Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z lacticin A particular bacteriocin produced by the bacterium Lactococcus lactis. lacticinia Dairy products. lacticol A polyhydric alcohol (polyol) derived from lactose, used as a sweetener lactide Any of a class of heterocyclic compounds, formally acid anhydrides, formed by heating α-lactones lactiferous Able to secrete milk or a milky fluid such as latex. lactiferousness The quality of being lactiferous. lactific Producing or yielding milk. lactification The whitening of a black race. lactifluous flowing with milk lactiform Resembling milk; milky. lactifugal Acting as a lactifuge, or otherwise pertaining to the control or limitation of milk secretion or consumption. lactifuge A medicine to check the secretion of milk, or to dispel a supposed accumulation of milk in any part of the body lactify To become milky. lactigenic Synonym of lactigenous (“producing milk”). lactigenous That produces milk lactim Any of a class of cyclic hydroxy-imides (enols) that are tautomeric with the lactams. lactimide A white crystalline substance obtained as an anhydride of alanine, and regarded as an imido derivative of lactic acid. lactimidomycin A particular glutarimide antibiotic lactin lactose lactisole The sodium salt of 2-(4-methoxyphenoxy)propionic acid. It is an antisweet compound. lactitol A sugar alcohol, 4-O-α-D-galactopyranosyl-D-glucitol, derived from lactulose; it is used as an artificial sweetener (E966). lactivism The advocacy of breastfeeding, and especially of the right to nurse children in public. lactivist A supporter of breastfeeding, and especially of the right to nurse children in public; one who engages in lactivism. lactivore An animal with a diet consisting mainly of milk or other dairy products. lactivorous Feeding or subsisting upon milk. lactobacillar Relating to lactobacillus lactobacillary Relating to the lactobacilli lactobacillemia The presence of lactobacilli in the blood lactobacillic Related to lactobacillic acid and its derivatives lactobacillogenic That leads to the proliferation of lactobacilli lactobacillus Any of many rod-shaped, nonmotile, aerobic bacteria, of the genus Lactobacillus, that ferment sugars to form lactic acid lactobacterium Any bacterium of the order Lactobacillales lactobionate Any salt or ester of lactobionic acid lactobiose lactose lactobutyrometer An instrument for determining the amount of butterfat in milk. lactocele Galactocele. lactocepin A lactococcal cell envelope-associated proteinase lactocerebroside Any cerebroside in which the sugar component is lactose lactochrome A form of riboflavin present in milk lactocin Any of a class of bacteriocins produced by Lactobacillus bacteria. lactococcal Relating to bacteria of the genus Lactococcus. lactococcin Any of a group of bacteriocins produced by Lactococcus bacteria. lactococcosis Any disease caused by infection with Lactococcus bacteria lactococcus Any bacterium of the genus Lactococcus lactocrite An apparatus for testing the quantity of fatty substance in a sample of milk. lactocyclicin A cyclic bacteriocin present in bacteria of the genus Lactococcus. lactocyte A milk-producing cell in the mammary epithelium. lactodehydrogenase Synonym of lactate dehydrogenase. lactodensimeter A lactometer lactoderm Milk skin. lactodifucotetraose An oligosaccharide composed of lactose with two added fucose moieties lactofen A selective herbicide derived from acifluorfen lactoferment To cause (something) to undergo lactofermentation, i.e. lactic acid fermentation. lactofermentation Lactic acid fermentation, a process by which certain sugars are converted into lactic acid, used especially to produce certain pickled/fermented foods such as sauerkraut and narezushi. lactoferrampin An antimicrobial peptide related to lactoferrin lactoferricin Any of a group of amphipathic, cationic peptides with antimicrobial and anticancer properties lactoferrin A globular multifunctional protein with antimicrobial activity, found in milk and many mucosal secretions such as tears and saliva lactoflavin riboflavin lactofuchsin A mounting medium, composed of fuchsin in lactic acid, and stain for the microscopic study of fungi lactogen A polypeptide placental hormone, part of the somatotropin family, with structure and function similar to those of growth hormone. It modifies the metabolic state of the mother during pregnancy to facilitate the energy supply of the fetus. lactogenesis The secretion of milk by the mammary glands lactogenic that induces lactation lactogenically In a lactogenic manner lactoglobulin The globulin content of milk lactoglutamate A solution of lactate and glutamate that is used to stabilize biological material when freeze-dried lactoglutathione The S-lactoyl derivative of glutathione lactoglyceride Any glyceride (glycerol ester) of lactic acid lactoglycerol An aqueous solution of lactic acid and glycerol that is used in cytology lactol any cyclic hemiacetal formed by the intramolecular addition of a hydroxy group to a carbonyl group lactolate To react lactose with a peptide or protein lactolation The reaction of lactose with a peptide or protein lactolysis the hydrolysis of lactose (typically by a galactosidase) lactomer A copolymer of glycolide and lactide used as a suture lactometer A device that estimates the cream content of milk by measuring its specific gravity. lactometric Relating to the lactometer or lactometry. lactometry Measurement with a lactometer. lactonase A metalloenzyme, produced by certain bacteria, that targets and inactivates acylated homoserine lactones (AHLs) lactonazi An overzealous lactivist. lactone A cyclic intramolecular ester derived from a hydroxy acid. lactonic Of, relating to, or derived from, lactone. lactonitrile The nitrile of lactic acid 2-hydroxypropanenitrile lactonization Reaction with, or conversion into a lactone. lactonize To convert (a hydroxy acid) into a lactone lactonized Converted into a lactone by internal condensation lactonohydrolase An enzyme that catalyzes the hydrolysis of intramolecular carboxylic ester bonds within lactone rings. lactonolysis The hydrolysis of a lactone lactonolytic Relating to lactonolysis lactoovovegetarian A vegetarian who also eats eggs and dairy products. lactoperoxidase A peroxidase found in, e.g., milk and saliva. lactophenol A solution of phenol and lactic acid in glycerol and water. It is a component of the biological stain lactophenol cotton blue. lactophile A person or animal that has an attraction to milk, dairy products or lactic acid. lactophilia a sexual fetish for lactating breasts and breastfeeding lactophorin A phosphoglycoprotein present in milk lactopoiesis The production of milk by the mammary glands lactoprotein Any protein (such as casein) present in milk lactoquinomycin A particular quinoid antibiotic that has anticancer properties lactoridaceous Of or relating to the Lactoridaceae. lactorrhea Synonym of galactorrhea. lactory Lactiferous. lactosamine An amino derivative of lactose that is found in many biologically active carbohydrates lactosaminoglycan Any glycan derived from lactosamine lactoscope An instrument for estimating the amount of cream in milk, based on its relative opacity lactose The disaccharide sugar of milk and dairy products, C₁₂H₂₂O₁₁, a product of glucose and galactose used as a food and in medicinal compounds. lactoseries A class of glycosphingolipids containing the sequence Galβ(1,3)GlcNAcβ(1,3)Galβ(1,4)Glcβ-Cer (galactose, N-acetylglucosamine, galactose, glucose, ceramide). lactoserum Synonym of whey. lactosidase Any enzyme that catalyses the hydrolysis of a lactoside lactoside Any glycoside of lactose lactosis lactic acidosis lactosomatotroph A somatotroph that produces prolactin lactosome A micelle, containing lipid and protein, found in milk lactosucrose The trisaccharide 4(G)-beta-D-galactosylsucrose lactosuria The presence of lactose in the urine. lactosyl The univalent radical derived from the hemiacetal form of lactose lactosylated Modified by lactosylation lactosylation Reaction with a lactosyl group lactosylceramidase An enzyme that removes lactose from ceramide derivatives (lactocerebrosides) lactosylceramide Any glycosylceramide containing lactose lactosylsphingosine A glycoside of lactose and sphingosine lactotetraose A tetraose related to lactose lactotetraosylceramide Any lactotetraose derivative of a ceramide lactothermometer A combined lactometer and thermometer. lactotransferrin lactoferrin lactotrope Synonym of lactotroph. lactotroph A cell in the pituitary gland which produce prolactin in response to certain hormones. lactotrophic Of, or pertaining to, lactotrophs lactotropic Synonym of lactotrophic. lactotropin Prolactin; a peptide gonadotrophic hormone secreted by the pituitary gland that stimulates growth of the mammary glands and lactation in females. lactovegetarian A person whose diet excludes meat and eggs, but includes dairy products. lactovegetarianism The practice of following a lactovegetarian diet. lactoyl The univalent radical CH₃CH(OH)CO− derived from lactic acid lactoylglutathione An S-lactoyl derivative of the amino-acid glutathione lactucarium The thickened juice of certain varieties of lettuce, used as a drug for its sedative and analgesic properties. lactucaxanthin A hydroxylated carotenoid found in plants of the genus Lactuca. lactucerin β-lactucerol. lactucin One of the essential ingredients of lactucarium, having analgesic and sedative properties. lactucon Synonym of lactucerin. lactucone A white, crystalline, tasteless substance found in the milky sap of species of Lactuca, and constituting an essential ingredient of lactucarium. lactucopicrin A sesquiterpene lactone with sedative and analgesic effects, found in lactucarium. lactulose A synthetic disaccharide C₁₂H₂₂O₁₁ consisting of galactose and fructose units, used as a laxative for chronic constipation and as an acidifier to reduce blood ammonia levels causing neurological symptoms in advanced liver disease. It is used in solution for oral or rectal administration. lactyl A univalent radical derived from lactic acid lactylate Any salt or ester of a lactylic acid. lactylation The process of adding lactate, such as in a protein modification. lactylic Of or pertaining to lactic acid alcohol derivatives. Lacub A municipality of Abra, Cordillera Administrative Region, Luzon, Philippines. Lacuben A barangay of Badoc, Ilocos Norte, Philippines. lacuna A small opening; a small pit or depression, especially in bone. lacunal Of or pertaining to a lacuna, like a lacuna. lacunar A sunken panel or coffer in a ceiling or a soffit; a ceiling containing panels of this kind. lacunaria sunken panels; coffers lacunarity The quality or degree of being lacunar.