100 cm (39 in).


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