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Cupressus
Cupressus, the true cypresses, is a Linnaean 1753 genus of evergreen Cupressaceae trees, now restricted to Old World species after the New World species moved to Hesperocyparis; 16 accepted species, Mediterranean to Himalaya.
Cupressus abramsiana
Cupressus abramsiana, also placed as Hesperocyparis abramsiana and called the Santa Cruz cypress, is a small endangered cypress tree endemic to California's Santa Cruz Mountains, where five populations survive.
Cupressus arizonica
Cupressus arizonica (Arizona cypress, Hesperocyparis arizonica) is a southwestern US and Mexican conifer with scalelike leaves and serotinous cones opened by fire, reproducing only from seed on bare mineral soil.
Cupressus macrocarpa
Cupressus macrocarpa, Monterey cypress, now Hesperocyparis macrocarpa, is a 25 m California cypress native only to two groves near Carmel, widely planted worldwide and CNPS-listed as rare.
Cupressus sempervirens
Cupressus sempervirens, the Mediterranean or Italian cypress, is an eastern Mediterranean evergreen conifer with columnar form, durable wood, winter-allergenic pollen, and newly bred low-pollen clones.
Cupressus stephensonii
Cupressus stephensonii, the Cuyamaca cypress (Hesperocyparis stephensonii), a rare cypress endemic to the Cuyamaca Mountains, San Diego County, California; cherry-red exfoliating bark, glaucous lemon-scented foliage, serotinous cones, NatureServe rank GX.
Cupriavidus
Cupriavidus is a genus of Gram-negative, rod-shaped bacteria in the family Burkholderiaceae, best known for their heavy-metal resistance and presence in soil, water, and clinical samples.
Cupriavidus necator
Cupriavidus necator, formerly known as Ralstonia eutropha, is a gram-negative soil and water bacterium that grows on hydrogen, fixes carbon dioxide, and stores up to 90% of its dry weight as the bioplastic PHB.
Cuproptosis
Cuproptosis, also called copper-induced cell death, is a copper-dependent regulated cell death pathway named by Tsvetkov et al. in 2022, driven by copper binding to lipoylated TCA cycle proteins such as DLAT, causing protein aggregation, Fe-S cluster loss, and proteotoxic stress.
Cur
Cur: a versatile American working dog type from the South and Midwest, bred for hunting, herding, and guarding; includes Mountain Cur, Treeing Cur, Catahoula, and Blackmouth Cur, recognized mainly by the UKC.
Curandero
A curandero (feminine curandera) is a traditional folk healer in Mexican and Mexican American communities, part of a healing system called curanderismo that clients often use alongside conventional medicine.
Curare
Curare is the South American arrow and dart poison whose alkaloids (d-tubocurarine from Chondrodendron, Strychnos species) competitively block nicotinic acetylcholine receptors, causing respiratory paralysis; introduced into anesthesia by Griffith and Johnson in 1942.
CURATP trial
CURATP (NCT05784610) is a pilot pre-post quasi-experimental trial at Poitiers University Hospital comparing automated ATP-mode TofScan monitoring with manual TOF/PTC monitoring for maintaining deep neuromuscular blockade during laparoscopic abdominal surgery with rocuronium, enrolling 60 adults.
CURB-65
CURB-65: five-point pneumonia severity score (confusion, urea >7 mmol/L, respiratory rate ≥30, low blood pressure, age ≥65) predicting 30-day mortality in community-acquired pneumonia and guiding hospital versus home care; CRB-65 is its urea-free primary care variant.
CurChexia trial
CurChexia (NCT04208334) was a Thai phase IIa double-blind placebo-controlled trial of oral curcumin 4,000 mg daily for 8 weeks in 20 head and neck cancer patients with cancer anorexia-cachexia syndrome, showing significant muscle mass gain versus placebo.
Curculionidae
Curculionidae (true weevils, snout beetles), largest beetle family with about 83,000 described species, defined by a snout-like rostrum and geniculate antennae; major crop pests including vine weevil and boll weevil.
Curcuma
Curcuma is a genus of about 120 to 177 species of rhizomatous herbs in the ginger family, native to Southeast Asia and best known for turmeric.
Curdling
Curdling: separation of milk into curds and whey by acid, heat, or enzymes. Chymosin in rennet cleaves κ-casein at Phe105–Met106; plant, microbial, and recombinant coagulants are alternatives.
Cure Rare Disease
Cure Rare Disease (CRD) is a Connecticut 501(c)(3) nonprofit biotech founded by Rich Horgan for his brother Terry's ultra-rare DMD. It ran the first-in-human CRISPRa N-of-1 trial CRD-TMH-001 (patient died from AAV immune reaction, 2022) and develops ASO and gene therapies for SCA3, LGMD2i/R9, and ANO5-related disease.
Curettage
Curettage is a surgical procedure that scrapes tissue from a body cavity, most often the uterus or skin, using a spoon-shaped curette; in gynecology it is combined with cervical dilation as dilation and curettage (D&C).
Curio
Curio P.V.Heath is a genus of southern African succulent daisies (Asteraceae, Senecioneae) established in 1997 from Senecio, with 17 accepted species including string of pearls, Curio rowleyanus.
Curio rowleyanus
Curio rowleyanus (formerly Senecio rowleyanus), string of pearls or string of beads, is a South African trailing succulent in Asteraceae with spherical 5-8 mm windowed leaves, grown worldwide as a houseplant and mildly toxic if ingested.
Curly Girl Method
Curly Girl Method (CGM), created by Lorraine Massey in Curly Girl: The Handbook (2001), is a sulfate-free, silicone-free, no-heat routine using co-washing and gel styling for wavy, curly, and coily hair, now often modified for scalp health.
Curly hair-acral keratoderma-caries syndrome
Curly hair-acral keratoderma-caries syndrome (CHAC syndrome) is an extremely rare autosomal dominant ectodermal dysplasia, first described in 2001, causing premature loss of curly brittle hair, early dental loss from caries, and dystrophic nails.
Curnodaka/sudhodaka
Curnodaka (Cūrṇodaka), also called sudhodaka, is Ayurvedic lime water: 250 mg lime powder in 60 ml water, kept 9 hours and filtered, used as a shodhana medium for lead, pearl, and haratala.
Currarino syndrome
Currarino syndrome (Currarino triad) is a rare autosomal dominant congenital disorder caused by MNX1 mutations, defined by anorectal malformation, sacral agenesis, and presacral mass, with 1-2% malignancy risk and variable expressivity.
Current Procedural Terminology
Current Procedural Terminology (CPT) is the AMA-maintained five-digit US code set for reporting medical procedures and services, HCPCS Level I under HIPAA, with over 11,000 codes driving Medicare RVU payment.
Current Protocols
Current Protocols is a series of laboratory manuals published by Wiley since 1987, with over 25,000 peer-reviewed, step-by-step life science protocols; since 2021 new articles appear in a single monthly journal.
Curruca
Curruca is a genus of Sylviidae warblers (Bechstein, 1802), type species the Lesser Whitethroat, Curruca curruca, formerly Sylvia curruca; split from Sylvia on molecular phylogenetic evidence.
Curry tree
Curry tree, Bergera koenigii (formerly Murraya koenigii), a small aromatic Rutaceae tree native to the Indian subcontinent to southern China; its pungent leaves are a South Indian cooking staple, with carbazole alkaloids and curry leaf oil.