Momo o kutukutu flat, rawa te hanganga waho, me te ā

Momo Flatworms ngā o ngā puka kore-Parasitic me pirinoa. I roto i tenei free-ora e ngā kaiao i roto i tetahi piha, me te hunga e ora ana i te utu o ētahi atu rauropi, - ono. māngai Class ciliated (Planaria turbellarians) ora i roto i te tinana o te wai, he maha, he konihi.

ora flatworms pirinoa i roto i te tinana o te kararehe, me te tangata. raraunga E pai te taunga kaiao ki enei tikanga o te ora, e ko. ki. i te Kahu, e kua piri ki nga taiepa o nga whekau o te ope, me te tinana Wehewehe ki te maha tonu-te whakanui ake o wāhanga. E āhuatanga ratou i te ngaro o te pūnaha kūnatu (anake hoki te piha whiore), kua riro ngā matūkai e te tinana i roto i outgrowths motuhake; hāorakore (manawa ratou i roto i te taiao nui hāora-free), me te tini (he hermaphrodites ratou).

tukua katoa o enei āhuatanga tenei rauropi ki te noho tūturu i roto i te tinana o te ope, me te kia i tona utu. Ēnei helminths ngā: ate whiore, remenets, ngeru whiore, poaka tapeworm, Echinococcus, etc. Hei hopu ratou tangata e taea, ki te kai kai raw painga tukinotia ranei kararehe, poaka me te ika ..

Momo Flatworms fakatahai kaiao e whai āhuatanga rite, e rua hanganga waho, me te ā-. tohu ratou bespolostnoy kararehe i raro i te elongated, papatahi tinana, ie. E. E he papatahi ranei nui flat. Ano, ko reira ratou te wa tuatahi i reira he hangarite më i ontogeny whakatakotoria e toru paparanga iroriki - ecto, meso me te kiriroto - o nei whekau e hanga e i roto i te heke mai. Momo Flatworms faaite hoki te aroaro o te kiri-uaua putea i te mea he töpü o epithelium me nga tikanga i raro i te muka uaua. Tenei taea ratou ki "iro-rite" neke.

Ko te pūnaha kūnatu i roto i te puka noa he hanganga tahito, me te ngā o te foregut, ranei pharynx, midgut, e mutu matapo. I roto i helminths tenei pūnaha okana iti te.

flatworms pūnaha Nervous kanohi takirua ganglia me karere kahiwi kaka, e haere i reira, a hono e piriti annular. Kaha whakawhanakehia e rua kātua puku roa.

e kore e kitea ngā pūnaha circulatory me romahā. Manawa māngai o te piha haapiiraa epithelium ciliated, i hipoki ratou tinana i te waho.

whekau puha - protonephridia. ngā ratou o te pūnaha tubular, e mutu ngā pūtau stellate ki ngä makawe iti. Excretion o ngā hua ururua pūkoro ki te taiao puta i roto i tatau puha motuhake.

Uri pūnaha Ko te nuinga o maha hermaphrodite me te pūnaha o aerodynamics, e he tika mo te whakakorenga o ngā hua moepuku, me copulatory okana mō te kikiritanga ā-.

Ko te kupu, ko te momo o kutukutu flat - ko fele tenei momo pirinoa (helminths), i taea ki te urutau me te whakarite ki to ratou ara o te ora nei.