Yuav ua li cas yog phev? Nta ntawm tus txiv neej gamete

Tshuaj yog nplua nuj nyob rau hauv ib tug ntau yam ntawm cov nqe lus. Ib txhia ntawm lawv yog cov yooj yooj yim thiab to taub rau tib yam neeg. Lwm tus yuav tsum tau ib co lus piav. Qhov tsab xov xwm no yuav qhia koj hais tias xws li cov phev. Koj yuav kawm txog cov yam ntxwv ntawm cov qauv ntawm cov cell. Koj kuj yuav muaj peev xwm mus nrhiav tau tawm ntau npaum li cas nyob phev sab nraum lub cev ntawm tus txiv neej. Nws yuav tsum tau clarified thiab cov yooj yim zog ntawm gametes.

Yuav ua li cas yog phev?

Qhov no cell yog tam sim no nyob rau hauv lub cev ntawm cov txivneej ntawm ntau hom. Txawm li cas los, feem ntau nquag kawm nyob rau hauv tib neeg gamete. Yog hais tias koj muaj ib lo lus nug, yog dab tsi cov phev, ces qhov no tsab xov xwm no yuav qhia koj txog nws.

Phev - ib tug me nyuam ntawm tes, tsis muaj uas nws yog tsis yooj yim sua rau procreation. Nws yog tsim nyob rau hauv lub noob qes ntawm cov txivneej thiab cov tso tawm thaum lub sij hawm ejaculation. Nyob rau cov phev ntau lawm yog cuam tshuam los ntawm ntau yam tseem ceeb. Nws yog txoj hauj lwm ntawm lub hormonal system ntawm tus txiv neej, nws txoj kev ua neej, kev xav thiab lub cev mob. Tus qauv ntawm lub gametes yog heev nthuav. Yuav ua li cas yog phev? Qhov no cell, uas muaj ib lub taub hau cev lub ntsiab thiab tus Tsov tus tw. Gametes muaj ib tug ncaj high ceev. Nws tso cai rau kom tsim fertilization. Cov hlwb uas tsis muaj ib qho, los yog tsiv mus nyob zoo, feem ntau hu ua cov phev. Nws yog hais tias nws yog cov phev txiav txim seb tus txiv neej pw ntawm lub hauv plab me nyuam. Qhov tseeb nyob ntawm cov ntsiab lus ntawm tej yam chromosomes mus rau hauv gametes. Cov khoom siv yuav comprise cov X los yog cov Y chromosome. Raws li, thaum conception yog tsim ib tug poj niam los yog txiv neej fetus.

cell qauv

Raws li koj twb paub, tus spermatozoon muaj ib lub taub hau, lub cev thiab tus Tsov tus tw. Cov qhov chaw, nyob rau hauv lem, muaj lawv tus kheej peculiarities. Cia peb kawm lawv.

• Lub taub hau. Qhov no yog ib feem muaj ib tug tub ntxhais muaj ib tug tej yam txheej chromosomes. Nws yog ib qho tseem ceeb heev rau fertilization. Nyob rau hauv tas li ntawd, muaj tus acrosome. Qhov no tshuaj tsis koom nrog nyob rau hauv lub tsim ntawm ib tug zygote. Txawm li cas los, nws tso cai rau koj kom yaj rau hauv lub plhaub qe thiab tau hauv. Centrosome - qhov no yog ib qho tseem ceeb kom meej hais tias tso cai rau kom zoo zog ntawm tus Tsov tus tw.
• Lub cev. Yog tsis muaj ib qho tseem ceeb qhov chaw rau dag insemination. Txawm li cas los, nyob rau hauv lub cev ntawm cov phev yog lub cytoskeleton. Qhov no yog ib feem yuav pab kom cov cell txav thiab ncav cuag lawv cov hom phiaj.
• Ponytail. Qhov no yog ib feem tsis muaj tus chromosomes. Tab sis nws yog tsim nyog hais tias tsis muaj nws tus txiv neej gamete tsuas tsis tau tsiv mus. tus Tsov tus tw yog tswj los ntawm lub centrosome, uas yog nyob rau hauv lub cell lub taub hau. Muaj yog ib tug feature. Yog hais tias txiv neej lub hlwb tsis muaj tails, lub fertilization yuav tshwm sim los ntawm lub raj.

Qhov tseeb qauv ntawm cov phev yog qho tseem ceeb heev rau fertilization. Uas yog vim li cas cov kws kho mob them tshwj xeeb mloog mus rau qhov point.

ntsiab kev pab raws qib

Yuav ua li cas yog cov phev, koj twb paub lawm. Vim li cas thiaj xav tau qhov me ntsis cell ntawm txiv neej lub cev? Lub ntsiab feature ntawm lub gametes yog hais tias nws yuav nyob ua ib ke sab nraum lub party lub cev. Nyob rau tib lub sij hawm nyob rau hauv ib tug pab txhawb cov phev nyob rau kaum hnub.

Lub ntsiab hauj lwm ntawm tus txiv neej gamete yog fertilized. Nws yuav tshwm sim lawm los yog artificially. Hlwb nkag mus rau hauv lub cev ntawm lub fairer pw ua ke thiab kov yeej lub ncauj tsev menyuam kwj dej. Nws yuav tsum tau muab sau tseg tias ib tug tib cell nyob rau tib lub sij hawm yuav tsis txaus. Txawm tias muaj tseeb hais tias thaum lub sij hawm ntawm conception yog merged ib cov phev thiab qe, rau lub zog ntawm tus txiv neej gametes yuav tsum muaj ntau yam xws hlwb.

Tom qab kov yeej tus poj niam qhov chaw mos kabmob phev nkag mus rau hauv lub qe. Ces pib ib tug tas mus division. Lub zygote tsiv los ntawm txoj hlab qe menyuam thiab mus rau hauv lub tsev me nyuam. Muaj yog twb tsim tshuaj hu ua me nyuam hauv plab qe.

tej zaum teeb meem

Txiv neej cov phev tsis yeej ib txwm muaj qhov tseeb qauv. Feem ntau cov tswv cuab ntawm muaj zog nrog txiv neej pw yuav tsum tau tej teeb meem. Kuaj pathology tsom xam tom qab hu ua spermogram.

Piv txwv li, ib co hlwb yuav muaj tsis ncaj ncees lawm lub tsev los yog tsheb txhaum cai. Tej zaum kuj muaj ib nrab kev puas tsuaj rau lub taub hau los yog tus Tsov tus tw ntawm cov phev. Nyob rau hauv cov tshuaj, muaj ntau yam kev cai rau cov tau ntsib los ntawm cov txiv neej gametes. Thaum teeb thiab pathologies nyob kho. Kev kho mob yuav rov qab kho cov kev kho mob ntawm cov phev thiab tsim txiv neej deev muaj nuj nqi.

Summing li

Tam sim no koj paub hais tias xws li cov phev. Qhov no cell yog qhov tsawg tshaj plaws nyob rau hauv lub cev ntawm ib tug txiv neej, tab sis nws ua ib tug heev ib qho tseem ceeb muaj nuj nqi. Gamete kuj muaj nws tus kheej ib tug neeg tus yam ntxwv. Hais tias cov phev tso cai ib tug txiv neej mus ntxiv lawv tsev neeg thiab cov me nyuam xeeb ntxwv. Nws yuav tsum tau muab sau tseg tias cov qauv thiab kev khiav dej num ntawm hlwb yog kawm txawm nyob rau hauv lub tsev kawm ntawv cov ntaub ntawv kawm. Txhua tus neeg, tshwj xeeb tshaj yog ib tug txiv neej, yuav tsum paub hais tias qhov no phev. Kos rau lub zoo ntawm lawv cov me nyuam lub hlwb. Hmoov zoo!