![Dab tsi yog qhov sib txawv ntawm cov pas nrig thiab cov ntawv xeem? Dab tsi yog qhov sib txawv ntawm cov pas nrig thiab cov ntawv xeem?](https://i.answers-medical.com/preview/medical-health/13923829-what-is-the-difference-between-rods-and-cones-quizlet-j.webp)
Video: Dab tsi yog qhov sib txawv ntawm cov pas nrig thiab cov ntawv xeem?
![Video: Dab tsi yog qhov sib txawv ntawm cov pas nrig thiab cov ntawv xeem? Video: Dab tsi yog qhov sib txawv ntawm cov pas nrig thiab cov ntawv xeem?](https://i.ytimg.com/vi/9kcSpfWRozQ/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cones muaj kev ntseeg ntau dua thiab pas nrig muaj qis dua. Cones txuas nrog ib leeg rau cov hlwb bipolar yog li lub hlwb tau txais cov paj hlwb los ntawm thaj chaw me me. Qws muaj qhov qis dua vim tias lawv txuas nrog hauv pab pawg, rau cov hlwb bipolar. Qws muaj kev nkag siab zoo dua vim tias lawv tau txuas nrog hauv pab pawg (summation).
Qhov ntawd, qhov sib txawv ntawm tus pas nrig thiab lub khob hliav qab yog dab tsi?
Qws thiab Cones yog cov photoreceptors pom hauv qhov muag, pas nrig muaj tus pas nrig -laj qauv thiab muab lub zeem muag tsaus ntuj, thaum Lub khob hliav qab yog ntawm cov Lub khob hliav qab puab, tsawg dua nyob rau hauv tus lej thiab muab lub zeem muag hauv hnub los yog lub teeb ci.
Tsis tas li ntawd, hom kev pom kev sib txawv dab tsi uas pas nrig thiab lub khob muab cov lus nug? Qws yog ultra-sensitive rau lub teeb thiab tsuas pom lub teeb, zoo rau hmo ntuj pom kev . Tsis muaj xim pom kev . Cones yog lub luag haujlwm rau xim pom kev.
Xav txog qhov no, yam twg ntawm cov hauv qab no yog qhov sib txawv loj ntawm cov pas nrig thiab lub khob hliav qab?
Qws yog lub luag haujlwm rau lub zeem muag ntawm qib qis (pom kev scotopic). Lawv tsis cuam tshuam qhov pom kev xim, thiab muaj qhov tsis zoo ib puag ncig. Cones ua haujlwm nyob rau qib siab dua (pom lub ntsej muag), muaj peev xwm ntawm lub zeem muag xim thiab muaj lub luag haujlwm rau qhov chaw siab. Lub hauv paus fovea yog cov neeg tshwj xeeb los ntawm Lub khob hliav qab.
Muaj pes tsawg tus pas nrig hauv txhua lub qhov muag muaj cov lus nug?
Ntau pas nrig tshaj cones hauv retina- txog 100 lab tus pas nrig hlwb. Txhua tus pas nrig ntawm tes muaj txog 100 lab rhodopsin molecules. cone-puab, feem ntau nyob ntawm fovea, teb rau lub teeb pom kev zoo dua. Peb hom ntawm lub khob hliav qab uas teb rau cov kab sib txawv ntawm lub teeb nthwv dej.
Pom zoo:
Dab tsi yog qhov sib txawv thiab qhov zoo sib xws ntawm cov khoom sib tsoo thiab qhov kov zoo?
![Dab tsi yog qhov sib txawv thiab qhov zoo sib xws ntawm cov khoom sib tsoo thiab qhov kov zoo? Dab tsi yog qhov sib txawv thiab qhov zoo sib xws ntawm cov khoom sib tsoo thiab qhov kov zoo?](https://i.answers-medical.com/preview/medical-health/13858321-what-are-differences-and-similarities-between-crude-touch-and-fine-touch-sensations-j.webp)
Dab tsi yog qhov sib txawv thiab qhov zoo sib xws ntawm 'crude' kov thiab 'nplua' kov qhov hnov? Nyuaj kov yog hais txog kev nkag siab los ntawm kev txhawb nqa ntawm cov neeg txais khoom ntawm qhov tsis nkag siab nrog cov teb loj. Hauv kev sib piv, kev kov zoo yog hais txog cov neeg txais khoom ntawm kev nkag siab siab nrog cov chaw txais me me
Dab tsi yog qhov sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws?
![Dab tsi yog qhov sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws? Dab tsi yog qhov sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws?](https://i.answers-medical.com/preview/medical-health/13907369-what-is-the-difference-between-dense-regular-connective-tissue-and-dense-irregular-connective-tissue-j.webp)
Cov ntaub so ntswg sib txuas tsis sib thooj muaj cov fibers uas tsis tau sib dhos ua ke zoo ib yam li cov ntaub so ntswg sib txuas ib ntus. Cov ntaub so ntswg sib txuas tsis sib thooj muaj feem ntau ntawm cov fibers collagen. Nws muaj cov khoom hauv av tsawg dua li cov ntaub so ntswg sib txuas
Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so?
![Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so? Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so?](https://i.answers-medical.com/preview/medical-health/14027937-which-joint-disease-is-characterized-by-joint-stiffness-on-movement-and-joint-pain-of-weight-bearing-joints-that-usually-is-relieved-by-rest-j.webp)
Osteoarthritis feem ntau cuam tshuam rau txhais tes, qis nraub qaum, caj dab, thiab hnyav sib koom tes xws li hauv caug, lub duav, thiab ko taw
Qhov twg ntawm cov hauv qab no yog qhov sib txawv loj ntawm cov pas nrig thiab lub khob hliav qab?
![Qhov twg ntawm cov hauv qab no yog qhov sib txawv loj ntawm cov pas nrig thiab lub khob hliav qab? Qhov twg ntawm cov hauv qab no yog qhov sib txawv loj ntawm cov pas nrig thiab lub khob hliav qab?](https://i.answers-medical.com/preview/medical-health/14067928-which-of-the-following-is-the-major-difference-between-rods-and-cones-j.webp)
Cov pas nrig yog lub luag haujlwm rau qhov pom ntawm qhov tsis pom kev qis (scotopic vision). Lawv tsis kho qhov muag pom xim, thiab muaj qhov tsis tshua pom kev zoo. Cones yog nquag nyob rau theem siab dua (photopic vision), muaj peev xwm ntawm kev pom xim thiab muaj lub luag haujlwm rau siab spatial acuity
Dab tsi yog qhov txawv ntawm qhov tseeb qhov pib thiab qhov sib txawv qhov pib?
![Dab tsi yog qhov txawv ntawm qhov tseeb qhov pib thiab qhov sib txawv qhov pib? Dab tsi yog qhov txawv ntawm qhov tseeb qhov pib thiab qhov sib txawv qhov pib?](https://i.answers-medical.com/preview/medical-health/14181956-what-is-the-difference-between-an-absolute-threshold-and-a-difference-threshold-j.webp)
Qhov pib tsis txaus yog qhov tsawg kawg ntawm kev txhawb siab xav tau rau ib tus neeg kom pom qhov kev txhawb siab 50 feem pua ntawm lub sijhawm. Qhov sib txawv ntawm qhov sib txawv yog qhov sib txawv me tshaj hauv kev txhawb nqa uas tuaj yeem kuaj pom 50 feem pua ntawm lub sijhawm