The nerve tube is ectoderm. The meaning of the word ectoderm. Put the implantation of the word ectoderma in literature

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The meaning of the word ectoderm

ectoderm in the crossword dictionary

Dictionary of medical terms

ectoderma (ectoderma, LNE; ecto- + Greek derma shkira)

zovnishn_y embryonic leaf of the trisharovy embryo; Childhood E. є Epidermis, the nervous system and in the meaning of the world of organism.

Encyclopedic Dictionary, 1998

ectoderm

Ectoderm (as ecto ... and dermis)

    zovnіshnіy embryonic leaf of bagatoklіtinnіkh creatures. With the ectoderm, the schoolhouse is established, nervous system, Organ sensitive, anterior and posterior intestines. Por. Entoderm, Mesoderm.

    Zovn_shn_y ball of stinka thyla in intestinal emptying.

ectoderm

    E., abo the called germinal leaf, the called ball of the germ of the rich organisms at the stage of gastrula. In the process of development of the embryo, the curvature, the nervous system, the organisms, the anterior and posterior forms of the herbal system, the chickweed, as well as the ectomesenchyme are established. In the secondary-mouthed creatures, all the old E. are established as a result of the induction injections on some of the chordomesoderms, entoderms and the old ones.

    The name of the wall of intestine-empty creatures, which can be stored in one ball of cells: epithelial, epithelial-myazovyh, intermediate (interstitial), sensitive (nervous), as well as miserable.

vіkіpedіya

ectoderm

ectoderm- the last germinal leaf of the embryo at the early stages of development. Also, the middle germinal leaf is the mesoderm and the most recent form of the ectoderm germinal leaf is the entoderm. In the embryo of wine, it pretends to be the first and form from the last ball of germinal cells. The ectoderm is shaped like the nervous system (in the spinal cord: the spinal cord, peripheral nerves and cerebrum), the dentition and epidermis. Likewise, I have approved the organization of the senses of the anterior and posterior forms of the herbal system.

In the ridge ectoderm, it is composed of three parts: from the last ectoderm, the neural crest and the neural tube. The nerve crest and the nerve tube are also known as neuroectoderm. Get ready for the stage of the tour.

Apply the implantation of the word ectoderm in literature.

Beatrice-Joanna couldn’t even think about yak іnshu goiters, except for her own Borg in front of a cim ’one inch of protest, but the importance of thirty three small faces, the clerks of which were continuously dwindling and multiplying - ectoderm, Mesoderm, entodermi - protesting, protesting and protesting again.

In cich folding organisms, they develop two shells - endoderm and ectoderm, It is not enough to see one kind of one thing, one of them is used to illuminate the herbal bear, іnsha є callous shell tila.

Shkіrniy relєf is formed on the 9-12th day of internal uterine development with ectoderm- the very same membranous leaf that develops the central nervous system.

ectoderm- the name of the embryonic leaf, which is the origin of the small intestine, the nervous system, the organ of sensitivity, the anterior and posterior parts of the intestine.

Ectoderm є partly be-like creature bagatoclatinous organism... Only some of them have a structure that will be deprived of it in the period, and among others - by stretching their life. Well also ectoderm?

See the germinal leaves

From the hour to ontogeny, the egg cells of bagatoraz are delayed, and after an hour, the spherical clit is set up. In the process of differentiation, the shape of the decal balls is formed, in which the fabrics, the organization of the systems, are formed. Ectoderm is a central germinal leaf. In the course of the development of the zygote, it forms the first one from the inner leaf of the embryo is called entoderm. Dichal and grass systems are developed every year. From the middle embryonic leaf - mesoderm - organisms are established, as they tie together the whole organism. Tse mu'jazi and ligaments, internal skeleton, statute, blood-bearing and visible system.

lost ectoderm

Ectoderm is a germinal ball, from a cell that is established around the body of the nervous system. Yogo formvannya vidbuvaetsya at the stage of the tour. The spinal nerve system is characterized by a high level of development. Vaughn be stored from the headquarters spinal cord And also around the fibers, which go from them to all structures of the body. Organize sensitive and sensory systems as well as old ectoderms. Oskilki develop with a whole germinal leaf from the zovnishnogo ball klin, vin form, curl. First for all the chain of the epithelial tissue on the school and herbal system.

ectoderma gidri

In intestinal-emptying twins, the ectoderm is a whole ball of tila, which can be captured by a stretch of life. I can see it on the butt of the freshwater hydri. Tse two balls of a creature, which was approved by ecto- and entoderms. Between them, the crackling plate of the multi-language speech is rosted. Klitini ectoderm of business development for budget and viconuity functions. For the first time in the course of the evolution, such special structures are used by

Before the warehouse of the ectoderm, there are shkіrno-m'yazov cells, which are built until fast. The managers їm gіdra are oversupplied, like an acrobat, turning over from podoshvi to tentacles. When infused on the nerves of the clitine, as it can also grow in the last ball, the creature clutches. This is how reflexive activity manifests itself. In the calling ball, industrial cells can also be expanded, which can be transformed into whether it is a type. tse viznacha high r_ven regeneration of freshwater hydri. You can bring your own name to life from a mushy camp.

But also pathetic klitini

Ectoderm is a centralized sphere, which serves as a supernatural zakist and as a polyurethane. Qiu function vikonuyut The stinks are stored in a capsule with a twisted thread. If the victim is flooded, get away with a sensitive hair. As a result of the miserable, the thread is unscrewed and the strength to bite into it. At the same time, they introduce otruyni speeches. The victim is paralyzed by the aid of the tentacles to appear in the intestinal emptying, deceiving the digestion. Bagato is not safe for people. A series of wretched clientele vicliks are strong opics, the destruction of the robotic heart and the mental system, and sometimes it ends with deadly vapors.

Otzhe, ectoderm is a zovnіshnіm embryonic leaf, which in the process of crushing in ridge creatures is formed around the curvature of the organ of the nervous system. In intestinal tract ectoderm, a number of specialty cells are shaped: shkirno-m'yazov, industrial, nerves and miserables.

Representatives of the Type Kishkovoporozhninni - a whole lot of foodstuffs, which may exchange (radial) symmetry.

Їх тіло store s dvoh sharіv klіtin- external (ectoderm) and internal (entoderm), between the same mesogley.

Basically, intestines are hijacks. Stink empty gut, De peretravlyutsya їzha. Porozhnina to visit navkolishnіm middle across mouth... The other openings are not (non-etched surpluses are called through the mouth).

Scheme of the budovi of the intestines (on the butt of the freshwater)

Beasts I respect!

ectoderm approved epithelially muscular, miserable, nervous, state-of-the-art and industrial (unspecialized) clitines.

entoderm presented herbaceous and sallow clitines.

function klin

1. Epithelial-myazov (shkirno-myazov) klitini vikonayut I'll cover the function, And also may cause growths, which will prevent intestinal debris.

2. It’s a pity for a cellini to conceal a capsule, filled with a graft, like a paralysis of a victim (neuroparalytic activity). The capsule is filled pitiful thread... On the surface of the patchwork sensitive hair... When a hair of wretched hair is dictated, a thread wakes up and goes into the body of the victim.

Scheme of the budovi stinging clitini

3. The nerves of the clitin may fade into the growths, which at once will fix the nerves of the border. Such a nervous system is called diffuse.

Nervous system and hydration

4. Statements of the clitini will provide the status of the reproduction of intestines.

5. Saline cells produce enzymes, which will over-trap food into empty intestines (tse internal pickling).

6. Herb-m'yazov klitini mayut jgutics and pseudopods. Djguts move water with particles of їzhі, and pseudopods start to gasp її. Further etching go to grass vacuoles(tse internal etching).

7. Non-specialized (industrial) cells are built to be transformed into any type of cells and will prevent the regeneration (renewal of other parts) of intestines.

Knidotsil- a sensitive hair of stinging worms of intestines.

ferments- biologically active speeches, which accelerate the processes that take place in the cells. Ferment herbs accelerate the pickling process.

breeding

Reproduction of intestinal discharges stateless and stateless paths.

Bezstateve razmnazhennya vіdbuvaєtsya brunkuvannyam.

A new organism develops in the larval stage in the case of a new state of reproduction from the delayed ovule. Having attached itself to the bottom, the larva will transform into polyp. Polipi to establish colonies, or to see live jellyfish. Here we can talk about cherguvannya generations: a fixed polyp and a free-living jellyfish.

the value of intestinal emptying

The representatives of the intestine - the coral polypies form the reefs, and the few islands - the atols - which represent the special ecosystems.

ectoderm [ectoderma(LNE); walnut ektos pose, call + derma shkira] - the callous embryonic leaf of the embryo, which is established in the process of gastrulation.

In the embryos of all large-scale twins, the primordial ectoderma, or epiblast, vinikє is in the first phase of gastrulation (div.). Among other ridges, including humans, the power of the ectoderm, or of the second ectoderm, is an old part of the epiblast, because it is not necessary to call me to see mesoderm and other food in the future.

The second ectoderm, even in the course of gastrulation, grows into three parts: neuroectoderm (or neutral primordium), presented by the nerve plate, shkirn ectoderm and into the non-embryonic ectoderm.

Nerve plate, bend over, I will fix the nerve groove. The edges of the groin (nerve rollers) wobble, molding the nerve tube, the yak є the rudiment of the spinal cord and the brain. When the neural tube is locked, the names of the nerve crest are established, which from the sides of the neural tube forms two ganglionic plates. The tissues of the neural crest are sensitive and autonomic (sympathetic) neurons, all peripheral neuroglia, chromatophores (pigment cells), chromaffin tissues of the supra-nirkoval valleys. Z cline of the nerve crest of the vine і part of the mesenchyme (div.) - ectomesenchyma. Before the warehouse of neuroectoderma, there are also small isolated points of the neural rudiment, which can be localized in the skin of the head (the so-called placodi). Before them, the rudiments of sensitive universities of the cranial (cranial, T.) nerves, including the statoacoustic, or "hearing", placode - the rudiment of the internal labyrinth of internal wisdom, connected with it, of the plaques in front of the door-street - dilyanka ectoderm, I will establish the rudiment of a kryshtalik.

Shkirna ectoderma є the rudiment of the epithelium of the shkiri (epidermisu) and the older ones - oily and fatty hairs, hairy, nigtiv, and among the brewers of the twins, it also kigtiv, accumulates, horns, in the birds. In the area of ​​oral and anal bays, the embryo of the ectoderm invades right up to the anterior and posterior ends of the middle intestine. The process of invagination is penetrated into the emptying of the middle intestine, filling the anterior and posterior intestines. Dissection of the anterior intestine, which is the result of the material of the ectoderm and the prechordal plate, and the ear of the development of the epithelium of the mouth, larynx, trachea, bronchial tubes, thymus, thyroid, parathyroid lobes, anterior From the ectodermal vistilannya of the hind intestine, the epithelium of the cuticle, the cuticle, part of the rectum develop.

Pozazarodkova ectoderm, for the continued advancement of shkіrnoy ectoderm, enter to the warehouse of timothy embryonic organs, including embryonic membranes, and established in the embryos of the higher ridge divine membranes, serpentine membranes, In savts and people, a part of the extra-embryonic ectoderm is already on the cob of crushed broiled egg to be found in the viglyad of trophoblast (div.).

Bibliogr.: Klishe A. A. Histogenesis and regeneration of tissue, L., 1984; Knorre A.G. embryonic histogenesis, L., 1971; Stanek I. Embrology of people, prov. from Slovak., Bratislava, 1977.

A. G. Knorre, A. A. Klipiv.

ectoderm

1) the callous germinal leaf in the bogatoklitinny creatures. In the process of ontogenesis, the nervous system and organisms, sensitive, spinal and sympathetic ganglia, visceral skeleton, pigment cells, part of the older cells of the shkiri, shake those old hairs (shkiri) Anterior and posterior parts of the herbaceous system, called the chaffinch;

2) the lasting ball of the stem in the intestine.

Encyclopedia of Biology. 2012

Marvel at the tlumachennya, synonyms, the meaning of the word і і і

  • ectoderm in Medicinal terms:
    (Ectoderma, lne; ecto- + Greek. Derma shkіra) znіshnіy embryonic leaf of the trisharovy embryo; Lonely E. є epidermis, the nervous system and in ...
  • ectoderm from the Great Encyclopedic Dictionary:
    (From this ... and the dermis). 1) the most recent germinal leaf of the bogatoclatinous creatures. With the ectoderm, there is a small epithelium, nervous system, organs of senses, anterior ...
  • ectoderm
    (From this ... and the dermis), 1) E., or the last germ leaf, the last ball of the germ of large organisms at the stage of gastruli ...
  • ectoderm
    іnakhe ectoblast, іnakhe epiblast - the call ball of the embryo Metazoa, as well as the call ball of the wall of the lower Metazoa (div ...
  • ectoderm
    [Ecto. + Gretske shkіra] 1) the calling ball of the germ of large organisms at the early stages of its development (called the germinal leaf); h ...
  • ectoderm in the Encyclopedic Dictionary:
    , And, well. 1. Zovn_shn_y ball of the germ of many kinds of creatures and people at the early stages of their development; against. entodermi. 2. The name ...
  • ectoderm from the Great Russian encyclopedic dictionary:
    Ectoderm (from ecto ... and dermis), called the germinal leaf of the bagatoclatinnyh women. From E. the nasal epithelium, the nerve is established. system, organiz ...
  • ectoderm in the Encyclopedia of Brockhaus and Efron:
    іnakse ektoblast, іnakse epіblast? the last layer of the embryo of Metazoa, as well as the very last ball of the wall of the lower Metazoa (div. Embr ...
  • ectoderm in the Common Accentuated Paradigm by Zaliznyak:
    ectode "rma, ectode" rmi, ectode "rmi, ectode" rm, ectode "rme, ectode" rmam, ectode "rma, ectode" rmi, ectode "rmoy, ectode" rmoyu, ectode "rmami, .. ectode" ...
  • ectoderm in the New Dictionary of Inozemny Slovens:
    (Ekto ... gr. Derma shkіra) 1) the calling ball of the germ of the germinal creatures and people at the early stages of their development (called the germinal leaf); ...
  • ectoderm in the Dictionary of Inozemny Viraziv:
    [Act ... + gr. derma shkіra] 1. the callous ball of the germ of the bogatoklіtiny creatures and people at the early stages of their development (the zvnіshnіy embryo ...
  • ectoderm in the vocabulary of Sinonimiv Russian movi:
    leaf, ball, exoderma, ectoblast, ...
  • ectoderm in the General Spelling Dictionary of the Russian Language:
    ectoderm, ...
  • ectoderm in the Spelling Dictionary:
    ectoderma, ...
  • ectoderm in Suchasnoye tlumachy vocabulary, Great Radianske Encyclopedia:
    (From this ... and the dermis), .. 1) the most recent germinal leaf of the bogatoclatinous creatures. With the ectoderm, there is a small epithelium, nervous system, organs of senses, anterior ...
  • Neurulation at Great Radianskoi encyclopedia, Great Radianske Encyclopedia:
    the establishment of the neural plate and mingling into the neural tube in the process of embryonic development of chordal creatures and people. The embryo at the stage ...
  • Embryonic GOODS ABO PLASTI
  • EXPERIMENTAL EMBRIOLOGY v encyclopedic vocabulary Brockhaus and Euphron.
  • cranial nerves in the Encyclopedic Dictionary of Brockhaus and Euphron:
    Nerves that enter the brain, for which the stench is also called head, and enter from the skull through a special opening. Among the whiskers ...
  • CHROBAKES of the zirchast in the Encyclopedic Dictionary of Brockhaus and Euphron.