Medical dictionary
Medical terminology normalized via MeSH, ICD-11, SNOMED CT.
62,341 terms indexed
An infraorder of CRUSTACEA, in the order DECAPODA comprising the hermit crabs and characterized by a small fifth pair of legs.
Testing in which the source of the specimen or the person being tested is not individually identified.
Designations for persons whose names are not known or who wish to remain anonymous (anonyms) and for persons who wish to conceal or obscure their identity by assuming a fictitious name (pseudonyms).
A genus of mosquitoes (CULICIDAE) that are known vectors of MALARIA.
Congenital absence of the eye or eyes.
An order of insects comprising the sucking lice, which are blood-sucking ectoparasites of mammals. Recognized families include: Echinphthiriidae, Haematopinidae, and Pediculidae. The latter contains the medically important genera affecting humans: PEDICULUS and PHTHIRUS.
The lack or loss of APPETITE accompanied by an aversion to food and the inability to eat. It is the defining characteristic of the disorder ANOREXIA NERVOSA.
An eating disorder that is characterized by the lack or loss of APPETITE, known as ANOREXIA. Other features include excess fear of becoming OVERWEIGHT; BODY IMAGE disturbance; significant WEIGHT LOSS; and refusal to maintain minimal normal weight.
An order of CRUSTACEA comprised of shrimp-like organisms containing body trunks with at least 20 segments. The are commonly used as aquarium food.
Suspension or cessation of OVULATION in animals or humans with follicle-containing ovaries (OVARIAN FOLLICLE). Depending on the etiology, OVULATION may be induced with appropriate therapy.
an acyl-CoA-binding protein; RefSeq NM_001031915
A genus of GRAM-POSITIVE ENDOSPORE-FORMING BACTERIA in the family Bacillaceae. Most species have been isolated from HOT SPRINGS.
An order of BIRDS comprising the waterfowl, particularly DUCKS; GEESE; swans; and screamers.
A dipeptide containing BETA-ALANINE.
Communication services provided by a person or a machine to record and relay the message from the caller.
Venoms from the superfamily Formicoidea, Ants. They may contain protein factors and toxins, histamine, enzymes, and alkaloids and are often allergenic or immunogenic.
Substances that counteract or neutralize acidity of the GASTROINTESTINAL TRACT.
The continent lying around the South Pole and the southern waters of the Atlantic, Pacific, and Indian Oceans. It includes the Falkland Islands Dependencies. (From Webster's New Geographical Dictionary, 1988, p55)
An antagonist of histamine H1 receptors.
Any of various ruminant mammals of the order Bovidae. They include numerous species in Africa and the American pronghorn.
Antennapedia homeodomain protein is a homeobox protein involved in limb patterning in ARTHROPODS. Mutations in the gene for the antennapedia homeodomain protein are associated with the conversion of antenna to leg or leg to antenna DROSOPHILA.
A breach in the continuity of the ANTERIOR CHAMBER of the eyeball.
The anterior aspect of the casing that surrounds the natural CRYSTALLINE LENS.
Artery formed by the bifurcation of the internal carotid artery (CAROTID ARTERY, INTERNAL). Branches of the anterior cerebral artery supply the CAUDATE NUCLEUS; INTERNAL CAPSULE; PUTAMEN; SEPTAL NUCLEI; GYRUS CINGULI; and surfaces of the FRONTAL LOBE and PARIETAL LOBE.
The space in the eye, filled with aqueous humor, bounded anteriorly by the cornea and a small portion of the sclera and posteriorly by a small portion of the ciliary body, the iris, and that part of the crystalline lens which presents through the pupil. (Cline et al., Dictionary of Visual Science, 4th ed, p109)
Bundle of MYELINATED NERVE FIBERS that connects the two CEREBRAL HEMISPHERES in the LAMINA TERMINALIS. It is located ventral to the SEPTAL NUCLEI, and caudal to the median PREOPTIC NUCLEUS.
Rapid swelling, increased tension, pain, and ischemic necrosis of the muscles of the anterior tibial compartment of the leg, often following excessive PHYSICAL EXERTION.
A strong ligament of the knee that originates from the posteromedial portion of the lateral condyle of the femur, passes anteriorly and inferiorly between the condyles, and attaches to the depression in front of the intercondylar eminence of the tibia.
Rebuilding of the ANTERIOR CRUCIATE LIGAMENT to restore functional stability of the knee. AUTOGRAFTING or ALLOGRAFTING of tissues is often used.
The front third of the eyeball that includes the structures between the front surface of the cornea and the front of the VITREOUS BODY.
MOTOR NEURONS in the anterior (ventral) horn of the SPINAL CORD which project to SKELETAL MUSCLES.
Loose heterogeneous collection of cells in the anterior hypothalamus, continuous rostrally with the medial and lateral PREOPTIC AREAS and caudally with the TUBER CINEREUM.
Ischemia or infarction of the spinal cord in the distribution of the anterior spinal artery, which supplies the ventral two-thirds of the spinal cord. This condition is usually associated with ATHEROSCLEROSIS of the aorta and may result from dissection of an AORTIC ANEURYSM or rarely dissection of the anterior spinal artery. Clinical features include weakness and loss of pain and temperature sensation below the level of injury, with relative sparing of position and vibratory sensation. (From Adams et al., Principles of Neurology, 6th ed, pp1249-50)
A neurosurgical procedure that removes the anterior TEMPORAL LOBE including the medial temporal structures of CEREBRAL CORTEX; AMYGDALA; HIPPOCAMPUS; and the adjacent PARAHIPPOCAMPAL GYRUS. This procedure is generally used for the treatment of intractable temporal epilepsy (EPILEPSY, TEMPORAL LOBE).
Three nuclei located beneath the dorsal surface of the most rostral part of the thalamus. The group includes the anterodorsal nucleus, anteromedial nucleus, and anteroventral nucleus. All receive connections from the MAMILLARY BODY and BRAIN FORNIX, and project fibers to the CINGULATE BODY.
MYOCARDIAL INFARCTION in which the anterior wall of the heart is involved. Anterior wall myocardial infarction is often caused by occlusion of the left anterior descending coronary artery. It can be categorized as anteroseptal or anterolateral wall myocardial infarction.
Agents that kill parasitic worms. They are used therapeutically in the treatment of HELMINTHIASIS in man and animal.
A plant genus of the family ASTERACEAE that is similar to MATRICARIA but this has tiny chaffy bract scales between each pair of florets. Members contain sesquiterpene lactones. Other plants with similar common names include FERULA; FOENICULUM; MATRICARIA; CHAMAEMELUM and TRIPLEUROSPERMUM.
A plant division that includes hornworts, named for the horn-like appearance of the spore-producing plant (sporophyte).
A genus of SEA URCHINS synonymous with Heliocidaris, belonging to the family Echinometridae.
A group of FLAVONOIDS derived from FLAVONOLS, which lack the ketone oxygen at the 4-position. They are glycosylated versions of cyanidin, pelargonidin or delphinidin. The conjugated bonds result in blue, red, and purple colors in flowers of plants.
A class in the phylum CNIDARIA, comprised mostly of corals and anemones. All members occur only as polyps; the medusa stage is completely absent.