Depressive states usually of moderate intensity in contrast with major depression present in neurotic and psychotic disorders.

Marked depression appearing in the involution period and characterized by hallucinations, delusions, paranoia, and agitation.

An affective disorder manifested by either a dysphoric mood or loss of interest or pleasure in usual activities. The mood disturbance is prominent and relatively persistent.

Depression in POSTPARTUM WOMEN, usually within four weeks after giving birth (PARTURITION). The degree of depression ranges from mild transient depression to neurotic or psychotic depressive disorders. (From DSM-IV, p386)

Mood-stimulating drugs used primarily in the treatment of affective disorders and related conditions. Several MONOAMINE OXIDASE INHIBITORS are useful as antidepressants apparently as a long-term consequence of their modulation of catecholamine levels. The tricyclic compounds useful as antidepressive agents (ANTIDEPRESSIVE AGENTS, TRICYCLIC) also appear to act through brain catecholamine systems. A third group (ANTIDEPRESSIVE AGENTS, SECOND-GENERATION) is a diverse group of drugs including some that act specifically on serotonergic systems.

Standardized procedures utilizing rating scales or interview schedules carried out by health personnel for evaluating the degree of mental illness.

Hallucinogenic alkaloid isolated from the flowering heads (peyote) of Lophophora (formerly Anhalonium) williamsii, a Mexican cactus used in Indian religious rites and as an experimental psychotomimetic. Among its cellular effects are agonist actions at some types of serotonin receptors. It has no accepted therapeutic uses although it is legal for religious use by members of the Native American Church.

Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream.

Persons or entities that introduce a novel composition, device, or process, as well as improvements thereof.

The air-dried exudate from the unripe seed capsule of the opium poppy, Papaver somniferum, or its variant, P. album. It contains a number of alkaloids, but only a few - MORPHINE; CODEINE; and PAPAVERINE - have clinical significance. Opium has been used as an analgesic, antitussive, antidiarrheal, and antispasmodic.

Literary and oral genre expressing meaning via symbolism and following formal or informal patterns.

Objects of precious metal usually containing gems and worn to enhance personal appearance. Health concerns include possible contamination from lead content or bacteria.

Discussions, descriptions or catalogs of public displays or items representative of a given subject.

Acquisition, organization, and preparation of library materials for use, including selection, weeding, cataloging, classification, and preservation.

An order of diurnal BIRDS of prey, including EAGLES; HAWKS; buzzards; vultures; and falcons.

A publication issued at stated, more or less regular, intervals.

The act or practice of calling public attention to a product, service, need, etc., especially by paid announcements in newspapers, magazines, on radio, or on television. (Random House Unabridged Dictionary, 2d ed)

Instruments or technological means of communication that reach large numbers of people with a common message: press, radio, television, etc.

The period of history from the year 500 through 1450 of the common era.

Exclusive legal rights or privileges applied to inventions, plants, etc.

An ethical system which emphasizes human values and the personal worth of each individual, as well as concern for the dignity and freedom of humankind.

Property, such as patents, trademarks, and copyright, that results from creative effort. The Patent and Copyright Clause (Art. 1, Sec. 8, cl. 8) of the United States Constitution provides for promoting the progress of science and useful arts by securing for limited times to authors and inventors, the exclusive right to their respective writings and discoveries. (From Black's Law Dictionary, 5th ed, p1014)

The collection, preparation, and distribution of news and related commentary and feature materials through such media as pamphlets, newsletters, newspapers, magazines, radio, motion pictures, television, and books. While originally applied to the reportage of current events in printed form, specifically newspapers, with the advent of radio and television the use of the term has broadened to include all printed and electronic communication dealing with current affairs.

An order of the class Insecta. Wings, when present, number two and distinguish Diptera from other so-called flies, while the halteres, or reduced hindwings, separate Diptera from other insects with one pair of wings. The order includes the families Calliphoridae, Oestridae, Phoridae, SARCOPHAGIDAE, Scatophagidae, Sciaridae, SIMULIIDAE, Tabanidae, Therevidae, Trypetidae, CERATOPOGONIDAE; CHIRONOMIDAE; CULICIDAE; DROSOPHILIDAE; GLOSSINIDAE; MUSCIDAE; TEPHRITIDAE; and PSYCHODIDAE. The larval form of Diptera species are called maggots (see LARVA).

Content, management, editing, policies, and printing of dental periodicals such as journals, newsletters, tabloids, and bulletins.

The collection, writing, and editing of current interest material on topics related to biomedicine for presentation through the mass media, including newspapers, magazines, radio, or television, usually for a public audience such as health care consumers.

The smallest continent and an independent country, comprising six states and two territories. Its capital is Canberra.

A surgical procedure in which an undescended testicle is sutured inside the SCROTUM in male infants or children to correct CRYPTORCHIDISM. Orchiopexy is also performed to treat TESTICULAR TORSION in adults and adolescents.

The science, art or practice of cultivating soil, producing crops, and raising livestock.

Chemicals used to destroy pests of any sort. The concept includes fungicides (FUNGICIDES, INDUSTRIAL); INSECTICIDES; RODENTICIDES; etc.

An oath, attributed to Hippocrates, that serves as an ethical guide for the medical profession.

The period of history before 500 of the common era.

The biological science concerned with the life-supporting properties, functions, and processes of living organisms or their parts.

The assessing of academic or educational achievement. It includes all aspects of testing and test construction.

A branch of biology dealing with the structure of organisms.

The educational process of instructing.

A self-learning technique, usually online, involving interaction of the student with programmed instructional materials.

A course of study offered by an educational institution.