List of B codes for MeSH

The following is a list of the "B" codes for MeSH. It is a product of the United States National Library of Medicine.

Source for content is [http://www.nlm.nih.gov/mesh/filelist.html here] . (File "2006 MeSH Trees".)

MeshNumber|B01|Animals --- animals

MeshNumber|B01.050|Animal+Population+Groups --- animal population groups

MeshNumber|B01.050.116|Animals,+Domestic --- animals, domestic

MeshNumber|B01.050.157|Animals,+Inbred+Strains --- animals, inbred strains

* --- animals, congenic
* --- mice, congenic
* --- mice, inbred strains
* --- mice, inbred a
* --- mice, inbred akr
* --- mice, inbred balb c
* --- mice, inbred c3h
* --- mice, inbred c57bl
* --- mice, inbred mdx
* --- mice, inbred cba
* --- mice, inbred cftr
* --- mice, inbred dba
* --- mice, inbred hrs
* --- mice, inbred icr
* --- mice, inbred mrl lpr
* --- mice, inbred nod
* --- mice, inbred nzb
* --- mice, inbred sencar
* --- rats, inbred strains
* --- rats, inbred aci
* --- rats, inbred bb
* --- rats, inbred bn
* --- rats, inbred buf
* --- rats, inbred dahl
* --- rats, inbred f344
* --- rats, inbred lec
* --- rats, inbred lew
* --- rats, inbred oletf
* --- rats, inbred shr
* --- rats, inbred wf
* --- rats, inbred wky

MeshNumber|B01.050.199|Animals,+Laboratory --- animals, laboratory

* --- animals, congenic
* --- mice, congenic
* --- animals, inbred strains
* --- animals, congenic
* --- mice, congenic
* --- mice, inbred strains
* --- mice, inbred a
* --- mice, inbred akr
* --- mice, inbred balb c
* --- mice, inbred c3h
* --- mice, inbred c57bl
* --- mice, inbred mdx
* --- mice, inbred cba
* --- mice, inbred cftr
* --- mice, inbred dba
* --- mice, inbred hrs
* --- mice, inbred icr
* --- mice, inbred mrl lpr
* --- mice, inbred nod
* --- mice, inbred nzb
* --- mice, inbred sencar
* --- rats, inbred strains
* --- rats, inbred aci
* --- rats, inbred bb
* --- rats, inbred bn
* --- rats, inbred buf
* --- rats, inbred dahl
* --- rats, inbred f344
* --- rats, inbred lec
* --- rats, inbred lew
* --- rats, inbred oletf
* --- rats, inbred shr
* --- rats, inbred wf
* --- rats, inbred wky

MeshNumber|B01.050.282|Animals,+Newborn --- animals, newborn

MeshNumber|B01.050.284|Animals,+Outbred+Strains --- animals, outbred strains

MeshNumber|B01.050.286|Animals,+Poisonous --- animals, poisonous

* --- fishes, poisonous

MeshNumber|B01.050.293|Animals,+Suckling --- animals, suckling

MeshNumber|B01.050.300|Animals,+Wild --- animals, wild

MeshNumber|B01.050.448|Animals,+Zoo --- animals, zoo

=MeshNumber|B01.050.530|Chimera --- chimera=

* --- transplantation chimera
* --- radiation chimera

MeshNumber|B01.050.680|Organisms,+Genetically+Modified --- organisms, genetically modified

* --- animals, genetically modified
* --- mice, transgenic
* --- mice, knockout

MeshNumber|B01.150|Chordata --- chordata

MeshNumber|B01.150.200|Chordata,+Nonvertebrate --- chordata, nonvertebrate

* --- hyperotreti
* --- hagfishes
* --- urochordata
* --- ciona intestinalis

MeshNumber|B01.150.900|Vertebrates --- vertebrates

* --- amphibia
* --- anura
* --- bufonidae
* --- bufo arenarum
* --- bufo bufo
* --- bufo marinus
* --- pipidae
* --- xenopus
* --- xenopus laevis
* --- ranidae
* --- rana catesbeiana
* --- rana esculenta
* --- rana pipiens
* --- rana ridibunda
* --- rana temporaria
* --- urodela
* --- ambystomatidae
* --- ambystoma
* --- ambystoma mexicanum
* --- proteidae
* --- necturus
* --- necturus maculosus
* --- salamandridae
* --- notophthalmus
* --- notophthalmus viridescens
* --- pleurodeles
* --- salamandra
* --- triturus
* --- birds
* --- anseriformes
* --- ducks
* --- geese
* --- charadriiformes
* --- columbiformes
* --- columbidae
* --- falconiformes
* --- eagles
* --- hawks
* --- galliformes
* --- chickens
* --- quail
* --- colinus
* --- coturnix
* --- turkeys
* --- palaeognathae
* --- dromaiidae
* --- rheiformes
* --- struthioniformes
* --- poultry
* --- chickens
* --- ducks
* --- geese
* --- turkeys
* --- passeriformes
* --- songbirds
* --- crows
* --- finches
* --- canaries
* --- sparrows
* --- starlings
* --- swallows
* --- psittaciformes
* --- cockatoos
* --- parrots
* --- agapornis
* --- amazona
* --- parakeets
* --- melopsittacus
* --- psittacula
* --- raptors
* --- falconiformes
* --- eagles
* --- hawks
* --- strigiformes
* --- spheniscidae
* --- strigiformes
* --- fishes
* --- batrachoidiformes
* --- catfishes
* --- ictaluridae
* --- cypriniformes
* --- cyprinidae
* --- carps
* --- goldfish
* --- zebrafish
* --- eels
* --- anguilla
* --- elasmobranchii
* --- sharks
* --- dogfish
* --- squalus
* --- squalus acanthias
* --- skates (fish)
* --- torpedo
* --- electric fish
* --- gymnotiformes
* --- electrophorus
* --- skates (fish)
* --- torpedo
* --- esociformes
* --- esocidae
* --- umbridae
* --- fishes, poisonous
* --- flatfishes
* --- flounder
* --- gadiformes
* --- gadus morhua
* --- hagfishes
* --- lampreys
* --- petromyzon
* --- osmeriformes
* --- perciformes
* --- bass
* --- cichlids
* --- tilapia
* --- perches
* --- sea bream
* --- tuna
* --- salmoniformes
* --- salmonidae
* --- salmon
* --- oncorhynchus
* --- oncorhynchus keta
* --- oncorhynchus kisutch
* --- salmo salar
* --- trout
* --- oncorhynchus
* --- oncorhynchus mykiss
* --- smegmamorpha
* --- beloniformes
* --- oryzias
* --- cyprinodontiformes
* --- fundulidae
* --- killifishes
* --- poecilia
* --- tetraodontiformes
* --- takifugu
* --- mammals
* --- artiodactyla
* --- ruminants
* --- antelopes
* --- bison
* --- buffaloes
* --- camelids, new world
* --- camels
* --- cattle
* --- deer
* --- muntjacs
* --- reindeer
* --- goats
* --- rupicapra
* --- sheep
* --- sheep, bighorn
* --- sheep, domestic
* --- swine
* --- sus scrofa
* --- swine, miniature
* --- carnivora
* --- canidae
* --- coyotes
* --- dogs
* --- foxes
* --- jackals
* --- raccoon dogs
* --- wolves
* --- felidae
* --- acinonyx
* --- felis
* --- cats
* --- lynx
* --- panthera
* --- lions
* --- tigers
* --- puma
* --- herpestidae
* --- hyaenidae
* --- mephitidae
* --- mustelidae
* --- ferrets
* --- mink
* --- otters
* --- pinnipedia
* --- fur seals
* --- sea lions
* --- seals, earless
* --- phoca
* --- walruses
* --- procyonidae
* --- raccoons
* --- ursidae
* --- viverridae
* --- cetacea
* --- dolphins
* --- bottle-nosed dolphin
* --- common dolphins
* --- stenella
* --- whale, killer
* --- whales, pilot
* --- porpoises
* --- phocoena
* --- whales
* --- balaenoptera
* --- fin whale
* --- minke whale
* --- beluga whale
* --- bowhead whale
* --- humpback whale
* --- sperm whale
* --- chiroptera
* --- elephants
* --- hyraxes
* --- insectivora
* --- hedgehogs
* --- moles
* --- shrews
* --- lagomorpha
* --- hares
* --- rabbits
* --- marsupialia
* --- macropodidae
* --- opossums
* --- didelphis
* --- monodelphis
* --- phalangeridae
* --- trichosurus
* --- phascolarctidae
* --- potoroidae
* --- monotremata
* --- echidna
* --- platypus
* --- perissodactyla
* --- equidae
* --- horses
* --- primates
* --- haplorhini
* --- catarrhini
* --- cercopithecidae
* --- cercopithecinae
* --- cercocebus
* --- cercocebus atys
* --- cercopithecus
* --- cercopithecus aethiops
* --- erythrocebus
* --- erythrocebus patas
* --- macaca
* --- macaca fascicularis
* --- macaca mulatta
* --- macaca nemestrina
* --- macaca radiata
* --- mandrillus
* --- papio
* --- papio anubis
* --- papio cynocephalus
* --- papio hamadryas
* --- papio papio
* --- papio ursinus
* --- theropithecus
* --- colobinae
* --- colobus
* --- hominidae
* --- gorilla gorilla
* --- humans
* --- pan paniscus
* --- pan troglodytes
* --- pongo pygmaeus
* --- hylobatidae
* --- hylobates
* --- platyrrhini
* --- atelidae
* --- callitrichidae
* --- callimico
* --- callithrix
* --- leontopithecus
* --- saguinus
* --- cebidae
* --- alouattinae
* --- alouatta
* --- aotinae
* --- aotus trivirgatus
* --- cebinae
* --- cebus
* --- saimirinae
* --- saimiri
* --- tarsii
* --- tarsiidae
* --- strepsirhini
* --- cheirogaleidae
* --- lemuridae
* --- lemur
* --- lorisidae
* --- galago
* --- rodentia
* --- chinchilla
* --- dipodomys
* --- gophers
* --- guinea pigs
* --- mole rats
* --- spalax
* --- muridae
* --- arvicolinae
* --- cricetinae
* --- cricetulus
* --- mesocricetus
* --- phodopus
* --- gerbillinae
* --- murinae
* --- mice
* --- mice, congenic
* --- mice, inbred strains
* --- mice, inbred a
* --- mice, inbred akr
* --- mice, inbred balb c
* --- mice, inbred c3h
* --- mice, inbred c57bl
* --- mice, inbred mdx
* --- mice, inbred cba
* --- mice, inbred cftr
* --- mice, inbred dba
* --- mice, inbred hrs
* --- mice, inbred icr
* --- mice, inbred mrl lpr
* --- mice, inbred nod
* --- mice, inbred nzb
* --- mice, inbred sencar
* --- mice, mutant strains
* --- mice, biozzi
* --- mice, inbred mdx
* --- mice, jimpy
* --- mice, knockout
* --- mice, neurologic mutants
* --- mice, nude
* --- mice, obese
* --- mice, quaking
* --- mice, scid
* --- mice, transgenic
* --- mice, knockout
* --- rats
* --- rats, inbred strains
* --- rats, inbred aci
* --- rats, inbred bb
* --- rats, inbred bn
* --- rats, inbred buf
* --- rats, inbred dahl
* --- rats, inbred f344
* --- rats, inbred lec
* --- rats, inbred lew
* --- rats, inbred oletf
* --- rats, inbred shr
* --- rats, inbred wf
* --- rats, inbred wky
* --- rats, long-evans
* --- rats, mutant strains
* --- rats, brattleboro
* --- rats, gunn
* --- rats, nude
* --- rats, zucker
* --- rats, sprague-dawley
* --- rats, wistar
* --- sigmodontinae
* --- peromyscus
* --- spalax
* --- myoxidae
* --- octodon
* --- porcupines
* --- sciuridae
* --- marmota
* --- scandentia
* --- tupaiidae
* --- tupaia
* --- sirenia
* --- dugong
* --- trichechus
* --- trichechus inunguis
* --- trichechus manatus
* --- xenarthra
* --- armadillos
* --- sloths
* --- reptiles
* --- alligators and crocodiles
* --- dinosaurs
* --- lizards
* --- iguanas
* --- snakes
* --- boidae
* --- colubridae
* --- elapidae
* --- bungarus
* --- cobra
* --- hydrophiidae
* --- viperidae
* --- agkistrodon
* --- bothrops
* --- crotalus
* --- russell's viper
* --- trimeresurus
* --- turtles

MeshNumber|B01.500|Invertebrates --- invertebrates

MeshNumber|B01.500.091|Annelida --- annelida

* --- leeches
* --- hirudo medicinalis
* --- oligochaeta
* --- polychaeta

MeshNumber|B01.500.131|Arthropods --- arthropods

* --- arachnida
* --- acari
* --- mites
* --- acaridae
* --- psoroptidae
* --- pyroglyphidae
* --- dermatophagoides farinae
* --- dermatophagoides pteronyssinus
* --- sarcoptidae
* --- sarcoptes scabiei
* --- tetranychidae
* --- trombiculidae
* --- ticks
* --- argasidae
* --- argas
* --- ornithodoros
* --- ixodidae
* --- dermacentor
* --- ixodes
* --- rhipicephalus
* --- rhipicephalus sanguineus
* --- scorpions
* --- spiders
* --- black widow spider
* --- crustacea
* --- amphipoda
* --- anostraca
* --- artemia
* --- arguloida
* --- cladocera
* --- daphnia
* --- copepoda
* --- decapoda (crustacea)
* --- anomura
* --- astacoidea
* --- brachyura
* --- crangonidae
* --- nephropidae
* --- palaemonidae
* --- palinuridae
* --- pandalidae
* --- penaeidae
* --- euphausiacea
* --- isopoda
* --- thoracica
* --- horseshoe crabs
* --- insects
* --- beetles
* --- fireflies
* --- tenebrio
* --- tribolium
* --- weevils
* --- cockroaches
* --- blattellidae
* --- periplaneta
* --- diptera
* --- ceratopogonidae
* --- chironomidae
* --- culicidae
* --- aedes
* --- anopheles
* --- anopheles gambiae
* --- culex
* --- ochlerotatus
* --- drosophilidae
* --- drosophila
* --- drosophila melanogaster
* --- glossinidae
* --- tsetse flies
* --- muscidae
* --- houseflies
* --- psychodidae
* --- phlebotomus
* --- simuliidae
* --- tephritidae
* --- ceratitis capitata
* --- fleas
* --- hemiptera
* --- aphids
* --- heteroptera
* --- cimicidae
* --- bedbugs
* --- reduviidae
* --- triatominae
* --- panstrongylus
* --- rhodnius
* --- triatoma
* --- hymenoptera
* --- ants
* --- bees
* --- wasps
* --- isoptera
* --- lepidoptera
* --- butterflies
* --- moths
* --- bombyx
* --- manduca
* --- spodoptera
* --- lice
* --- anoplura
* --- pediculus
* --- phthirus
* --- mallophaga
* --- mantodea
* --- orthoptera
* --- grasshoppers
* --- locusta migratoria
* --- gryllidae

MeshNumber|B01.500.217|Bryozoa --- bryozoa

MeshNumber|B01.500.272|Chordata,+Nonvertebrate --- chordata, nonvertebrate

* --- hyperotreti
* --- hagfishes
* --- urochordata
* --- ciona intestinalis

MeshNumber|B01.500.308|Cnidaria --- cnidaria

* --- anthozoa
* --- renilla
* --- sea anemones
* --- cubozoa
* --- hydrozoa
* --- hydra
* --- scyphozoa
* --- sea nettle, east coast

MeshNumber|B01.500.325|Ctenophora --- ctenophora

MeshNumber|B01.500.408|Echinodermata --- echinodermata

* --- sea cucumbers
* --- cucumaria
* --- holothuria
* --- stichopus
* --- sea urchins
* --- anthocidaris
* --- arbacia
* --- hemicentrotus
* --- lytechnius
* --- paracentrotus
* --- strongylocentrotus
* --- strongylocentrotus purpuratus
* --- starfish
* --- asterias
* --- asterina

MeshNumber|B01.500.500|Helminths --- helminths

* --- acanthocephala
* --- moniliformis
* --- nematoda
* --- adenophorea
* --- enoplida
* --- dioctophymatoidea
* --- mermithoidea
* --- trichuroidea
* --- capillaria
* --- trichinella
* --- trichinella spiralis
* --- trichuris
* --- secernentea
* --- ascaridida
* --- ascaridoidea
* --- anisakis
* --- ascaridia
* --- ascaris
* --- ascaris lumbricoides
* --- ascaris suum
* --- toxascaris
* --- toxocara
* --- toxocara canis
* --- oxyurida
* --- oxyuroidea
* --- enterobius
* --- rhabditida
* --- rhabdiasoidea
* --- strongyloides
* --- strongyloides ratti
* --- strongyloides stercoralis
* --- rhabditoidea
* --- caenorhabditis
* --- caenorhabditis elegans
* --- spirurida
* --- camallanina
* --- dracunculoidea
* --- dracunculus nematode
* --- spirurina
* --- filarioidea
* --- brugia
* --- brugia malayi
* --- brugia pahangi
* --- dipetalonema
* --- dirofilaria
* --- dirofilaria immitis
* --- loa
* --- mansonella
* --- microfilaria
* --- onchocerca
* --- onchocerca volvulus
* --- setaria nematode
* --- wuchereria
* --- wuchereria bancrofti
* --- spiruroidea
* --- thelazioidea
* --- gnathostoma
* --- strongylida
* --- ancylostomatoidea
* --- ancylostoma
* --- necator
* --- necator americanus
* --- heligmosomatoidea
* --- nematospiroides
* --- nematospiroides dubius
* --- nippostrongylus
* --- metastrongyloidea
* --- angiostrongylus
* --- angiostrongylus cantonensis
* --- strongyloidea
* --- oesophagostomum
* --- strongylus
* --- trichostrongyloidea
* --- dictyocaulus
* --- haemonchus
* --- ostertagia
* --- trichostrongylus
* --- tylenchida
* --- tylenchoidea
* --- platyhelminths
* --- cestoda
* --- diphyllobothrium
* --- sparganum
* --- echinococcus
* --- echinococcus granulosus
* --- echinococcus multilocularis
* --- hymenolepis
* --- hymenolepis diminuta
* --- hymenolepis nana
* --- mesocestoides
* --- spirometra
* --- sparganum
* --- taenia
* --- cysticercus
* --- taenia saginata
* --- taenia solium
* --- trematoda
* --- dicrocoeliidae
* --- dicrocoelium
* --- echinostomatidae
* --- echinostoma
* --- fasciolidae
* --- fasciola
* --- fasciola hepatica
* --- heterophyidae
* --- opisthorchidae
* --- clonorchis sinensis
* --- opisthorchis
* --- paramphistomatidae
* --- schistosomatidae
* --- schistosoma
* --- schistosoma haematobium
* --- schistosoma japonicum
* --- schistosoma mansoni
* --- troglotrematidae
* --- paragonimus
* --- paragonimus westermani
* --- turbellaria
* --- planarians
* --- rotifera

MeshNumber|B01.500.644|Mollusca --- mollusca

* --- bivalvia
* --- arcidae
* --- scapharca
* --- cardiidae
* --- corbicula
* --- dreissena
* --- mercenaria
* --- mya
* --- mytilidae
* --- mytilus
* --- mytilus edulis
* --- perna
* --- ostreidae
* --- crassostrea
* --- ostrea
* --- pectinidae
* --- pecten
* --- pinctada
* --- spisula
* --- unionidae
* --- anodonta
* --- unio
* --- cephalopoda
* --- decapodiformes
* --- loligo
* --- sepia
* --- nautilus
* --- octopodiformes
* --- gastropoda
* --- aplysia
* --- clione
* --- conus snail
* --- hermissenda
* --- pleurobranchaea
* --- snails
* --- biomphalaria
* --- bulinus
* --- helix (snails)
* --- lymnaea
* --- tritonia sea slug
* --- polyplacophora

MeshNumber|B01.500.714|Parasites --- parasites

MeshNumber|B01.500.766|Plankton --- plankton

* --- zooplankton

MeshNumber|B01.500.802|Porifera --- porifera

* --- agelas
* --- axinella
* --- callyspongia
* --- crambe sponge
* --- dysidea
* --- geodia
* --- haliclona
* --- petrosia
* --- plakortis
* --- suberites
* --- theonella
* --- xestospongia

MeshNumber|B01.500.841|Protozoa --- protozoa

* --- apicomplexa
* --- coccidia
* --- eimeriida
* --- cryptosporidiidae
* --- cryptosporidium
* --- cryptosporidium parvum
* --- eimeriidae
* --- cyclospora
* --- eimeria
* --- eimeria tenella
* --- isospora
* --- sarcocystidae
* --- neospora
* --- sarcocystis
* --- toxoplasma
* --- eucoccidiida
* --- haemosporida
* --- plasmodium
* --- plasmodium berghei
* --- plasmodium chabaudi
* --- plasmodium cynomolgi
* --- plasmodium falciparum
* --- plasmodium gallinaceum
* --- plasmodium knowlesi
* --- plasmodium malariae
* --- plasmodium ovale
* --- plasmodium vivax
* --- plasmodium yoelii
* --- piroplasmia
* --- piroplasmida
* --- babesia
* --- babesia bovis
* --- babesia microti
* --- theileria
* --- theileria annulata
* --- theileria parva
* --- blood-borne pathogens
* --- ciliophora
* --- kinetofragminophorea
* --- trichostomatida
* --- trichostomatina
* --- balantidium
* --- oligohymenophorea
* --- hymenostomatida
* --- peniculina
* --- paramecium
* --- paramecium aurelia
* --- paramecium caudatum
* --- paramecium tetraurelia
* --- tetrahymenina
* --- tetrahymena
* --- tetrahymena pyriformis
* --- tetrahymena thermophila
* --- polymenophorea
* --- hypotrichida
* --- sporadotrichina
* --- euplotes
* --- oxytricha
* --- haplosporida
* --- myxomycetes
* --- physarida
* --- physarum
* --- physarum polycephalum
* --- phytoplankton
* --- sarcomastigophora
* --- mastigophora
* --- phytomastigophorea
* --- dinoflagellida
* --- pfiesteria piscicida
* --- euglenida
* --- euglena
* --- euglena gracilis
* --- volvocida
* --- chlamydomonas
* --- chlamydomonas reinhardtii
* --- zoomastigophora
* --- diplomonadida
* --- giardia
* --- giardia lamblia
* --- kinetoplastida
* --- trypanosomatina
* --- crithidia
* --- crithidia fasciculata
* --- leishmania
* --- leishmania braziliensis
* --- leishmania donovani
* --- leishmania enriettii
* --- leishmania guyanensis
* --- leishmania infantum
* --- leishmania major
* --- leishmania mexicana
* --- leishmania tropica
* --- trypanosoma
* --- trypanosoma brucei brucei
* --- trypanosoma brucei gambiense
* --- trypanosoma brucei rhodesiense
* --- trypanosoma congolense
* --- trypanosoma cruzi
* --- trypanosoma lewisi
* --- trypanosoma vivax
* --- trichomonadida
* --- dientamoeba
* --- trichomonas
* --- trichomonas vaginalis
* --- tritrichomonas
* --- tritrichomonas foetus
* --- sarcodina
* --- eumycetozoea
* --- dictyosteliida
* --- dictyostelium
* --- physarida
* --- physarum
* --- physarum polycephalum
* --- lobosea
* --- amoebida
* --- acanthopodina
* --- acanthamoeba
* --- acanthamoeba castellanii
* --- blastocystina
* --- blastocystis
* --- blastocystis hominis
* --- tubulina
* --- amoeba
* --- endolimax
* --- entamoeba
* --- entamoeba histolytica
* --- hartmannella
* --- schizopyrenida
* --- naegleria
* --- naegleria fowleri
* --- spores
* --- spores, protozoan
* --- oocysts
* --- sporozoites