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cyclooxygenase-2
an enzyme that makes prostaglandins that cause inflammation and pain and fever
cyclooxygenase-2: an enzyme that makes prostaglandins that cause inflammation and pain and fever
ptyalin
an amylase secreted in saliva
ptyalin: an amylase secreted in saliva
rennet
a substance that curdles milk in making cheese and junket
rennet: a substance that curdles milk in making cheese and junket
ferment
a substance capable of bringing about fermentation
ferment: a substance capable of bringing about fermentation
substrate
the substance that is acted upon by an enzyme or ferment
substrate: the substance that is acted upon by an enzyme or ferment
amine
a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals
amine: a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals
azadirachtin
insecticide
azadirachtin: insecticide
carboxylic_acid
an organic acid characterized by one or more carboxyl groups
carboxylic_acid: an organic acid characterized by one or more carboxyl groups
saccharic_acid
a white dicarboxylic acid formed from oxidation of sugar or starch
saccharic_acid: a white dicarboxylic acid formed from oxidation of sugar or starch
sebacic_acid
a dicarboxylic acid used to make resins
sebacic_acid: a dicarboxylic acid used to make resins
sorbic_acid
a white crystalline carboxylic acid used as a preservative
sorbic_acid: a white crystalline carboxylic acid used as a preservative
valeric_acid
a clear liquid carboxylic acid used in perfumes and drugs
valeric_acid: a clear liquid carboxylic acid used in perfumes and drugs
fatty_acid
any of a class of aliphatic monocarboxylic acids that form part of a lipid molecule and can be derived from fat by hydrolysis; fatty acids are simple molecules built around a series of carbon atoms linked together in a chain of 12 to 22 carbon atoms
fatty_acid: any of a class of aliphatic monocarboxylic acids that form part of a lipid molecule and can be derived from fat by hydrolysis; fatty acids are simple molecules built around a series of carbon atoms linked together in a chain of 12 to 22 carbon atoms
saturated_fatty_acid
a fatty acid whose carbon chain cannot absorb any more hydrogen atoms; found chiefly in animal fats
saturated_fatty_acid: a fatty acid whose carbon chain cannot absorb any more hydrogen atoms; found chiefly in animal fats
unsaturated_fatty_acid
a fatty acid whose carbon chain can absorb additional hydrogen atoms
unsaturated_fatty_acid: a fatty acid whose carbon chain can absorb additional hydrogen atoms
trans_fatty_acid
a fatty acid that has been produced by hydrogenating an unsaturated fatty acid (and so changing its shape); found in processed foods such as margarine and fried foods and puddings and commercially baked goods and partially hydrogenated vegetable oils
trans_fatty_acid: a fatty acid that has been produced by hydrogenating an unsaturated fatty acid (and so changing its shape); found in processed foods such as margarine and fried foods and puddings and commercially baked goods and partially hydrogenated vegetable oils
monounsaturated_fatty_acid
an unsaturated fatty acid whose carbon chain has one double or triple valence bond per molecule; found chiefly in olive oil and chicken and almonds
monounsaturated_fatty_acid: an unsaturated fatty acid whose carbon chain has one double or triple valence bond per molecule; found chiefly in olive oil and chicken and almonds
polyunsaturated_fatty_acid
an unsaturated fatty acid whose carbon chain has more than one double or triple valence bond per molecule; found chiefly in fish and corn and soybean oil and safflower oil
polyunsaturated_fatty_acid: an unsaturated fatty acid whose carbon chain has more than one double or triple valence bond per molecule; found chiefly in fish and corn and soybean oil and safflower oil
omega-3_fatty_acid
a polyunsaturated fatty acid whose carbon chain has its first double valence bond three carbons from the beginning
omega-3_fatty_acid: a polyunsaturated fatty acid whose carbon chain has its first double valence bond three carbons from the beginning
omega-6_fatty_acid
a polyunsaturated fatty acid whose carbon chain has its first double valence bond six carbons from the beginning
omega-6_fatty_acid: a polyunsaturated fatty acid whose carbon chain has its first double valence bond six carbons from the beginning
margaric_acid
a colorless crystalline synthetic fatty acid
margaric_acid: a colorless crystalline synthetic fatty acid
ricinoleic_acid
an oily fatty acid found in castor oil and used in soap
ricinoleic_acid: an oily fatty acid found in castor oil and used in soap
fibrinopeptide
peptide released from the amino end of fibrinogen by the action of thrombin to form fibrin during clotting of the blood
fibrinopeptide: peptide released from the amino end of fibrinogen by the action of thrombin to form fibrin during clotting of the blood
polypeptide
a peptide containing 10 to more than 100 amino acids
polypeptide: a peptide containing 10 to more than 100 amino acids
peptide
amide combining the amino group of one amino acid with the carboxyl group of another; usually obtained by partial hydrolysis of protein
peptide: amide combining the amino group of one amino acid with the carboxyl group of another; usually obtained by partial hydrolysis of protein
aminobenzoic_acid
a derivative of benzoic acid
aminobenzoic_acid: a derivative of benzoic acid
amino_plastic
a plastic (synthetic resin) made from amino compounds; used as an adhesive and as a coating for paper and textiles
amino_plastic: a plastic (synthetic resin) made from amino compounds; used as an adhesive and as a coating for paper and textiles
ammonia
a pungent gas compounded of nitrogen and hydrogen (NH3)
ammonia: a pungent gas compounded of nitrogen and hydrogen (NH3)
ammine
a complex inorganic compound that contains ammonia molecules
ammine: a complex inorganic compound that contains ammonia molecules
ammonia_water
a water solution of ammonia
ammonia_water: a water solution of ammonia
ammoniac
the aromatic gum of the ammoniac plant
ammoniac: the aromatic gum of the ammoniac plant
ammonium
the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion
ammonium: the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion
ammonium_carbamate
a salt of carbamic acid that is used as a nitrogen fertilizer
ammonium_carbamate: a salt of carbamic acid that is used as a nitrogen fertilizer
ammonium_carbonate
a carbonate of ammonium; used in the manufacture of smelling salts and baking powder and ammonium compounds
ammonium_carbonate: a carbonate of ammonium; used in the manufacture of smelling salts and baking powder and ammonium compounds
ammonium_chloride
a white salt used in dry cells
ammonium_chloride: a white salt used in dry cells
amyl_alcohol
a mixture of 2 or more isomeric alcohols; used as a solvent and in organic synthesis
amyl_alcohol: a mixture of 2 or more isomeric alcohols; used as a solvent and in organic synthesis
phytohormone
(botany) a plant product that acts like a hormone
phytohormone: (botany) a plant product that acts like a hormone
auxin
a plant hormone that promotes root formation and bud growth
auxin: a plant hormone that promotes root formation and bud growth
gibberellin
a plant hormone isolated from a fungus; used in promoting plant growth
gibberellin: a plant hormone isolated from a fungus; used in promoting plant growth
gibberellic_acid
a crystalline acid associated with gibberellin
gibberellic_acid: a crystalline acid associated with gibberellin
kinin
any of a class of plant hormones that promote cell division and delay the senescence of leaves
kinin: any of a class of plant hormones that promote cell division and delay the senescence of leaves
steroid_hormone
any hormone affecting the development and growth of sex organs
steroid_hormone: any hormone affecting the development and growth of sex organs
corticosterone
secreted by the adrenal cortex; involved in regulating water and electrolyte balance in the body
corticosterone: secreted by the adrenal cortex; involved in regulating water and electrolyte balance in the body
progesterone
a steroid hormone (trade name Lipo-Lutin) produced in the ovary; prepares and maintains the uterus for pregnancy
progesterone: a steroid hormone (trade name Lipo-Lutin) produced in the ovary; prepares and maintains the uterus for pregnancy
megestrol
a synthetic progestational compound used to treat endometrial carcinoma
megestrol: a synthetic progestational compound used to treat endometrial carcinoma
norethindrone
a synthetic progestational hormone (trade name Norlutin) used in oral contraceptives and to treat endometriosis
norethindrone: a synthetic progestational hormone (trade name Norlutin) used in oral contraceptives and to treat endometriosis
norethynodrel
a progesterone derivative used in oral contraceptives and in the control of menstruation and the treatment of abnormal uterine bleeding
norethynodrel: a progesterone derivative used in oral contraceptives and in the control of menstruation and the treatment of abnormal uterine bleeding
norgestrel
synthetic progestin used in oral contraceptives
norgestrel: synthetic progestin used in oral contraceptives
medroxyprogesterone
a progestin compound (trade name Provera) used to treat menstrual disorders
medroxyprogesterone: a progestin compound (trade name Provera) used to treat menstrual disorders
progestin
any of a group of steroid hormones that have the effect of progesterone
progestin: any of a group of steroid hormones that have the effect of progesterone
androgen
male sex hormone that is produced in the testes and responsible for typical male sexual characteristics
androgen: male sex hormone that is produced in the testes and responsible for typical male sexual characteristics
adrenosterone
a steroid having androgenic activity; obtained from the cortex of the adrenal gland
adrenosterone: a steroid having androgenic activity; obtained from the cortex of the adrenal gland
androsterone
an androgenic hormone that is less active than testosterone
androsterone: an androgenic hormone that is less active than testosterone
methyltestosterone
an androgenic compound contained in drugs that are used to treat testosterone deficiency and female breast cancer and to stimulate growth and weight gain
methyltestosterone: an androgenic compound contained in drugs that are used to treat testosterone deficiency and female breast cancer and to stimulate growth and weight gain
nandrolone
an androgen (trade names Durabolin or Kabolin) that is used to treat testosterone deficiency or breast cancer or osteoporosis
nandrolone: an androgen (trade names Durabolin or Kabolin) that is used to treat testosterone deficiency or breast cancer or osteoporosis
testosterone
a potent androgenic hormone produced chiefly by the testes; responsible for the development of male secondary sex characteristics
testosterone: a potent androgenic hormone produced chiefly by the testes; responsible for the development of male secondary sex characteristics
follicle-stimulating_hormone
a gonadotropic hormone that is secreted by the anterior pituitary and stimulates growth of Graafian follicles in female mammals, and activates the cells in male mammals that form sperm
follicle-stimulating_hormone: a gonadotropic hormone that is secreted by the anterior pituitary and stimulates growth of Graafian follicles in female mammals, and activates the cells in male mammals that form sperm
human_chorionic_gonadotropin
hormone produced early in pregnancy by the placenta; detection in the urine and serum is the basis for one kind of pregnancy test
human_chorionic_gonadotropin: hormone produced early in pregnancy by the placenta; detection in the urine and serum is the basis for one kind of pregnancy test
luteinizing_hormone
a gonadotropic hormone that is secreted by the anterior pituitary; stimulates ovulation in female mammals and stimulates androgen release in male mammals
luteinizing_hormone: a gonadotropic hormone that is secreted by the anterior pituitary; stimulates ovulation in female mammals and stimulates androgen release in male mammals
prolactin
gonadotropic hormone secreted by the anterior pituitary; in females it stimulates growth of the mammary glands and lactation after parturition
prolactin: gonadotropic hormone secreted by the anterior pituitary; in females it stimulates growth of the mammary glands and lactation after parturition
estrogen
a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics
estrogen: a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics
diethylstilbestrol
a potent estrogen used in medicine and in feed for livestock and poultry
diethylstilbestrol: a potent estrogen used in medicine and in feed for livestock and poultry
estradiol
the most powerful female hormone that occurs naturally; synthesized and used to treat estrogen deficiency and breast cancer
estradiol: the most powerful female hormone that occurs naturally; synthesized and used to treat estrogen deficiency and breast cancer
estriol
a naturally occurring estrogenic hormone; a synthetic form is used to treat estrogen deficiency
estriol: a naturally occurring estrogenic hormone; a synthetic form is used to treat estrogen deficiency
estrone
a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency
estrone: a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency
hexestrol
estrogen compound used to treat menstrual irregularities and menopausal symptoms and to prevent pregnancy
hexestrol: estrogen compound used to treat menstrual irregularities and menopausal symptoms and to prevent pregnancy
mestranol
a synthetic form of estrogen used in combination with a progestin in oral contraceptives
mestranol: a synthetic form of estrogen used in combination with a progestin in oral contraceptives
corticosteroid
a steroid hormone produced by the adrenal cortex or synthesized; administered as drugs they reduce swelling and decrease the body's immune response
corticosteroid: a steroid hormone produced by the adrenal cortex or synthesized; administered as drugs they reduce swelling and decrease the body's immune response
mineralocorticoid
hormone that is one of the steroids of the adrenal cortex that influences the metabolism of sodium and potassium
mineralocorticoid: hormone that is one of the steroids of the adrenal cortex that influences the metabolism of sodium and potassium
glucocorticoid
a steroid hormone that is produced by the adrenal cortex of animals; affects functioning of gonads and has anti-inflammatory activity
glucocorticoid: a steroid hormone that is produced by the adrenal cortex of animals; affects functioning of gonads and has anti-inflammatory activity
glucosamine
an amino derivative of glucose that is a component of many polysaccharides
glucosamine: an amino derivative of glucose that is a component of many polysaccharides
aldosterone
a corticosteroid hormone that is secreted by the cortex of the adrenal gland; regulates salt (sodium and potassium) and water balance
aldosterone: a corticosteroid hormone that is secreted by the cortex of the adrenal gland; regulates salt (sodium and potassium) and water balance
hydrocortisone
an adrenal-cortex hormone (trade names Hydrocortone or Cortef) that is active in carbohydrate and protein metabolism
hydrocortisone: an adrenal-cortex hormone (trade names Hydrocortone or Cortef) that is active in carbohydrate and protein metabolism
cortisone
a corticosteroid hormone (trade name Cortone Acetate) normally produced by the adrenal cortex; is converted to hydrocortisone
cortisone: a corticosteroid hormone (trade name Cortone Acetate) normally produced by the adrenal cortex; is converted to hydrocortisone
prednisolone
a glucocorticoid (trade names Pediapred or Prelone) used to treat inflammatory conditions
prednisolone: a glucocorticoid (trade names Pediapred or Prelone) used to treat inflammatory conditions
prednisone
a dehydrogenated analogue of cortisol (trade names Orasone or Deltasone or Liquid Pred or Meticorten); used as an anti-inflammatory drug in the treatment of arthritis and as an immunosuppressant
prednisone: a dehydrogenated analogue of cortisol (trade names Orasone or Deltasone or Liquid Pred or Meticorten); used as an anti-inflammatory drug in the treatment of arthritis and as an immunosuppressant
dexamethasone
a corticosteroid drug (trade names Decadron or Dexamethasone Intensol or Dexone or Hexadrol or Oradexon) used to treat allergies or inflammation
dexamethasone: a corticosteroid drug (trade names Decadron or Dexamethasone Intensol or Dexone or Hexadrol or Oradexon) used to treat allergies or inflammation
spironolactone
a synthetic corticosteroid (trade name Aldactone) used to treat hypertension
spironolactone: a synthetic corticosteroid (trade name Aldactone) used to treat hypertension
acid_dye
dye in which the chromophore is part of a negative ion
acid_dye: dye in which the chromophore is part of a negative ion
aniline
oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines
aniline: oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines
alizarin_yellow
any of various yellow dyes; not related chemically to alizarin but applied in the same manner
alizarin_yellow: any of various yellow dyes; not related chemically to alizarin but applied in the same manner
anil
a blue dye obtained from plants or made synthetically
anil: a blue dye obtained from plants or made synthetically
aniline_dye
any of many dyes made from aniline
aniline_dye: any of many dyes made from aniline
animal_oil
any oil obtained from animal substances
animal_oil: any oil obtained from animal substances
drying_oil
an oil that hardens in air due to oxidation and is often used as a paint or varnish base
drying_oil: an oil that hardens in air due to oxidation and is often used as a paint or varnish base
animal_material
material derived from animals
animal_material: material derived from animals
animal_pigment
pigment occurring in animals
animal_pigment: pigment occurring in animals
arsine
a poisonous colorless flammable gas used in organic synthesis and to dope transistors and as a poison gas in warfare
arsine: a poisonous colorless flammable gas used in organic synthesis and to dope transistors and as a poison gas in warfare
bilirubin
an orange-yellow pigment in the bile that forms as a product of hemoglobin; excess amounts in the blood produce the yellow appearance observed in jaundice
bilirubin: an orange-yellow pigment in the bile that forms as a product of hemoglobin; excess amounts in the blood produce the yellow appearance observed in jaundice
urobilin
brown bile pigment formed from urobilinogens and found in feces and in small amounts in urine
urobilin: brown bile pigment formed from urobilinogens and found in feces and in small amounts in urine
urobilinogen
a chromogen formed in the intestine from the breakdown of bilirubin; yields urobilins on oxidation; some is excreted in the feces and some is resorbed and excreted in bile or urine
urobilinogen: a chromogen formed in the intestine from the breakdown of bilirubin; yields urobilins on oxidation; some is excreted in the feces and some is resorbed and excreted in bile or urine
luciferin
pigment occurring in luminescent organisms (as fireflies); emits heatless light when undergoing oxidation
luciferin: pigment occurring in luminescent organisms (as fireflies); emits heatless light when undergoing oxidation
melanin
insoluble pigments that account for the color of e.g. skin and scales and feathers
melanin: insoluble pigments that account for the color of e.g. skin and scales and feathers
dentine
a calcareous material harder and denser than bone that comprises the bulk of a tooth
dentine: a calcareous material harder and denser than bone that comprises the bulk of a tooth
ivory
a hard smooth ivory colored dentine that makes up most of the tusks of elephants and walruses
ivory: a hard smooth ivory colored dentine that makes up most of the tusks of elephants and walruses
fluff
any light downy material
fluff: any light downy material
bone
the porous calcified substance from which bones are made
bone: the porous calcified substance from which bones are made
horn
the material (mostly keratin) that covers the horns of ungulates and forms hooves and claws and nails
horn: the material (mostly keratin) that covers the horns of ungulates and forms hooves and claws and nails
whalebone
a horny material from the upper jaws of certain whales; used as the ribs of fans or as stays in corsets
whalebone: a horny material from the upper jaws of certain whales; used as the ribs of fans or as stays in corsets
tortoiseshell
the mottled horny substance of the shell of some turtles
tortoiseshell: the mottled horny substance of the shell of some turtles