Hvor mange hjerneceller er der i hjernen?
100000000000
List of animals by number of neurons
Navn
Neuroner i hjernen/hele nervesystemet
Synapser
Detaljer
Billede
Kilde


Svamp
5000000000000000000♠0










Trichoplax
5000000000000000000♠0










Asplanchna brightwellii (rotifer)
700220000000000000000000000♠omkring 200

Kun hjerne




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









Maner
7003560000000000000♠5,600

Hydra vulgaris (H. attenuate)








Megaphragma mymaripenne
7003740000000000000♠7,400






Æske-mane
7003870000000000000♠8,700–7004175000000000000♠17,500

voksen Tripedalia cystophora (8 mm i diameter) - omfatter ikke 1000 neuroner i hver af de fire rhopalia








Medicinsk igle
7004100000000000000♠10,000










Damsnegl
7004110000000000000♠11,000










Havsnegl
7004180000000000000♠18,000










Amphioxus
7004200000000000000♠20,000

kun centralnervesystemet






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











Larve af zebrafisk
7005100000000000000♠100,000






Hummer
7005100000000000000♠100,000










Myrer
7005250000000000000♠250,000

Varierer fra art til art










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









Kakerlak
7006100000000000000♠1,000,000










Voksne zebrafisk
7007100000000000000♠~10,000,000

celler (neuroner + andre)




Frø
7007160000000000000♠16,000,000










Nøgen muldvarpe
26,880,000

















Røget spidsmus
7007360000000000000♠36,000,000






Korthalet spidsmus
7007520000000000000♠52,000,000






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





Nil-krokodille
7007805000000000000♠80,500,000






Guldhamster
7007900000000000000♠90,000,000






Stjerneskudsmuldvarp
7008131000000000000♠131,000,000






Zebrafinke
7008131000000000000♠131,000,000

Kun hjernen




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





Østlig muldvarp
7008204000000000000♠204,000,000






Marsvin
7008240000000000000♠240,000,000






Grå muselemur
7008254710000000000♠254,710,000

















Almindelig træspurv
7008261000000000000♠261,000,000






Duer
7008310000000000000♠310,000,000

Kun hjerne








Gråt egern
453,660,000

















Præriehund
473,940,000

















Europæisk kanin
494,200,000

















Blæksprutte
7008500000000000000♠500,000,000










Almindelig syvsover
7008636000000000000♠636,000,000






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









Sortbuget agouti
7008857000000000000♠857,000,000






Nordlig stor galago
7008936000000000000♠936,000,000






Trestribet natabe
7009146800000000000♠1,468,000,000






Capybara
7009160000000000000♠1,600,000,000






Raven
7009217100000000000♠2,171,000,000

Kun hjernen




Husdyrsvin
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

Kun hjerne




Almindelig egernabe
7009324600000000000♠3,246,000,000






Krabbespisende makak
7009344000000000000♠3,440,000,000

















Tufted capuchin
7009369100000000000♠3,691,000,000






Bonnetmakak
7009378000000000000♠3,780,000,000

















Stor kudu
7009491000000000000♠4,910,000,000

















Rhesusmakak
7009637600000000000♠6,376,000,000






Giraf
7010107500000000000♠10,750,000,000

















Gul bavian
7010109500000000000♠10,950,000,000

















Orangutang
7010326000000000000♠32,600,000,000










Gorilla
7010334000000000000♠33,400,000,000










Mennesker
7010860000000000000♠86,000,000,000
7014150000000000000♠~1.5×10^14
Synapser for en gennemsnitlig voksen








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