Vim li cas yoov rub lawv cov paws: qhov tsis meej ntawm Diptera kev koom tes
Tej zaum txhua tus tau pom tias thaum ya ya mus rau ntawm qee qhov chaw, nws pib rub nws ob txhais ceg ua ke, zoo li ntxuav lawv. Kev tu tus kheej puas yog qhov tseem ceeb rau cov kab no nkag los ntawm cov thawv khib nyiab thiab cov zaub mov rotting?
Txheem
Cov ceg ya ua haujlwm li cas thiab dab tsi ua rau lawv txawv?
Cov yoov tiag tiag ntxuav lub cev thiab tshwj xeeb tshaj yog cov ceg ntawm qhov no. Tab sis nws ua qhov no tsis yog vim kev huv huv heev, tab sis vim yog lub cev ntawm lub cev.
Cov yoov siv lawv cov ceg li cas?
- Ua tsaug rau cov ceg zoo li no, lub arthropod tuav zoo kawg nkaus ntawm daim iav, iav thiab lwm yam du nto.
- Nws tuaj yeem yooj yim txav mus rau pem hauv ntej raws lub qab nthab thiab phab ntsa thiab nkag mus rau hauv qhov chaw nkag tsis tau tshaj plaws ntawm chav tsev.
- Tsis tas li ntawd, cov kab siv cov bristles nyob rau ntawm lub pulvillas ua ib qho khoom nruab nrog kov thiab tsis hnov tsw, txiav txim siab saj thiab edibility ntawm cov khoom.
- Thaum ob txhais ceg qhia cov yoov hais tias nws tau tsaws ntawm cov khoom siv tau, tus neeg saj nws nrog ib hom nplaig hauv daim ntawv ntawm libella ncoo. Ntawd yog, thawj tus kab tsuag saj zaub mov nrog nws txhais taw, thiab tsuas yog tom qab ntawd nrog nws cov proboscis thiab nqus cov hniav.
Yog vim li cas ya ya rub nws ob txhais ceg: lub ntsiab yog vim li cas
Thaum lub sij hawm tastings thiab txav, yoov ob txhais ceg sai sai khaws plua plav thiab av, uas cuam tshuam adhesion rau saum npoo.
Txhawm rau txuas ntxiv nkag mus tsis muaj kev cuam tshuam, kab yog yuam kom ntxuav cov lus qhia ntawm nws ob txhais ceg los ntawm cov khoom txawv teb chaws, txhawb kev tso tawm ntawm cov nplaum nplaum ntawm carbohydrates thiab lipids.
Qhov no yog li cas lawv khaws cov kabmob tseem ceeb hauv kev ua haujlwm. Tag nrho cov txheej txheem tu cev muaj ob peb ntu. Ua ntej, cov yoov ntxuav lawv lub forelimbs, ces lawv ntxuav lawv lub taub hau thiab hind ob txhais ceg nrog cov paws, thiab thaum kawg lawv so lawv tis.
Yuav ua li cas yog tias koj degrease cov ceg ntawm yoov?
Ua tib zoo saib ntawm thaj chaw ntawm qhov chaw uas cov kab txav mus los, koj tuaj yeem pom cov kab mob xim av nyob rau hauv daim ntawv ntawm cov saw hlau, qhia txog qhov chaw ntawm pulvilli outgrowths. Entomologists tau pom tias lawv muaj cov triglycerides.
Yog hais tias koj tshem tawm cov rog los ntawm bristles ntawm yoov ob txhais ceg los ntawm immersing lawv luv luv nyob rau hauv hexane, lub zog ntawm lub arthropod yuav ua tsis tau.
Cov kab mob txaus ntshai dab tsi yoov nqa ntawm lawv ob txhais ceg?
Txawm hais tias kev tu cov ceg tsis tu ncua, yoov yog cov neeg nqa khoom tseem ceeb ntawm cov kab mob parasitic thiab kis kab mob. Raws li qhov tshwm sim ntawm kev tshawb fawb, txog li 6 lab tus kab mob tau pom nyob rau saum npoo ntawm ib tus neeg xwb, thiab ntau txog 28 lab hauv nws cov hnyuv.
Nws yog tsim nyog sau cia tias Hauv cov cheeb tsam uas muaj neeg nyob tsis huv, yoov tuaj yeem nqa txog 500 lab kab mob. Pathogenic microbes nkag mus rau cov kab ob txhais ceg ntawm cov organic pov tseg thiab los ntawm lawv mus rau cov khoom noj. Los ntawm kev noj cov zaub mov zoo li no, ib tug neeg yuav kis tau los yog lom. Cov kab mob txaus ntshai uas yoov yoov muaj xws li:
- tuberculosis;
- polio;
- salmonellosis;
- brucellosis;
- kab mob diphtheria;
- tularemia;
- kab mob plab;
- typhoid fever;
- tus kab mob cholera;
- Txoj moo zoo kab mob;
- paratyphoid;
- pom mob pob txha.
Kab tsuag kuj nqa cov qe qe rau ntawm lawv cov paws, uas kuj kis tau los ntawm cov khoom noj. Nws tau raug pov thawj tias nws yog yoov uas nyob rau qee lub sijhawm dhau los ua qhov chaw muaj kev sib kis loj.
Piv txwv li, nyob rau hauv lub xyoo pua 112th nyob rau hauv Russia lawv ua rau XNUMX loj kab mob ntawm jaundice, thiab nyob rau hauv Teb chaws Cuba thiab Puerto Rico thaum lub sij hawm Spanish-American Tsov rog lawv tau ua rau muaj kab mob dysentery thiab typhus.
Txawm tias tam sim no, dig muag trachoma, tshwm sim los ntawm qee hom yoov, cuam tshuam txog 8 lab tus tib neeg txhua xyoo.
Yav dhau los