Sebōpeho sa sesang ka. Sebopeho sa Scyphozoa

Har'a invertebrates le metsing - baahi maoatleng, sehlopha sa tse phelang se bitsoang scyphoids. Ba na le mefuta e 'meli tsa likokoana-hloko - polypoid le medusoid tšoauoa ka kaheho ea bona le tsela ea bophelo. Sehlooho sena se tla hlahloba sebopeho sa sesang ka, hammoho le litšobotsi tsa bophelo ba hae.

Kakaretso litšobotsi tse Class scyphoids

likokoana tsena ke tsa coelenterates mofuta le ke feela lintho tse phelang metsing. Scyphomedusae, litšoantšo tse bontšitsoeng tlaase mona ho ba le tšepe kapa sekhele sebopeho ea 'mele,' me ke oona o - sebeletsang pepeneneng le gelatinous, e na le mesogloea. Liphoofolo tsohle tsa sehlopha sena ke taelo ea bobeli ke bareki le ho ba fepa ka zooplankton.

Bakeng sa lintho tse bonahalang ka radial (radial) setshwani tsa 'mele: likarolo anatomically tšoanang, hammoho le ea lisele le ho makala ho lokeng radially tswa longitudinal setsi sa selekane. Ke ntho ea tlhaho ho phoofolo, passively phaphametseng ka lenaneng la metsi, hammoho le mefuta e tseo tse sedentary (Anemones) kapa butle kenelle hammoho le substrate (starfish, leoatle urchins).

External sebopeho. tikoloho

Kaha scyphoids baemeli ba na lifeforms tse peli - sesang le polyps, sheba human anatomy bona, le nang le ba bang ba se tšoane. Qalong re hlahloba sebopeho Link ba sesang ba. Retelehela botlaaseng phoofolo tšepe fatše, re fumana molomo sehelane moeli le ke tentacles. Ho etsa mesebetsi e 'meli:' me le monya likarolo tse ling tsa lijo le tlosa mesaletsa undigested ka eona. phelang joalo ba bitsoa protostomes. Phoofolo e 'mele habeli lera na le ectoderm le endoderm. Mefuta e qetellang e ntse likahare ka (le gastric) cavity. Kahoo lebitso la: ka mofuta oa coelenterates.

Lekhalo pakeng tsa le dikarolo e ea 'mele e tletse ka sebeletsang pepeneneng boima jelly-joaloka - mesoglea. lisele tse Ectodermal sebetsa le tšehetso, dilenaneo le mosebetsi sireletsang. Phoofolo e na le mokotla letlalo-mesifa, ho fana ka mokhatlo oa lona ka metsing. Sebopeho anatomical ba sesang ke ena e rarahaneng, e le ecto- le endoderm ba le farologantswng la ka tse fapa-fapaneng le mefuta e seleng. Ntle le ho koahela le mesifa ka lera le ka ntle e feta lisele tse lipakeng, regenerative bueloang tšobotsi (tsa e leng e ka hlaphoheloa karolo senyehile ea 'mele oa phoofolo e' ngoe).

Ho thahasellisang ke sebōpeho sa neurocytes ka scyphoids. Ba naleli-bopehileng le dithulaganyo bona entwine le ectoderm le endoderm, eaba ba etsa lihlopha - likopano. The tsamaiso ea methapo ea mofuta ona e bitsoa diffuse.

Endoderm le mesebetsi ea eona

Lera ka hare diforomo ka scyphoids oona tsamaisong gastrovascular ho tswa ho mala lumen mahlaseli tloha metjha e tshilong ya dijo lined ka glandular (secreting lero tshilong ya dijo) le lisele tse phagocytic. dibopeho tsena ke lisele sehlooho tseo heletsa likaroloana lijo. tshilo ya dijo e boetse e akarelletsa ho letlalo le sebopeho mesifa a mokotla. Ba theha pseudopods lera, le thabisang le retractors manyolo likaroloana. Phagocytic lisele le pseudopods tshilo ya dijo e etsoa mefuta e 'meli: intracellular (joaloka protists) le cavitary tlholeho haholo hlophisitse liphoofolo tse multicellular.

lisele tse hlabang

Re tsoela pele ho ithuta sebōpeho sa Scyphozoa le nahana ka mochine ke eo liphoofolo ba sirelelitsoe, hammoho le tlhaselo ka lehlatsipa hlahelang. Ka scyphoids ho na le lebitso le leng hlophisitsoeng: Cnidarians sehlopha sa. E fellang kateng le hore ka ectodermal kolohantsoeng, di lokisetsa lisele tse khethehileng - bobatsi, kapa solang, a ntse a bitsoa knidotsitami. Ba leng teng ho pota molomo le ka tentacles liphoofolo. Tlas'a bohato la phetha molao ho susumetsa ba thread sebakeng lisele komiki bobatsi bo ka potlako tsoibitsoe 'me le phunyeletsa mele lehlatsipa e. Scyphoids chefo, tse fatang maikutlo knidotsel tse bolaeang invertebrates plankton le litlhapi larvae. Ho batho ba bakang le matšoao a urticaria le letlalo hyperthermia.

hlaphohetsoe likelellong

Hammoho le molekeng oa sesang tšepe, photo photo photo photo hlahiswa mona ka tlase, o ka bona tentacles shortened, e bitsoang lisele tse Moeli o - rhopalium. tse pedi makala kutlo fumanoa ho tsona: mahlong (mahlo a hore ho ikutloa joang ka leseli ho) le equilibrium (statocysts, ba nang le ponahalo ea majoe a lejoe la mokoetla). Ka thuso ea bona scyphoids ithuta ka e atamela sefefo: maqhubu a molumo a mefuta e fapaneng ya 8 ho tse 13 Hz halefisa statocysts le liphoofolo ka potlako tsoela tebileng ka leoatleng.

tsamaiso e khopo ho ikatisa le ho ikatisa

Tsoele pele ho ithuta sebōpeho sa e sesang (setšoantšong bontšitsoeng tlaase mona), e tla ameha ka tsamaiso scyphoids ikatisa. E emeloang ke gonads le, ya lipokothong ea thehoa gastric cavity le hlahang ho yona ectodermal. Ho tloha ka liphoofolo tsena tse dioecious, lehe le peō ea botona tsoa ka molomo le manyolo le hlaha ka metsi. Zygote qala sithabetsa le eaba ba etsa e le 'ngoe-lera kokoana-hloko - blastula,' me ho tloha ho - senakangoeli bitsoa planuly.

Ho sa phaphamala ka bolokolohi, e ka nako eo khomaretse substrate 'me e ba polyp (stsifistomu). E ka ba le lithunthung, empa e boetse ke khona ho strobilation. Eaba ba etsa spongebob ea mocha sesang bitsoa esters. Di khomaretse ho theko e bohareng. Sebōpeho sa sesang ka, detached ho tloha strobe, ke hona: ke o na le e radial le kanaleng tsamaiso, molomo, tentacles, rhopalium le qaleho ea litsoelesa ba ho kopanela liphate.

Kahoo, mohaho fapane le sesang diplobiont stsifistomy motho ka mong eo e na le sebopeho conical le boholo ba 1-3 limilimithara e khomaretse holim'a metsi ka tsela lehlaka le. Molomo oa pota-potiloe moqhaka oa tentacles, le gastric cavity arotsoe ka lipokothong 4.

Mokhoa oa ho tsamaisa scyphoids

Medusa ea nang le bokhoni jete se koala. O ile a ho panya ha leihlo sutumetsa ka karolo e itseng ea metsi a 'me le re susumelletsa pele. Sekhele a phoofolo a ka nako e tšoanang fokotswa ho isa linakong tse 100-140 ka motsotso. Ho ithuta sebōpeho sa Scyphozoa, ho etsa mohlala, kapa Rhizostoma Aurelia, re hlokometse dibopeho joalo anatomical joaloka karaoke tren letlalo-mesifa. E sebakeng ectoderm e, lisele tse loketseng bakeng sa efferent neural bohale lona faeba masale le nodes. Nyakallo e fetisoa dibopeho letlalo-mesifa, e le hore sekhele e a petetswa, ka nako eo pefo, pushing phoofolo pele.

Features ya scyphoids ekolotsi

Tsena baemeli ba sehlopha sa ba coelenterates tloaelehile maoatle mofuthu, 'me ka a batang metsi Arctic. Aurelia - Scyphozoa, 'mele oa sebopeho eo re neng re ithuta, lulang le Letšo, Azov. Ho na le ho atile le moemeli tse ling tsa sehlopha sena - Rhizostoma (rizostoma). Milky-tšoeu hae sekhele le metshetshe pherese kapa putsoa le protuberances lobes molomo tšoana le metso. Ba tlileng phomolong ka bahahlauli Crimea baa hlokomela ea mofuta ona e le ho leka ho ba ho e hlatsoa ka baemeli ba hae ba tsoa lisele tse ka solang phoofolo ho ka etsa hore e matla "chesa" ea 'mele. Ropilema, hammoho le Aurelia, lulang le Leoatle la Japane. Mala rhopalium hae pinki kapa bosehla, 'me ba na le sekame tse ngata monoana-joaloka. Mesoglea sekhele la dimela bobeli sebelisoa ka kichineng ea Chaena le Japane bitsoa "kristale nama."

Tsianeya - moahi ea a batang metsi Arctic, e le sesang kholo ka ho fetisisa. Bolelele tentacles lona fihla 30-35 limithara, 'me sekhele bophara - 2-3.5 limithara Lion o Mane kapa tsianeya hairy na subspecies pedi :. Japanese le putsoa. The mahloko ea lisele solang teng ka metshetshe tsa sekhele 'me ka tentacles, ke kotsi haholo ho batho.

Re se re ithutile sebopeho sa Scyphozoa, 'me o ile a tloaelana le peculiarities ea bophelo ba bona.