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biologija > Nervu Sistema > Flashcards

Nervu Sistema Flashcards

1
Q

Nervu sistemos reiksme

A

Reguliuoja organu visu darba
Suderina organu darba tarpusavyje
Palaiko rysi su aplinka

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2
Q

Bervu sistemos sandara

A

Periferine n s
Nerviniai mazgai nervai

Centrine n s
Galvos smegenys nugaros smegenys

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3
Q

Nervinis audinys

A

Neuronai
Neurglejos lasteles

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4
Q

Neuronai

A

Nervines lasteles

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5
Q

Neurglejos lasteles

A

Saugo ir maitina neuronus

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6
Q

Neuronu rusys

A

Juntamieji (juo impulsas keliauja is jutimo organu i smegenis)(turi bumbula pailga viduri
Judinamieji(jo nerv impulsas eina is centrines n s i organa raumeni)(turi bumbula virsui)
Iterpiniai(jungia juntamuosius ir judinamuosius yra smegenyse)(bumbulas viduri)

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7
Q

Neurono sandara

A

Dendritai (trumpoji atauga, priima nervini impulsa, gali turet receptorius)
Kunas (branduolys ir kitos organeles)
Aksonas(ilgoji atauga, perduoda n i)

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8
Q

Nervo sandara

A

Jungiamasis audinys
Aksonas
Aksonu pluostas

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9
Q

Kuo vadinamos nervu lasteliu ataugos padengtos apvalkaleliais

A

nervines skaidulom(jos jungias i pluostus ir sudaro nervus)

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10
Q

Sinapse

A

Risys tarp 2 neuronu

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11
Q

Sandara sinapses

A

Aksono galune
Pusleles su mediatoriais
Presinapsine membrana
Sinapses plisys
Posinapsine membrana
Receptoriai
Dendritas

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12
Q

Nervinio impulso perdavimas sinapseje

A

Nervinis impulsas pasiekia aksono galune

Mediatoriniu pusleles juda link presinapsines membranos

Mediatoriu pusleles susijungia su presinapsine membrana

Mediatoriai issilieja plysi

Mediatoriai jungias su posinapsineje membranoje esanciais receptoriais

Nervinis impulsas sklinda toliau

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13
Q

Refleksas

A

Nevalingas organizmo atsakas i dirginima

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14
Q

Reflekso lankas

A

Kelias kuriuo sklinda refleksas

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15
Q

Reflekso laikas

A

Laikas per kuri n i slklinda reflekso lanku

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16
Q

Reflekso lanko sandara

A

Receptorius
Juntamasis neuronas(virsui)
Judinamasis(apacioi)
Koordinatorius(galvos arba nugaros smegenys)
Efektorius

17
Q

Refleksu rusys

A

Nesalyginiai (igimti)
Salyginiai(igyti)

18
Q

Galvos smegenys sandara

A

1Smegenu zieve
2 vidurines smegenys
3tiltas
4pailgosios smegenys
5tarpines smegenys
6smegeneles

19
Q

Pailgosios smegenys

A

Reguliuoja sirdi, kvepavima, virskinima

20
Q

Smegeneles

A

Reguliuoja judesius

21
Q

Smegenu zieve

A

Reguliuoja kitu smegenu daliu veikla ir svarbiausiais psichines funkcijas

22
Q

Tarpines smegenys (pogumbris)

A

Reguliuoja medz apykaita, kuno temp, vandens kieki

23
Q

Tiltas

A

Reguliuoja klausos, regos, nesaliginius refleksus

24
Q

Vidurines smegenys

A

Palaiko raumenu tonus

25
Q

Smegenu dalys vidui

A

1 kaktine skiltis
2 momentine skiaute
3 pakausio skiltis
4pailgosios smegenys
5 smilkinio skiltis

26
Q

Momentine

A

Prisilietimo ir judejimo, pusiausvyros

27
Q

Kaktine skiltis

A

Loginis mastimas, suvokimas ir kalba

28
Q

Smilkine skiltis

A

Uosle, klausa

29
Q

Pakausio skiltis

A

Regos suvokimas

biologija (9 decks)

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