Cypripedium californicum
1: often having many yellow-green orchids with white pouches growing along streams and seeps of southwestern Oregon and northern California [syn: {California lady's slipper}]
Cypripedium fasciculatum
1: clusters of several short stems each having 2 broad leaves and 2-4 drooping brownish to greenish flowers with pouches mottled with purple; British Columbia to central California and northern Colora...
Cypripedium montanum
1: leafy plant having a few stems in a clump with 1 white and dull purple flower in each upper leaf axil; Alaska to northern California and Wyoming [syn: {mountain lady's slipper}]
Cypripedium parviflorum
1: maroon to purple-brown orchid with yellow lip; Europe, North America and Japan [syn: {yellow lady's slipper}, {yellow lady-slipper}, {Cypripedium calceolus}]
Cypripedium reginae
1: pale pink wild orchid of northeastern America having an inflated pouchlike lip [syn: {common lady's-slipper}, {showy lady's-slipper}, {showy lady slipper}, {Cypripedium album}]
cyproheptadine
1: an antihistamine (trade name Periactin) used to treat some allergic reactions [syn: {Periactin}]
Cyprus
1: a country on the island of Cyprus; 80% of the people are of Greek origin and 20% or Turkish origin [syn: {Republic of Cyprus}] 2: an island in the eastern Mediterranean
Cyril Burt
1: English psychologist whose studies of twins were later said to have used fabricated data (1883-1971) [syn: {Burt}, {Cyril Lodowic Burt}]
Cyril Lodowic Burt
1: English psychologist whose studies of twins were later said to have used fabricated data (1883-1971) [syn: {Burt}, {Cyril Burt}]
Cyril Northcote Parkinson
1: British historian noted for ridicule of bureaucracies (1909-1993) [syn: {Parkinson}, {C. Northcote Parkinson}]
cyrilla
1: shrub or small tree of southeastern United States to West Indies and Brazil; grown for the slender racemes of white flowers and orange-crimson foliage [syn: {leatherwood}, {white titi}, {Cyrilla ra...
cyrilla family
1: shrubs and trees with leathery leaves and small white flowers in racemes: genera Cyrilla and Cliftonia [syn: {Cyrilliaceae}, {family Cyrilliaceae}, {titi family}]
Cyrilla racemiflora
1: shrub or small tree of southeastern United States to West Indies and Brazil; grown for the slender racemes of white flowers and orange-crimson foliage [syn: {cyrilla}, {leatherwood}, {white titi}]
Cyrilliaceae
1: shrubs and trees with leathery leaves and small white flowers in racemes: genera Cyrilla and Cliftonia [syn: {family Cyrilliaceae}, {cyrilla family}, {titi family}]
Cyrillic
1: relating to or written in the alphabet used for writing Slavic languages; "Cyrillic writing" n : an alphabet drived from the Greek alphabet and used for writing Slavic languages [syn: {Cyrillic alp...
Cyrillic alphabet
1: an alphabet drived from the Greek alphabet and used for writing Slavic languages [syn: {Cyrillic}]
Cyrtomium
1: small genus of tropical Asiatic greenhouse ferns; in some classifications placed in Polypodiaceae [syn: {genus Cyrtomium}]
Cyrtomium aculeatum
1: tropical Old World fern having glossy fronds suggestive of holly; sometimes placed in genus Polystichum [syn: {holly fern}, {Polystichum aculeatum}]
Cyrus
1: Persian prince who was defeated in battle by his brother Artaxerxes II (424-401 BC) [syn: {Cyrus the Younger}]
Cyrus Hall McCormick
1: United States inventor and manufacturer of a mechanical harvester (1809-1884) [syn: {McCormick}, {Cyrus McCormick}]
Cyrus II
1: king of Persia and founder of the Persian empire (circa 600-529 BC) [syn: {Cyrus the Elder}, {Cyrus the Great}]
Cyrus McCormick
1: United States inventor and manufacturer of a mechanical harvester (1809-1884) [syn: {McCormick}, {Cyrus Hall McCormick}]
Cyrus the Elder
1: king of Persia and founder of the Persian empire (circa 600-529 BC) [syn: {Cyrus II}, {Cyrus the Great}]
Cyrus the Great
1: king of Persia and founder of the Persian empire (circa 600-529 BC) [syn: {Cyrus II}, {Cyrus the Elder}]
Cyrus the Younger
1: Persian prince who was defeated in battle by his brother Artaxerxes II (424-401 BC) [syn: {Cyrus}]
cyst
1: a closed sac that develops abnormally in some body structure 2: a small anatomically normal sac or bladderlike structure (especially one containing fluid) [syn: {vesicle}]
cysteine
1: an amino acid containing sulfur that is found in most proteins; oxidizes on exposure to air to form cystine
cystic
1: of or relating to a normal cyst (as the gallbladder or urinary bladder) 2: of or relating to or resembling a cyst
cystic artery
1: a branch of the hepatic artery; supplies the gall bladder and the surface of the liver [syn: {arteria cystica}]
cystic breast disease
1: the presence of one or more cysts in a breast [syn: {fibrocystic breast disease}, {fibrocystic disease of the breast}, {cystic mastitis}]
cystic fibrosis
1: the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; there is no cure [syn: {CF}, {fibrocystic disea...
cystic mastitis
1: the presence of one or more cysts in a breast [syn: {fibrocystic breast disease}, {fibrocystic disease of the breast}, {cystic breast disease}]
cystic vein
1: vein that drains the gallbladder [syn: {vena cystica}]
cystine
1: a crystalline amino acid found in proteins (especially keratin); discovered in bladder stones
cystitis
1: inflammation of the urinary bladder and ureters
cystocele
1: hernia in which the urinary bladder protrudes through the wall of the vagina; sometimes occurs after childbirth [syn: {colpocystocele}]
cystolith
1: a calculus formed in the bladder [syn: {bladder stone}]
cystoparalysis
1: paralysis of the urinary bladder [syn: {cystoplegia}]
Cystophora
1: hooded seals [syn: {genus Cystophora}]
Cystophora cristata
1: medium-sized blackish-gray seal with large inflatable sac on the head; of Arctic and northern Atlantic waters [syn: {hooded seal}, {bladdernose}]
cystoplegia
1: paralysis of the urinary bladder [syn: {cystoparalysis}]
Cystopteris
1: chiefly small perennial rock ferns: bladder ferns; in some classifications placed in Polypodiaceae [syn: {genus Cystopteris}]
Cystopteris bulbifera
1: North American fern often bearing bulbils on the leaflets [syn: {bulblet fern}, {bulblet bladder fern}, {berry fern}]
Cystopteris fragilis
1: delicate fern widely distributed in North America and European having thin pinnatifid fronds with brittle stems [syn: {brittle bladder fern}, {brittle fern}, {fragile fern}]
Cystopteris montana
1: fern of rocky mountainous areas of hemisphere [syn: {mountain bladder fern}]
Cytesis proliferus
1: shrub of Canary Islands having bristle-tipped oblanceolate leaves; used as cattle fodder [syn: {tagasaste}, {Chamaecytisus palmensis}]
Cytherea
1: goddess of love and beauty and daughter of Zeus in ancient mythology; identified with Roman Venus [syn: {Aphrodite}]
cytidine
1: a nucleoside component of DNA; composed of cytosine and deoxyribose [syn: {deoxycytidine}]
Cytisus
1: large genus of stiff or spiny evergreen or deciduous Old World shrubs: broom [syn: {genus Cytisus}]
Cytisus albus
1: low European broom having trifoliate leaves and yellowish-white flowers [syn: {white broom}, {white Spanish broom}, {Cytisus multiflorus}]
Cytisus multiflorus
1: low European broom having trifoliate leaves and yellowish-white flowers [syn: {white broom}, {white Spanish broom}, {Cytisus albus}]
Cytisus ramentaceus
1: erect shrub having large trifoliate leaves and dense clusters of yellow flowers followed by poisonous seeds; Yugoslavia; sometimes placed in genus Cytisus [syn: {Dalmatian laburnum}, {Petteria rame...
Cytisus scoparius
1: deciduous erect spreading broom native to western Europe; widely cultivated for its rich yellow flowers [syn: {common broom}, {Scotch broom}, {green broom}]
cytoarchitectonics
1: the cellular composition of a bodily structure [syn: {cytoarchitecture}]
cytoarchitecture
1: the cellular composition of a bodily structure [syn: {cytoarchitectonics}]
cytochrome
1: a class of hemoprotein whose principle biological function is as carriers of electrons
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cytochrome c
1: the most abundant and stable cytochrome; involved in energy transfer
cytogenesis
1: the origin and development and variation of cells [syn: {cytogeny}]
cytogenetic
1: of or relating to cytogenetics [syn: {cytogenetical}]
cytogenetical
1: of or relating to cytogenetics [syn: {cytogenetic}]
cytogeneticist
1: a geneticist who specializes in the cellular components associated with heredity
cytogenetics
1: the branch of biology that studies the cellular aspects of heredity (especially the chromosomes)
cytogeny
1: the origin and development and variation of cells [syn: {cytogenesis}]
cytokine
1: any of various proteins secreted by cells of the immune system that serve to regulate the immune system
cytokinesis
1: organic process consisting of the division of the cytoplasm of a cell following karyokinesis bringing about the separation into two daughter cells
cytokinetic
1: of or relating to the division of the cytoplasm of a cell following the division of the nucleus
cytokinin
1: any of a class of plant hormones that promote cell division and delay the senescence of leaves [syn: {kinin}]
cytologic
1: of or relating to the science of cytology [syn: {cytological}]
cytologic smear
1: a thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope [syn: {smear}, {cytosmear}]
cytological
1: of or relating to the science of cytology [syn: {cytologic}]
cytologist
1: a biologist who studies the structure and function of cells
cytology
1: the branch of biology that studies the structure and function of cells
cytolysin
1: a substance that partly or completely destroys animal cells
cytolysis
1: pathological breakdown of cells by the destruction of their outer membrane
cytolytic
1: of or relating to cytolysis, the dissolution or destruction of a cell
cytomegalic
1: of or relating to or characterized by greatly enlarged cells
cytomegalovirus
1: any of a group of herpes viruses that enlarge epitheltial cells and can cause birth defects; can affect humans with impaired immunological systems [syn: {CMV}]
cytomembrane
1: a thin membrane around the cytoplasm of a cell; controls passage of substances in and out of the cell [syn: {cell wall}, {cell membrane}, {plasma membrane}]
cytopathogenic
1: of or relating to or causing pathological changes in cells
cytopenia
1: a deficiency of some cellular element of the blood
cytophotometer
1: a photometer that can be used to locate and identify chemical compounds in a cell by measuring the intensity of the light that passes through stained sections of the cytoplasm
cytophotometric
1: of or relating to the study of cells by means of a cytophotometer
cytophotometry
1: the study of chemical compounds inside a cell by means of a cytophotometer
cytoplasm
1: the protoplasm of a cell excluding the nucleus
cytoplasmatic
1: of or relating to cytoplasm [syn: {cytoplasmic}]
cytoplasmic
1: of or relating to cytoplasm [syn: {cytoplasmatic}]
cytoplast
1: the intact cytoplasmic content of a cell
cytosine
1: a base found in DNA and RNA and derived from pyrimidine; pairs with guanine [syn: {C}]
cytoskeleton
1: a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence
cytosmear
1: a thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope [syn: {smear}, {cytologic smear}]
cytosol
1: the aqueous part of the cytoplasm within which various particles and organelles are suspended
cytotoxic
1: of or relating to substances that are toxic to cells 2: toxic to cells
cytotoxic drug
1: any drug that has a toxic effect on cells; commonly used in chemotherapy to inhibit the proliferation of cancerous cells
cytotoxic T cell
1: T cell with CD8 receptor that recognizes antigens on the surface of a virus-infected cell and binds to the infected cell and kill it [syn: {killer T cell}, {killer cell}, {CD8 T cell}, {CD8 cell}]
cytotoxicity
1: the degree to which something is toxic to living cells
cytotoxin
1: any substance that has a toxic effect on cells
czar
1: a male monarch or emperor (especially of Russia prior to 1917) [syn: {tsar}, {tzar}] 2: a person having great power
Czar Alexander I
1: the czar of Russia whose plans to liberalize the government of Russia were unrealized because of the wars with Napoleon (1777-1825) [syn: {Alexander I}, {Aleksandr Pavlovich}]
Czar Alexander II
1: the son of Nicholas I who, as czar of Russia, introduced reforms that included limited emancipation of the serfs (1818-1881) [syn: {Alexander II}, {Alexander the Liberator}]
Czar Alexander III
1: son of Alexander II who was czar of Russia (1845-1894) [syn: {Alexander III}]
Czar Nicholas I
1: czar of Russia from 1825 to 1855 who led Russia into the Crimean War (1796-1855) [syn: {Nicholas I}]
Czar Peter I
1: czar of Russia who introduced ideas from western Europe to reform the government; he extended his territories in the Baltic and founded St. Petersburg (1682-1725) [syn: {Peter I}, {Peter the Great}...
czarina
1: the wife or widow of a czar [syn: {tsarina}, {tzarina}, {czaritza}, {tsaritsa}]
czarist
1: of or relating to or characteristic of a czar [syn: {czaristic}, {tsarist}, {tsaristic}, {tzarist}]
czaristic
1: of or relating to or characteristic of a czar [syn: {czarist}, {tsarist}, {tsaristic}, {tzarist}]
czaritza
1: the wife or widow of a czar [syn: {czarina}, {tsarina}, {tzarina}, {tsaritsa}]
Czech
1: of or relating to Czechoslovakia or its people or their language; "The Czech border"; "Czechoslovak nationalists"; "The Czechoslovakian population" [syn: {Czechoslovakian}] n 1: a native of inhabit...
Czech capital
1: the capital and largest city of the Czech Republic in the western part of the countryi; a cultural and commercial center since the 14th century [syn: {Prague}, {Praha}, {Prag}]
Czech Republic
1: a landlocked republic in central Europe; separated from Slovakia in 1993
Czechoslovak
1: a native or inhabitant of the former republic of Czechoslovakia [syn: {Czechoslovakian}, {Czech}]
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