Transvestism: Disorder characterized by recurrent, intense sexually arousing fantasies, sexual urges, or behaviors involving cross-dressing in a heterosexual male. The fantasies, urges, or behaviors cause clinically significant distress or impairment in social, occupational or other areas of functioning. (from APA, DSM-IV, 1994)Infertility, Male: The inability of the male to effect FERTILIZATION of an OVUM after a specified period of unprotected intercourse. Male sterility is permanent infertility.Infertility: Inability to reproduce after a specified period of unprotected intercourse. Reproductive sterility is permanent infertility.Infertility, Female: Diminished or absent ability of a female to achieve conception.Azoospermia: A condition of having no sperm present in the ejaculate (SEMEN).Spermatogenesis: The process of germ cell development in the male from the primordial germ cells, through SPERMATOGONIA; SPERMATOCYTES; SPERMATIDS; to the mature haploid SPERMATOZOA.Oligospermia: A condition of suboptimal concentration of SPERMATOZOA in the ejaculated SEMEN to ensure successful FERTILIZATION of an OVUM. In humans, oligospermia is defined as a sperm count below 20 million per milliliter semen.Spermatozoa: Mature male germ cells derived from SPERMATIDS. As spermatids move toward the lumen of the SEMINIFEROUS TUBULES, they undergo extensive structural changes including the loss of cytoplasm, condensation of CHROMATIN into the SPERM HEAD, formation of the ACROSOME cap, the SPERM MIDPIECE and the SPERM TAIL that provides motility.Transsexualism: Severe gender dysphoria, coupled with a persistent desire for the physical characteristics and social roles that connote the opposite biological sex. (APA, DSM-IV, 1994)Encyclopedias as Topic: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)Partnership Practice, Dental: A voluntary contract between two or more dentists who may or may not share responsibility for the care of patients, with proportional sharing of profits and losses.Gender Identity: A person's concept of self as being male and masculine or female and feminine, or ambivalent, based in part on physical characteristics, parental responses, and psychological and social pressures. It is the internal experience of gender role.Sex Reassignment Procedures: Clinical treatments used to change the physiological sexual characteristics of an individual.Sex Reassignment Surgery: Surgical treatments used to change the physiological sexual characteristics of an individual.Holidays: Days commemorating events. Holidays also include vacation periods.Penis: The external reproductive organ of males. It is composed of a mass of erectile tissue enclosed in three cylindrical fibrous compartments. Two of the three compartments, the corpus cavernosa, are placed side-by-side along the upper part of the organ. The third compartment below, the corpus spongiosum, houses the urethra.Chronology as Topic: The temporal sequence of events that have occurred.Hinduism: A complex body of social, cultural, and religious beliefs and practices evolved in and largely confined to the Indian subcontinent and marked by a caste system, an outlook tending to view all forms and theories as aspects of one eternal being and truth, and the practice of the way of works, the way of knowledge, or the way of devotion as a means of release from the round of rebirths. (From Webster, 3d ed)Anniversaries and Special Events: Occasions to commemorate an event or occasions designated for a specific purpose.Security Measures: Regulations to assure protection of property and equipment.Incest: Sexual intercourse between persons so closely related that they are forbidden by law to marry.Sexual and Gender Disorders: Mental disorders related to sexual dysfunction, paraphilias, and gender identity disorders.Pedophilia: A sexual disorder occurring in a person 16 years or older and that is recurrent with intense sexually arousing fantasies, sexual urges, or behaviors involving sexual activity with a prepubescent child (generally age 13 or younger). (from APA, DSM-IV, 1994).Aggression: Behavior which may be manifested by destructive and attacking action which is verbal or physical, by covert attitudes of hostility or by obstructionism.Erotica: Literary or artistic items having an erotic theme. It refers especially to books treating sexual love in a sensuous or voluptuous manner. (Webster, 3d ed)Prussia: Former state in north central Germany. Formally abolished March 1, 1947. Kingdom established 1701.Awards and PrizesHistory, 20th Century: Time period from 1901 through 2000 of the common era.Vanilla: A plant genus of the family ORCHIDACEAE that is the source of the familiar flavoring used in foods and medicines (FLAVORING AGENTS).Paeonia: A plant genus of the family Paeoniaceae, order Dilleniales, subclass Dilleniidae, class Magnoliopsida. These perennial herbs are up to 2 m (6') tall. Leaves are alternate and are divided into three lobes, each lobe being further divided into three smaller lobes. The large flowers are symmetrical, bisexual, have 5 sepals, 5 petals (sometimes 10), and many stamens.Famous PersonsNobel PrizePoetry as Topic: Literary and oral genre expressing meaning via symbolism and following formal or informal patterns.PoetryPassiflora: A plant genus of the family Passifloraceae, order Violales, subclass Dilleniidae, class Magnoliopsida. They are vines with ornamental flowers and edible fruit.Homosexuality, Female: Sexual attraction or relationship between females.HumanitiesHistory, 19th Century: Time period from 1801 through 1900 of the common era.Latin America: The geographic area of Latin America in general and when the specific country or countries are not indicated. It usually includes Central America, South America, Mexico, and the islands of the Caribbean.Acquired Immunodeficiency Syndrome: An acquired defect of cellular immunity associated with infection by the human immunodeficiency virus (HIV), a CD4-positive T-lymphocyte count under 200 cells/microliter or less than 14% of total lymphocytes, and increased susceptibility to opportunistic infections and malignant neoplasms. Clinical manifestations also include emaciation (wasting) and dementia. These elements reflect criteria for AIDS as defined by the CDC in 1993.Cuba: An island in the Greater Antilles in the West Indies, south of Florida. With the adjacent islands it forms the Republic of Cuba. Its capital is Havana. It was discovered by Columbus on his first voyage in 1492 and conquered by Spain in 1511. It has a varied history under Spain, Great Britain, and the United States but has been independent since 1902. The name Cuba is said to be an Indian name of unknown origin but the language that gave the name is extinct, so the etymology is a conjecture. (From Webster's New Geographical Dictionary, 1988, p302 & Room, Brewer's Dictionary of Names, 1992, p132)ArgentinaAfricaAfrican Continental Ancestry Group: Individuals whose ancestral origins are in the continent of Africa.African Americans: Persons living in the United States having origins in any of the black groups of Africa.Online Systems: Systems where the input data enter the computer directly from the point of origin (usually a terminal or workstation) and/or in which output data are transmitted directly to that terminal point of origin. (Sippl, Computer Dictionary, 4th ed)Internet: A loose confederation of computer communication networks around the world. The networks that make up the Internet are connected through several backbone networks. The Internet grew out of the US Government ARPAnet project and was designed to facilitate information exchange.ArchivesPsychology, Clinical: The branch of psychology concerned with psychological methods of recognizing and treating behavior disorders.Social Networking: Individuals connecting by family, work or other interests. It also includes connectivity facilitated by computer-based communications.Child Psychology: The study of normal and abnormal behavior of children.Reading