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Sex
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D012723 |
[The totality of characteristics of reproductive structure, functions, PHENOTYPE, and GENOTYPE, differentiating the MALE from the FEMALE organism.
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Sex Attractants
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D012724 |
[Pheromones that elicit sexual attraction or mating behavior usually in members of the opposite sex in the same species.
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Sex Characteristics
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D012727 |
[Those characteristics that distinguish one SEX from the other. The primary sex characteristics are the OVARIES and TESTES and their related hormones. Secondary sex characteristics are those which are masculine or feminine but not directly related to reproduction.
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Sex Chromatin
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D012728 |
[In the interphase nucleus, a condensed mass of chromatin representing an inactivated X chromosome. Each X CHROMOSOME, in excess of one, forms sex chromatin (Barr body) in the mammalian nucleus. (from King & Stansfield, A Dictionary of Genetics, 4th ed)
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Sex Chromosome Aberrations
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D012729 |
[Abnormal number or structure of the SEX CHROMOSOMES. Some sex chromosome aberrations are associated with SEX CHROMOSOME DISORDERS and SEX CHROMOSOME DISORDERS OF SEX DEVELOPMENT.
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Sex Chromosome Disorders
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D025064 |
[Clinical conditions caused by an abnormal sex chromosome constitution (SEX CHROMOSOME ABERRATIONS), in which there is extra or missing sex chromosome material (either a whole chromosome or a chromosome segment).
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Sex Chromosome Disorders of Sex Development
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D058533 |
[Congenital conditions of atypical sexual development associated with abnormal sex chromosome constitutions including MONOSOMY; TRISOMY; and MOSAICISM.
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Sex Chromosomes
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D012730 |
[The homologous chromosomes that are dissimilar in the heterogametic sex. There are the X CHROMOSOME, the Y CHROMOSOME, and the W, Z chromosomes (in animals in which the female is the heterogametic sex (the silkworm moth Bombyx mori, for example)). In such cases the W chromosome is the female-determining and the male is ZZ. (From King & Stansfield, A Dictionary of Genetics, 4th ed)
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Sex Cord-Gonadal Stromal Tumors
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D018312 |
[A sex cord-gonadal stromal tumor, composed of cells of both the OVARY and the TESTIS. It produces both male and female GONADAL STEROID HORMONES.
, Neoplasms derived from the primitive sex cord or gonadal stromal cells of the embryonic GONADS. They are classified by their presumed histogenesis and differentiation. From the sex cord, there are SERTOLI CELL TUMOR and GRANULOSA CELL TUMOR; from the gonadal stroma, LEYDIG CELL TUMOR and THECOMA. These tumors may be identified in either the OVARY or the TESTIS.
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Sex Counseling
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D012731 |
[Advice and support given to individuals to help them understand and resolve their sexual adjustment problems. It excludes treatment for PSYCHOSEXUAL DISORDERS or PSYCHOSEXUAL DYSFUNCTION.
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Sex Determination Analysis
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D012732 |
[Validation of the SEX of an individual by inspection of the GONADS and/or by genetic tests.
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Sex Determination Processes
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D019849 |
[The mechanisms by which the SEX of an individual's GONADS are fixed.
, Physiological mechanisms where by a female individual changes to a male during its normal life cycle course.
, Physiological mechanisms where by a male individual changes to a female during its normal life cycle course.
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Sex Determination by Skeleton
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D054881 |
[Validation of the sex of an individual by means of the bones of the SKELETON. It is most commonly based on the appearance of the PELVIS; SKULL; STERNUM; and/or long bones.
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Sex Differentiation
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D012733 |
[The process in developing sex- or gender-specific tissue, organ, or function after SEX DETERMINATION PROCESSES have set the sex of the GONADS. Major areas of sex differentiation occur in the reproductive tract (GENITALIA) and the brain.
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Sex Distribution
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D017678 |
[The number of males and females in a given population. The distribution may refer to how many men or women or what proportion of either in the group. The population is usually patients with a specific disease but the concept is not restricted to humans and is not restricted to medicine.
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Sex Education
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D012736 |
[Education which increases the knowledge of the functional, structural, and behavioral aspects of human reproduction.
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Sex Factors
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D012737 |
[Maleness or femaleness as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or effect of a circumstance. It is used with human or animal concepts but should be differentiated from SEX CHARACTERISTICS, anatomical or physiological manifestations of sex, and from SEX DISTRIBUTION, the number of males and females in given circumstances.
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Sex Hormone-Binding Globulin
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D012738 |
[A glycoprotein migrating as a beta-globulin. Its molecular weight, 52,000 or 95,000-115,000, indicates that it exists as a dimer. The protein binds testosterone, dihydrotestosterone, and estradiol in the plasma. Sex hormone-binding protein has the same amino acid sequence as ANDROGEN-BINDING PROTEIN. They differ by their sites of synthesis and post-translational oligosaccharide modifications.
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Sex Manuals
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D012740 |
[Books used for sex education and procedural instruction.
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Sex Offenses
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D012742 |
[Any violation of established legal or moral codes in respect to sexual behavior.
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