protoorganism
An organism whose nature is so difficult to determine that it might be referred to either the animal or the vegetable kingdom.

protoorganisms
plural of protoorganism

protoplasma
Obsolete form of protoplasm.

protopod
Synonym of protopodite.

protopodite
The basal segment of the limb of a crustacean

protopodites
plural of protopodite

protopods
plural of protopod

protoptile
A feather in the first set of down in a bird that has two such sets

protoptiles
plural of protoptile

protosome
The proboscis of hemichordate animals.

protosomes
plural of protosome

protosomite
One of the primitive segments, or metameres, of an animal.

protosomites
plural of protosomite

protostegid
Any turtle in the family Protostegidae.

protostegids
plural of protostegid

protostome
Any animal, of the taxon Protostomia, in which the mouth is derived from the embryonic blastopore

protostomes
plural of protostome

prototroch
A ciliary band in the larvae of trochophores

prototrochs
plural of prototroch

protovertebra
One of the primitive masses, or segments, into which the mesoblast of the vertebrate embryo breaks up on either side of the anterior part of the notochord; a mesoblastic, or protovertebral, somite.

protovertebrae
plural of protovertebra

protozoea
A group of larval stages in the growth of decapods in which the antennae are used for movement, and mandibles for chewing.

protriaene
A spicule, of a sponge, that has three forward-pointing prongs

protriaenes
plural of protriaene

proturans
plural of proturan

provirome
The genomes of all the proviruses that inhabit a particular organism or environment

proviromes
plural of provirome

provisionals
plural of provisional

provo
Alternative letter-case form of Provo (“member of Dutch counterculture movement”).

provos
plural of provo

prowfish
A species of subtropical perciform saltwater fish, Zaprora silenus, found in the North Pacific.
An Australian prowfish (any fish of the family Pataecidae, characterized by a long dorsal fin that begins far forward on the head, forming a "prow" shape, and extends all the way to the caudal fin).

prowfishes
plural of prowfish

proxistele
The proximal portion of the tail-like appendage on a homoiostele.

proxisteles
plural of proxistele

prozymite
One who administers the Eucharist with leavened bread, in particular a member of the Eastern Orthodox Church.

prozymites
plural of prozymite

pruritogenesis
The development of pruritis (an itching sensation).

prymnesin
Any of a class of phycotoxins produced by the alga Prymnesium parvum, also toxic to fish.

prymnesins
plural of prymnesin

psamminid
A member of the order Psamminida.

psamminids
plural of psamminid

psammobiid
Any clam in the family Psammobiidae.

psammobiids
plural of psammobiid

psammophile
An arenophile, a sand-loving organism.

psammophiles
plural of psammophile

psechrid
Any member of the family Psechridae of spiders.

psechrids
plural of psechrid

pseudaelurine
Any member of the Pseudaelurus genus of fossil cats.

pseudaelurines
plural of pseudaelurine

pseudergate
The blind, wingless nymph form of a termite that performs some of the functions of a worker

pseudergates
plural of pseudergate

pseudimago
subimago

pseudimagoes
plural of pseudimago

pseudimagos
plural of pseudimago

pseudoadaptation
The apparent adaptation of an organism to a changed environment that is however accompanied by excessive stress that causes later pathological change.

pseudoadaptations
plural of pseudoadaptation

pseudoadult
A juvenile animal that has some characteristics of an adult

pseudoadults
plural of pseudoadult

pseudoalbinism
A defect in the pigmentation of animals

pseudoalbino
An animal that has pseudoalbinism

pseudoalbinos
plural of pseudoalbino

pseudocaterpillar
A disjoint caterpillar

pseudocaterpillars
plural of pseudocaterpillar

pseudocephalon
An extension of the first segment of the thorax of an insect larva

pseudocephalons
plural of pseudocephalon

pseudoclasper
A stiff, ossified lobe in the tip of the intromittent organ of a fish

pseudoclaspers
plural of pseudoclasper

pseudocolumella
A structure resembling a columella of a coral formed from its septa joining together

pseudocolumellae
plural of pseudocolumella

pseudocopulation
Any of various processes, amongst diverse animals, in which male gametes are passed from one individual to another without sexual union.
The process by which an insect (such as a bee) attempts to mate with a flower (such as an orchid) that mimics a female insect, and in doing so pollinates the plant.

pseudocopulations
plural of pseudocopulation

pseudodentition
The set of pseudoteeth of an animal

pseudodiadematid
Any member of the Pseudodiadematidae.

pseudodiadematids
plural of pseudodiadematid

pseudodragon
A small dragon-like creature, not a true dragon.

pseudodragons
plural of pseudodragon

pseudoepipleuron
A false epipleuron

pseudofossil
Any object, marking or impression that resembles a fossil but whose origin is non-biological.

pseudofossils
plural of pseudofossil

pseudogamy
gynogenesis
any reproductive process that requires pollination but does not involve male inheritance.
a type of agamospermy in which the endosperm is fertilized but the embryo is not.

pseudogene
A segment of DNA that is part of the genome of an organism, and which is similar to a gene but does not code for a gene product.

pseudogenes
plural of pseudogene

pseudogyne
An agamic or asexual female of certain insect species, such as plant-lice, that reproduce by parthenogenesis.
An ant with the thorax of a female and the abdomen and size of a worker.

pseudogynes
plural of pseudogyne

pseudohaloritid
Any ammonite in the family Pseudohaloritidae.

pseudohaloritids
plural of pseudohaloritid

pseudohamiltonians
plural of pseudohamiltonian

pseudolivid
Any member of the Pseudolividae.

pseudolivids
plural of pseudolivid

pseudomonasis
Alternative form of pseudomoniasis.

pseudomoniasis
Pseudomonas infection: a bacterial infection caused by any of various species of the genus Pseudomonas. Such infections occur in various host animals, especially certain fish; in humans immunodeficiency is typically a predisposing factor.

pseudomonosis
Synonym of pseudomoniasis.

pseudomugilid
Any member of the Pseudomugilidae.

pseudomugilids
plural of pseudomugilid

pseudomyopia
An intermittent and temporary shift in refraction of the eye towards myopia.

pseudoparasite
A temporary parasite, typically present due to accidental ingestion.
A false parasite: either a saprophyte or an epiphyte.

pseudoparasites
plural of pseudoparasite

pseudopenes
plural of pseudopenis

pseudopenis
The enlarged clitoris of the female of various species including spotted hyena, binturong, and lemur.
Anything that resembles a penis in form or function.

pseudoproct
The anal opening on the pseudembryo of an echinoderm.
A false osculum or secondary opening which replaces the original osculum of a sponge.

pseudoprocts
plural of pseudoproct

pseudopupa
A stage intermediate between the larva and pupa of bees and certain other hymenopterous insects.

pseudopupae
plural of pseudopupa

pseudoqueen
A bee that temporarily takes over the role of a lost or dead queen

pseudoqueens
plural of pseudoqueen

pseudoread
A read (sequence of genes) generated from a reference genome (rather than the genome of an actual organism)

pseudoreads
plural of pseudoread

pseudorthocerid
Any member of the Pseudorthocerida order of cephalopods

pseudorthocerids
plural of pseudorthocerid

pseudoschizont
A parasite that has some characteristics of a schizont

pseudoschizonts
plural of pseudoschizont

pseudosciurid
Any member of the Pseudosciuridae family of extinct rodents.

pseudoscule
A false osculum or secondary opening which replaces the original osculum of a sponge.

pseudoscules
plural of pseudoscule

pseudosegmentation
Apparent segmentation, typically of a nematode, by the formation of a series of rings on the body.