Why do snakes desquamate? Brain Twister

Why do snakes desquamate? Brain Twister

Because the skin itches.

Why do snakes desquamate?

Snakes are covered with scales, but these scales are different from those of fish. The scales of snakes are composed of the cuticle on the outermost layer of the panel, so they are called horny scales. It is tough and impermeable, so it can't grow with the growth of the body. When a snake grows up, it needs to molt once, and the new scales after molting are bigger than the original ones. Snake scales can not only prevent water evaporation and mechanical damage, but also be the main tool for snakes to crawl. Snakes usually molt once every two or three months.

Why do snakes desquamate?

The scales of snakes are tough and can't grow with their bodies. So every 2~3 months, the snake will take off its skin. Every time you peel the skin, the snake's body grows bigger, and the new skin is tougher than the old one.

Why do snakes shed their skin?

Because its skin won't grow up, just like a shrimp shell. After a while, a new layer of big skin will grow inside, and then the old skin will be shed. Shrimp needs a period of time to grow a new big shell inside, and then shed the old shell to grow up.

Why do snakes desquamate? 120 point

The snake skin is tightly covered with snake scales. Many people confuse the external structure of snakes with that of earthworms.

Snake (4)

The real snakeskin feels dry and smooth. Most snakes grab the ground with their scales and move. The texture of snake scales can be smooth, bony or coarse and granular. A snake's eyelids have a transparent eye patch, which is also a kind of snake scales. The English name is "Brille".

Snakes have the habit of changing their skins, which is generally called "molting". In the molting habit of snakes, snakeskin has layers. The scales of snakes are closely connected, and the old and new snakeskin are closely connected. The process of snake molting is like taking off socks from the soles of feet.

Molting has many effects on snakes. First, the outermost damaged old skin can be replaced; Second, replacing snakeskin can avoid being hurt by parasites such as maggots. Many examples of creatures (such as insects) that can change skin have proved that molting is a means to make creatures bigger, but whether the molting habit of snakes has this effect is still controversial.

A molting snake

The snake's molting will be repeated every once in a while, and the snake will molt all its life. Before molting, the snake stops eating and hides in a safe place. When molting, the snake's skin will become dull and dry, and its eyes will become cloudy or blue. Moisture will be generated on the inside of the old skin, which will separate the old skin from the new skin. After a few days, the snake eyes became clear again, and the snake skin had been taken off. Old skin spreads from the mouth. Snakes try their best to get out of the old skin by constantly rubbing against foreign objects (mostly rough ground or stones). Most of the time, the old snakeskin falls off from beginning to end. The old skin that falls off is like faded socks, while the new skin under the old skin looks newer, bigger and more shiny.

Why do snakes desquamate!

Why do snakes shed their skin? Snakes are covered with scales, but these scales are different from those of fish. The scales of snakes are composed of the cuticle on the outermost layer of the panel, so they are called horny scales. It is tough and impervious, and can't grow with the growth of the body. When a snake grows up, it needs to molt once, and the new scales after molting are bigger than the original ones. Snake scales can not only prevent water evaporation and mechanical damage, but also be the main tool for snakes to crawl.

Snakes usually molt once every two or three months. When the snake molts, it should choose rough ground or twist around branches, and take off the old "coat" by friction and put on "new clothes". Therefore, snake slough can be seen in caves or branches.

There is also an answer similar to a brain teaser. Because the leather coat is old, it needs to be replaced!

What is the reason why the snake will desquamate? 10.

Snake molting is a physiological phenomenon. Snakes begin to shed their skin as soon as they are born, 2 13 times a year, as many as 10 times. More molting times means faster growth and development, and vice versa. The snake panel is divided into epidermis and dermis. Epidermis consists of four layers, which are mucus layer, living cell layer, stratum corneum A and stratum corneum B from inside to outside. The living layer and stratum corneum are called the middle layer, and molting is carried out on this layer. Before the snake molts, the cells in the mucous layer enter the process of rapid proliferation, forming a new epidermal structure under the middle layer, which also includes the living cell layer and two kinds of cuticles. During molting, protein hydrolase produced by eosinophils (migrating from dermal blood vessels at this time) may dissolve the old intermediate layer. Therefore, the old epidermal structure on the surface of the intermediate layer falls off and the newly formed epidermal structure under it is exposed. Young snakes grow rapidly and shed their skin more easily than slow-growing old snakes. Agkistrodon halys Island molts from late May to late August, with more molting in June and July. In snake island, snake slough was also found in July and June of 65438+ 10. Molting is consistent with the active feeding period of snakes, and molting is related to "feeding", which may be an inherent feature of snakes all their lives. Even if the individual does not grow, molting will occur as long as metabolism is still going on. The molting of snakes may be essential for their growth and consumption. Snakes are inactive until they molt. Generally, 6 "11day before molting, the eyes changed obviously, and the cornea was smoky blue, temporarily blind and black. After 3-5 days, eyes will see again, and peeling will begin after 3-6 days. When molting, the snake vigorously rubs the snout and upper and lower jaws, and when it rubs the cuticle of the lower jaw, it turns its head to rub the collar. After the cuticle of maxilla and mandible is wiped off, the cuticle of the head is easy to turn over and fall off, and snakes use obstacles such as branches, rocks and grass to speed up molting. After molting, the snake's stripes are clear, fresh and striking.