72,234 articles
Galactosialidosis
Galactosialidosis (Goldberg syndrome) is an autosomal recessive lysosomal storage disease caused by CTSA variants, causing combined beta-galactosidase and neuraminidase deficiency, in early infantile, late infantile, and juvenile/adult forms.
Galago
Galago (lesser galagos, bushbabies, nagapies) is a genus of small nocturnal African strepsirrhine primates in Galagidae, with four confirmed species, 30-40 cm long, 95-300 g, feeding on acacia gum and insects.
Galago senegalensis
Galago senegalensis, the Senegal galago or northern lesser galago/bushbaby, is a small nocturnal African primate of family Galagidae, ranging over 7,000 km from Senegal to Somalia, with four subspecies and IUCN Least Concern status.
Galah
Galah (Eolophus roseicapilla), also called pink and grey or rose-breasted cockatoo, an abundant Australian pink-and-grey cockatoo of family Cacatuidae, 35–36 cm, IUCN Least Concern with increasing population, found across most of Australia.
Galanin message associated peptide (GMAP)
Galanin message associated peptide (GMAP), also called galanin message-associated peptide, is a 59-61 amino acid neuropeptide from the C-terminus of preprogalanin, with rat spinal flexor reflex and antifungal Candida activity.
Galanin-like peptide
Galanin-like peptide (GALP) is a 60-amino-acid hypothalamic neuropeptide discovered in 1999, homologous to galanin at residues 9-21, binding GalR1-3, regulating feeding, energy expenditure, and reproduction, and encoding alarin by alternative splicing.
Galantamine
Galantamine (galanthamine), a plant-derived acetylcholinesterase inhibitor from snowdrop (Galanthus), treats mild to moderate Alzheimer's symptoms; FDA-approved 2001 as Razadyne, formerly Nivalin and Reminyl.
Galanthus
Galanthus, snowdrops, is a genus of about 19 bulbous Amaryllidaceae species native from Europe to western Asia, flowering in late winter; all species are CITES Appendix II listed, with large wild bulb exports of G. woronowii and G. elwesii.
Galanthus nivalis
Galanthus nivalis, the common snowdrop, is a bulbous perennial of the amaryllis family native to Europe from the Pyrenees to Ukraine, whose nodding white flowers appear in late winter and early spring.
Galápagos fur seal
Galápagos fur seal (Arctocephalus galapagoensis, Lobo fino de Galápagos), an endangered otariid endemic to the Galápagos Islands; about 10,000 mature individuals, night-foraging, El Niño-vulnerable, protected since the 1930s.
Galapagos penguin
Galapagos penguin (Spheniscus mendiculus, Pingüino de Galápagos): the smallest banded penguin and the only penguin breeding partly north of the equator, endemic to the Galapagos Islands, IUCN Endangered, dependent on the Cromwell Current and vulnerable to El Niño.
Galapagos shark
Galapagos shark (Carcharhinus galapagensis), a large requiem shark of oceanic islands worldwide; described 1905, viviparous, IUCN Near Threatened (2003) with local declines from fishing.
Galápagos tortoise
Galápagos tortoise (tortuga gigante de las Galápagos), giant Chelonoidis tortoises endemic to Ecuador's Galápagos Islands; 15 species, domed and saddleback forms, 20,000–25,000 wild today after exploitation killed 100,000–200,000; Floreana hybrids reintroduced 2026.
Galba truncatula
Galba truncatula (also Lymnaea truncatula), commonly the dwarf pond snail, is a small air-breathing freshwater snail and the principal intermediate host of the liver fluke Fasciola hepatica in Europe and western Asia.
Galbula
Galbula is a genus of ten jacamar species (family Galbulidae, order Piciformes) of tropical American forests, named by Brisson in 1760; type species the green-tailed jacamar, G. galbula.
Galcanezumab
Galcanezumab (Emgality, galcanezumab-gnlm) is a humanized IgG4 monoclonal antibody against CGRP ligand, FDA-approved in 2018 for migraine prevention and episodic cluster headache, dosed 240 mg loading then 120 mg monthly.
Galemys
Galemys, the Pyrenean or Iberian desman (Galemys pyrenaicus), a small endangered semiaquatic mole of mountain streams in northern Iberia and the Pyrenees, with a sensory trunk, webbed hind feet, and an invertebrate diet.
Galen (Γαληνός)
Galen (Γαληνός, Galēnos, 129–c. 200 CE), Greek physician of Pergamon, court doctor to Marcus Aurelius, systematized Hippocratic four-humor medicine, pioneered animal vivisection, and dominated European and Islamic medicine for about 1,300 years.
Galen S. Wagner
Galen S. Wagner was an American cardiologist at Duke University who developed the QRS scoring system for estimating heart attack size and taught electrocardiography for decades.
Galeopsis
Galeopsis L. (hemp-nettle) is a genus of about 10 annual herbs in the mint family (Lamiaceae), native to temperate Eurasia, placed in tribe Galeopsideae, with frequent hybridization and traditional medicinal uses.
Galeorhinus galeus
Galeorhinus galeus, the tope, school, or soupfin shark, a temperate houndshark (Triakidae) of all major oceans; six isolated subpopulations, IUCN Critically Endangered 2020, CMS Appendix II, proposed US ESA threatened listing 2026.
Galerida
Galerida is a genus of crested larks (Alaudidae) established by Friedrich Boie in 1828, with the Crested Lark Galerida cristata as type species; about 6-7 species across Eurasia and Africa, 14-19 cm long, named from Latin galerum 'cap'.
Galeterone
Galeterone (TOK-001, VN/124-1) is a steroidal CYP17A1 inhibitor, androgen receptor antagonist, and AR degrader developed for prostate cancer; its phase 3 ARMOR3-SV trial versus enzalutamide in AR-V7-positive metastatic CRPC stopped early and development was discontinued.
Galeus melastomus
Galeus melastomus, the blackmouth catshark (Rafinesque, 1810), a deepwater Pentanchidae shark of the eastern Atlantic and Mediterranean, dark-mouthed, spotted, to 90 cm, oviparous, IUCN Least Concern.
Galgo Español
Galgo Español (Spanish Greyhound, Lebrel Español): Spain's native sighthound, FCI Standard No. 285, Group 10, recognized 1971. Hare-hunting dog of ancient Asian sighthound descent, 62–70 cm males, runs about 60 km/h, calm at home, ancestor of the English Greyhound.
Galictis vittata
Galictis vittata, the greater grison (hurón grande), is a mustelid from Mexico to central South America, larger than its congener G. cuja, with a metaconid on m1, short tail, and IUCN Least Concern status.
Galidesivir
Galidesivir (BCX4430, immucillin A) is an investigational adenosine nucleoside analog antiviral inhibiting viral RNA polymerase, active against 20+ RNA viruses including Marburg and Ebola, in FDA Animal Rule development for Marburg.
Galina Selivanova
Galina Selivanova is a Swedish-based cancer researcher and professor at Karolinska Institutet, a pioneer of p53 research known for showing that mutant p53 can be restored by small molecules.
Galinsoga
Galinsoga (gallant soldiers) is a genus of 12 accepted annual Asteraceae herbs native to tropical and subtropical America, established by Ruiz and Pavon in 1794; its weedy species G. parviflora and G. quadriradiata are invasive worldwide and used as food and medicine.
Galinsoga parviflora
Galinsoga parviflora, gallant soldier or quickweed (guascas), an annual Asteraceae herb native to tropical America, a cosmopolitan weed of crops, distinguished from G. quadriradiata by sparse hairs and blunt pappus tips, and eaten as a cooked vegetable.