Hur många hjärnceller finns i hjärnan?
100000000000
List of animals by number of neurons
Namn
Neuroner i hjärnan/hela nervsystemet
Synapser
Detaljer
Bild
Källa


Svamp
5000000000000000000♠0










Trichoplax
5000000000000000000♠0










Asplanchna brightwellii (rotifer)
70022000000000000000000♠omkring 200

Endast hjärna




Caenorhabditis elegans (rundmask)
7002302000000000000♠302
7003750000000000000♠~7,500









Maneter
7003560000000000000♠5,600

Hydra vulgaris (H. attenuate)








Megaphragma mymaripenne
7003740000000000000♠7,400






Lådmaneter
7003870000000000000♠8,700–7004175000000000000♠17,500

Vuxen Tripedalia cystophora (8 mm i diameter) - omfattar inte 1 000 neuroner i var och en av de fyra rhopalierna.








Medicinsk blodigel
7004100000000000000♠10,000










Dammsnigel
7004110000000000000♠11,000










Havssnigel
7004180000000000000♠18,000










Amphioxus
7004200000000000000♠20,000

Endast det centrala nervsystemet






Fruktfluga
7005250000000000000♠250,000
7007100000000000000♠< 1×10^7











Larvig zebrafisk
7005100000000000000♠100,000






Hummer
7005100000000000000♠100,000










Myror
7005250000000000000♠250,000

Varierar beroende på art










Honungsbi
7005960000000000000♠960,000
7009100000000000000♠~1×10^9









Kackerlacka
7006100000000000000♠1,000,000










Vuxna zebrafiskar
7007100000000000000♠~10,000,000

celler (neuroner + andra)




Groda
7007160000000000000♠16,000,000










Naken mullvadsråtta
26,880,000

















Rökig spindelmus
7007360000000000000♠36,000,000






Kortstjärtad spindelmus
7007520000000000000♠52,000,000






Husmus
7007710000000000000♠71,000,000
7012100000000000000♠~1×10^12





Nilkrokodil
7007805000000000000♠80,500,000






Guldhamster
7007900000000000000♠90,000,000






Stjärnnäsig mullvad
7008131000000000000♠131,000,000






Zebrafink
7008131000000000000♠131,000,000

Endast hjärnan




Brun råtta
7008200000000000000♠200,000,000
7011448000000000000♠~4.48×10^11





Östlig mullvad
7008204000000000000♠204,000,000






Marsgris
7008240000000000000♠240,000,000






Grå muslemur
7008254710000000000♠254,710,000

















Vanlig trädsporre
7008261000000000000♠261,000,000






Duva
7008310000000000000♠310,000,000

Endast hjärna








Grå ekorre
453,660,000

















Präriehund
473,940,000

















Europeisk kanin
494,200,000

















Bläckfisk
7008500000000000000♠500,000,000










Vanlig marmoset
7008636000000000000♠636,000,000






Katt
7008760000000000000♠760,000,000
7013100000000000000♠~1×10^13









Svartrumpad agouti
7008857000000000000♠857,000,000






Norra större galago
7008936000000000000♠936,000,000






Trestrimmig nattsnok
7009146800000000000♠1,468,000,000






Capybara
7009160000000000000♠1,600,000,000






Raven
7009217100000000000♠2,171,000,000

Endast hjärnan




Tamgris
7009222000000000000♠2,220,000,000

















Springbok
7009272000000000000♠2,720,000,000

















Blesbok
7009306000000000000♠3,060,000,000

















Blå-gul ara
7009313600000000000♠3,136,000,000

Endast hjärnan




Vanlig ekorrhjälmsapa
7009324600000000000♠3,246,000,000






Krabbätande makak
7009344000000000000♠3,440,000,000

















Tufted capuchin
7009369100000000000♠3,691,000,000






Bonnetmakak
7009378000000000000♠3,780,000,000

















Större kudu
7009491000000000000♠4,910,000,000

















Rhesusmakak
7009637600000000000♠6,376,000,000






Giraff
7010107500000000000♠10,750,000,000

















Gul babian
7010109500000000000♠10,950,000,000

















Orangutang
7010326000000000000♠32,600,000,000










Gorilla
7010334000000000000♠33,400,000,000










Människor
7010860000000000000♠86,000,000,000
7014150000000000000♠~1.5×10^14
Synapser för en genomsnittlig vuxen människa








Afrikansk elefant
7011257000000000000♠257,000,000,000
100000000000
List of animals by number of neurons
Name
Neurons in the brain/whole nervous system
Synapses
Details
Image
Source


Sponge
5000000000000000000♠0










Trichoplax
5000000000000000000♠0










Asplanchna brightwellii (rotifer)
7002200000000000000♠about 200

Brain only




Caenorhabditis elegans (roundworm)
7002302000000000000♠302
7003750000000000000♠~7,500









Jellyfish
7003560000000000000♠5,600

Hydra vulgaris (H. attenuate)








Megaphragma mymaripenne
7003740000000000000♠7,400






Box jellyfish
7003870000000000000♠8,700–7004175000000000000♠17,500

adult Tripedalia cystophora (8 mm diameter) – does not include 1000 neurons in each of the four rhopalia








Medicinal leech
7004100000000000000♠10,000










Pond snail
7004110000000000000♠11,000










Sea slug
7004180000000000000♠18,000










Amphioxus
7004200000000000000♠20,000

central nervous system only






Fruit fly
7005250000000000000♠250,000
7007100000000000000♠< 1×10^7











Larval zebrafish
7005100000000000000♠100,000






Lobster
7005100000000000000♠100,000










Ant
7005250000000000000♠250,000

Varies per species










Honey bee
7005960000000000000♠960,000
7009100000000000000♠~1×10^9









Cockroach
7006100000000000000♠1,000,000










Adult zebrafish
7007100000000000000♠~10,000,000

cells (neurons + other)




Frog
7007160000000000000♠16,000,000










Naked mole-rat
26,880,000

















Smoky shrew
7007360000000000000♠36,000,000






Short-tailed shrew
7007520000000000000♠52,000,000






House mouse
7007710000000000000♠71,000,000
7012100000000000000♠~1×10^12





Nile crocodile
7007805000000000000♠80,500,000






Golden hamster
7007900000000000000♠90,000,000






Star-nosed mole
7008131000000000000♠131,000,000






Zebra finch
7008131000000000000♠131,000,000

Brain only




Brown rat
7008200000000000000♠200,000,000
7011448000000000000♠~4.48×10^11





Eastern mole
7008204000000000000♠204,000,000






Guinea pig
7008240000000000000♠240,000,000






Gray mouse lemur
7008254710000000000♠254,710,000

















Common treeshrew
7008261000000000000♠261,000,000






Pigeon
7008310000000000000♠310,000,000

Brain only








Gray squirrel
453,660,000

















Prairie dog
473,940,000

















European rabbit
494,200,000

















Octopus
7008500000000000000♠500,000,000










Common marmoset
7008636000000000000♠636,000,000






Cat
7008760000000000000♠760,000,000
7013100000000000000♠~1×10^13









Black-rumped agouti
7008857000000000000♠857,000,000






Northern greater galago
7008936000000000000♠936,000,000






Three-striped night monkey
7009146800000000000♠1,468,000,000






Capybara
7009160000000000000♠1,600,000,000






Raven
7009217100000000000♠2,171,000,000

Brain only




Domestic pig
7009222000000000000♠2,220,000,000

















Springbok
7009272000000000000♠2,720,000,000

















Blesbok
7009306000000000000♠3,060,000,000

















Blue-and-yellow macaw
7009313600000000000♠3,136,000,000

Brain only




Common squirrel monkey
7009324600000000000♠3,246,000,000






Crab-eating macaque
7009344000000000000♠3,440,000,000

















Tufted capuchin
7009369100000000000♠3,691,000,000






Bonnet macaque
7009378000000000000♠3,780,000,000

















Greater kudu
7009491000000000000♠4,910,000,000

















Rhesus macaque
7009637600000000000♠6,376,000,000






Giraffe
7010107500000000000♠10,750,000,000

















Yellow baboon
7010109500000000000♠10,950,000,000

















Orangutan
7010326000000000000♠32,600,000,000










Gorilla
7010334000000000000♠33,400,000,000










Human
7010860000000000000♠86,000,000,000
7014150000000000000♠~1.5×10^14
Synapses for average adult








African elephant
7011257000000000000♠257,000,000,000
List of animals by number of neurons