preprotocol
A preliminary or prior protocol

preprotocols
plural of preprotocol

preprotoxin
The precursor of a protoxin

preprotoxins
plural of preprotoxin

prequeuosine
A precursor of queuosine

preribosome
A structure of proteins that develops into a ribosome

preribosomes
plural of preribosome

preroutine
A routine carried out in advance of something else.

preroutines
plural of preroutine

presbyacousia
presbycusis

presenilin
Any of a class of transmembrane proteins

presenilinase
A protease that targets presenilin

presenilins
plural of presenilin

prespermatogonia
plural of prespermatogonium

prespermatogonium
The precursor of spermatogonia

prespliceosome
A collection of proteins that is the precursor of a spliceosome

prespliceosomes
plural of prespliceosome

presqualene
A metabolic precursor of squalene composed of two farnesyl moieties

pressoreceptor
A baroreceptor.

pressoreceptors
plural of pressoreceptor

prestin
A protein in the hairs of the inner ear

prestins
plural of prestin

presulfiding
Treatment with sulfur or sulfide prior to some other operation

presulfidings
plural of presulfiding

pretalk
A talk given in advance, such as encouragement before a sports match, or explanatory material prior to hypnosis.

pretalks
plural of pretalk

prethcamide
A respiratory stimulant composed of cropropamide and crotethamide.

prethiolase
A thiolase precursor

prethiolases
plural of prethiolase

prethrombin
A subunit of prothrombin

pretubulysin
A tubulysin precursor (2S,4R)-2-methyl-4-[[2-[(3R)-4-methyl-3-[methyl-[(2S,3S)-3-methyl-2-[[(2R)-1-methylpiperidine-2-carbonyl]amino]pentanoyl]amino]pentyl]-1,3-thiazole-4-carbonyl]amino]-5-phenylpentanoic acid

pretubulysins
plural of pretubulysin

preuroporphyrinogen
hydroxymethylbilane

prezizane
A tricyclic terpene found in agarwood.

prezizanes
plural of prezizane

prezoea
The precursor stage of a zoea

prezoeae
plural of prezoea

primarosol
An original soil that has been modified by erosion etc

primarosols
plural of primarosol

primeverase
Synonym of betulase.

primeverosidase
beta-glucosidase

primina
Alternative form of primine

primine
The outermost integument of an ovule (if it has two)

primines
plural of primine

primocane
A fruit cane in its first year of growth, especially that of a bramble.

primocanes
plural of primocane

primosome
A complex of proteins required for the initiation of bacterial DNA synthesis

primosomes
plural of primosome

primulin
An anthocyanin, the 3-galactoside of malvidin, found in Primula sinensis.

primuline
Archaic form of primulin.

primulines
plural of primuline

primulins
plural of primulin

principalist
A radical conservative.

principalists
plural of principalist

prionisation
Alternative form of prionization.

prionization
The misfolding of a protein to form a prion

prionochezia
The excretion of prions in the feces.

pristane
A natural saturated terpenoid alkane, 2,6,10,14-tetramethylpentadecane, used as a lubricant, an anticorrosion agent, and in medical research

pristanes
plural of pristane

pristanoyl
The acyl radical derived from pristanic acid.

proaccelerin
Factor V, a protein of the coagulation system.

proacrosin
A protein that is a precursor of acrosin.

proadifen
An inhibitor of cytochrome P450 enzymes, preventing some types of drug metabolism.

proaerolysin
The protoxin of aerolysin

proamphiregulin
A growth factor that promotes formation of amphiregulin

proanthocyanidin
An antioxidant flavonoid with possible health benefits, found in many plant sources, including apples, bilberry, grapeseed, pine bark, and black chokeberry.

proanthocyanidine
Alternative form of proanthocyanidin.

proanthocyanidines
plural of proanthocyanidine

proanthocyanidins
plural of proanthocyanidin

proapolipoprotein
A metabolic precursor of apolipoproteins

proapolipoproteins
plural of proapolipoprotein

proarrhythmia
cardiac arrhythmia typically initiated by a therapeutic drug

proazaphosphatrane
The nonionic base of an azaphosphatrane

proazaphosphatranes
plural of proazaphosphatrane

probasin
A protein expressed in the epithelial cells of the prostate.

probasisternite
A cuticular element, ventral of the tympanal membrane, in some dipterans

probasisternites
plural of probasisternite

probiont
Synonym of protobiont.

probionts
plural of probiont

problematica
Fossil specimens or elements that cannot be identified or assigned to a taxon.

procapsid
A capsid that contains no viral nucleic acid.

procapsids
plural of procapsid

procaspase
Any of a family of proteins that are the precursors of caspase

procaspases
plural of procaspase

procathepsin
Any of a family of proteins that are involved in the production of cathepsins

procathepsins
plural of procathepsin

processome
A complex of proteins associated with ribosome biogenesis.

processomes
plural of processome

prochemerin
A precursor of chemerin.

prochiralities
plural of prochirality

prochirality
The property exhibited by a prochiral molecule or other entity; protostereoisomerism.

prochitinase
A compound that promotes the formation of a chitinase

prochitinases
plural of prochitinase

prochromosome
A condensed, heterochromatic portion of a chromosome that remains visible during the resting (interphase) nucleus stage.

prochromosomes
plural of prochromosome

prochymosin
The precursor of chymosin

procofactor
An inactive material that becomes a cofactor once activated

procofactors
plural of procofactor

procollagen
The precursor of collagen; it is formed in fibroblasts and converted to collagen by a peptidase.

procollagens
plural of procollagen

proconvertase
A proteolytic convertase

proconvertases
plural of proconvertase

proconvertin
An enzyme of the serine protease class.

proctolin
A particular neuropeptide present in several insects

procyclin
A protein developed in the surface coating of trypanosomes whilst in the fly vector.

procyclins
plural of procyclin

procytokine
A proinflammatory cytokine

procytokines
plural of procytokine

prodefensin
Any of a class of matrix proteins that are precursors to defensins.

prodefensins
plural of prodefensin

prodelphinidin
The polymeric tannins, composed of gallocatechin, that yield delphinidin during depolymerization under oxidative conditions.

prodelphinidins
plural of prodelphinidin

prodilidine
An opioid analgesic, a ring-contracted analogue of prodine.

proelastase
A precursor of elastase.

proelastases
plural of proelastase

proenkephalin
A precursor of leuenkephalin and metenkephalin.

proenkephalins
plural of proenkephalin

proenzym
Archaic form of proenzyme.

proenzyme
Any inactive precursor of an enzyme that is converted to an enzyme by proteolysis; a zymogen.

proenzymes
plural of proenzyme

proenzyms
plural of proenzym

proepithelin
A growth factor and regulator of proliferation, that is converted to epithelins

proepithelins
plural of proepithelin

profenamine
A phenothiazine derivative used as an antiparkinsonian agent.

proffee
Coffee mixed with a protein shake or protein powder, creating a drink that provides both caffeine and protein.

proffees
plural of proffee

profibril
A cluster of fibrin molecules that becomes a protofibril

profibrils
plural of profibril

profibrinolysin
Synonym of plasminogen.

profluvia
plural of profluvium

profluvium
A copious discharge of fluid, especially a bodily fluid.

progastrin
The inactive precursor of gastrin

progelatinase
A precursor of gelatinases

progelatinases
plural of progelatinase

progerin
A truncated version of the protein lamin A, involved in progeria.

proghrelin
Any of a class of peptides produced by ghrelin cells of the gastric mucosa

proghrelins
plural of proghrelin

proglutelin
A glutelin precursor

proglutelins
plural of proglutelin

prohead
A procapsid.

prohemolysin
A precursor of hemolysin

prohepcidin
A propeptide that is a precursor of hepcidin

prohibitin
A protein, found in almost all living things, thought to have multiple functions.

prohibitins
plural of prohibitin