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Process of development of sex differences in humans
Sexual differentiation in humans is the process of development of sex differences in humans. It is defined as the development of phenotypic structures
Sexual differentiation in humans
Sexual_differentiation_in_humans
Embryonic development of sex differences
Sexual differentiation is the process of development of the sex differences between males and females from an undifferentiated zygote. Sex differentiation
Sexual_differentiation
Topics referred to by the same term
Sex in humans may refer to: Human sexual activity Sex assignment Sexual differentiation in humans This disambiguation page lists articles associated with
Sex_in_humans
Characteristics that distinguish the sexes, primary and secondary
give birth and menstruate when matured. Hormones that express sexual differentiation in humans include: estrogens such as estradiol progestogens such as progesterone
Sexual_characteristics
Difference between males and females
spending in stores, and the endowment effect-or asking price for goods people have. Neuroscience of sex differences Sexual differentiation in humans Health
Sex_differences_in_humans
Organs involved in reproduction
Humans have a high level of sexual differentiation. In addition to differences in nearly every reproductive organ, there are numerous differences in typical
Human_reproductive_system
Reproductive system of the human male
was inserted into the chromosome of XX males. The gene for sexual differentiation in humans, called the testis determining factor (TDF),[non-primary source
Male_reproductive_system
Embryonic structure of the reproductive system
structures in the mammalian embryo that represent the final stage of development of the caudal end of the external genitals before sexual differentiation. In humans
Labioscrotal_swelling
Atypical congenital variations of sex characteristics
Intersex infanticide Intersex people and military service Sexual differentiation in humans Gynandromorphism Endosex Sex within this context refers to
Intersex
Hormonal theory of sexuality
hormones plays a role in fetal sex differentiation, such exposure also influences the sexual orientation that emerges later in the individual. Prenatal
Prenatal hormones and sexual orientation
Prenatal_hormones_and_sexual_orientation
Desirable qualities in partners
desires in a romantic or sexual partner. Research across many domains, such as evolutionary biology, psychology, and anthropology, shows that humans display
Mate_choice_in_humans
Topics referred to by the same term
characteristics in sexually reproducing organisms in general Sexual differentiation in humans Determination of sex, the scientific or medical discernment
Sex_determination
Evolutionary effects of sexual selection on humans
human evolution for many years, but reasons why humans choose their mates are not fully understood. Sexual selection is quite different in non-human animals
Sexual_selection_in_humans
Sexual dimorphism in human physiology refers to the distinct physiological characteristics associated with either male or female humans. These differences
Sexual dimorphism in human physiology
Sexual_dimorphism_in_human_physiology
Form in which people experience and express themselves sexually
concern the human reproductive functions, including the human sexual response cycle. Someone's sexual orientation is their pattern of sexual interest (or
Human_sexuality
Medical conditions involving the development of the reproductive system
cause of each specific anomaly has to be studied independently. Sexual differentiation occurs through various processes during the prenatal development
Disorders_of_sex_development
Biological part involved in sexual reproduction
fuse in the midline to form the penile raphe. Each organ/body part in one sex has a homologous counterpart. The process of sexual differentiation includes
Sex_organ
Psychological feature arousing organisms to physical pleasure and reproduction
amplified through sexual tension, which is caused by sexual desire that has yet to be acted on. Physical manifestations of sexual desire in humans include licking
Sexual_desire
a group of molecules. Certain body odours are connected to human sexual attraction. Humans can make use of body odour subconsciously to identify whether
Body odour and sexual attraction
Body_odour_and_sexual_attraction
Features that occur in an organism at sexual maturity
reflectance, which are ornamentations used to attract females. Sexual differentiation begins during gestation, when the gonads are formed. The general
Secondary_sex_characteristic
Topics referred to by the same term
protein involved in immune response. Müllerian inhibiting factor, a hormone that plays a role in the sexual differentiation of humans Merthiolate-Iodine-Formaldehyde
MIF
Procreative biological processes of humanity
Human sexual reproduction, to produce offspring, begins with fertilization. Successful reproduction typically involves sexual intercourse between a healthy
Human_reproduction
Psychological or sexual drive or energy
differences in sexual motivation. Touraille and Ågmo examined evidence from both humans and non-human mammals, finding that sex differences in sexual motivation
Libido
American therapist (1946–2020)
degree of differentiation must inevitably lead to problems with intimacy and desire and that for this reason only a higher degree of differentiation is suitable
David_Schnarch
Anti-LGBTQ conspiracy theory
(2010), "Sexual differentiation of the human brain in relation to gender identity and sexual orientation" (PDF), in Savic, Ivanka (ed.), Progress in Brain
LGBTQ chemicals conspiracy theory
LGBTQ_chemicals_conspiracy_theory
Animal sexual reproductive act in which a male introduces sperm into the female's body
brain mechanisms in rats and humans • Rats show a similar pattern of brain activation to humans in response to cues related to sexual reward • Cortical
Copulation_(zoology)
Mechanisms of sexual orientation development in humans
developmental theories relating to sexual orientation in humans. Many theories concerning the development of sexual orientation involve fetal neural development
Neuroscience and sexual orientation
Neuroscience_and_sexual_orientation
Paired organ of the urogenital system in mammals
PMID 36204418. How the Body Works / Sex Development / Sexual Differentiation / Duct Differentiation - The Hospital for Sick Children (GTA - Toronto, Ontario
Mesonephric_duct
Paired ducts in the mammalian embryo in the primitive urogenital structures
tubercle in the primitive urogenital sinus. In humans, they form in the embryo during the 6th week of gestational age, before sexual differentiation takes
Paramesonephric_duct
Differences in the mental functions and behaviors of the sexes
David A. (2010). "Beauty and the beast: Mechanisms of sexual selection in humans". Evolution and Human Behavior. 31 (3): 157–175. Bibcode:2010EHumB..31..157P
Sex_differences_in_psychology
Method of determining sex
of the Y chromosome). Sexual differentiation (human) Secondary sex characteristic (human) Y-chromosomal Adam Sex Determination in Silene Z0 sex-determination
XY_sex-determination_system
Sexually provocative material or action
sexual intent, with the aim of provoking sexual arousal. There are variations in the perception and display of sexual suggestiveness, including but not limited
Sexual_suggestiveness
Attraction on the basis of sexual desire
ovulatory shift hypothesis posits that female humans exhibit different sexual behaviours and desires at points in their menstrual cycle, as a means to ensure
Sexual_attraction
Sex-specific adaptations
the human reproductive system Sex differences in humans Sex differences in human psychology Sexual differentiation Sexual dimorphism measures Sexual dimorphism
Sexual_dimorphism
Retractable fold of skin which covers and protects the glans of the penis
exposure to male hormones secreted by the testicles. The differentiation of the external sexual organs will be evident between twelve and sixteen weeks
Foreskin
Mechanisms that form the reproductive system
development of the reproductive system is the prenatal development and sexual differentiation of the male and female sex organs. Due to the large overlap with
Development of the reproductive system
Development_of_the_reproductive_system
Pattern of romantic/sexual attraction based on sex/gender
of Human Sex Orientation, op. cit. Siiteri, PK; Wilson, JD (Jan 1974). "Testosterone formation and metabolism during male sexual differentiation in the
Sexual_orientation
Species of hominid in the genus Homo
archaic humans. Early humans were hunter-gatherers, before the invention of agriculture and domestication of animals led to permanent settlement in the Fertile
Human
Male adult human
Adult humans exhibit sexual dimorphism in many other characteristics, many of which have no direct link to reproductive ability. Humans are sexually dimorphic
Man
Biological differences between men and women in human relationships
Sexual dimorphism in human bonding refers to the sex-based differences in how humans form, maintain, and experience social and emotional bonds, including
Sexual dimorphism in human bonding
Sexual_dimorphism_in_human_bonding
Biological process
features (both sexual and asexual structures). Second, meiosis is followed by mitotic divisions and differentiation to create the gametes. In plants, sister
Gametogenesis
Class of mental image or pattern of thought
or sexual attraction to another person. Anything that may give rise to sexual arousal may also produce a sexual fantasy, and sexual arousal may in turn
Sexual_fantasy
Animal organ development
through the passageway and cause indirect inguinal hernia. Sexual differentiation in humans Stringer JM, Winship A, Zerafa N, Wakefield M, Hutt K (May
Development_of_the_gonads
Portion of a life cycle in which an organism is capable of sexual reproduction
honeybee only becomes sexually mature if it is fed a special substance ("royal jelly") during the larval stage. In humans, sexual maturity is related to
Sexual_maturity
Chromosome that differs from an ordinary autosome in form, size, and behavior
that determines the sex of each offspring in such species. A small percentage of humans have divergent sexual development, known as intersex. This can
Sex_chromosome
Gamete-producing cell
active migration, germ cells arrive at the developing gonads. In humans, sexual differentiation starts approximately 6 weeks after conception. The end-products
Germ_cell
Chromosomal system
purpurea. Sexual differentiation (human) Secondary sex characteristic Y-chromosomal Adam Sex determination in Silene Sex-determination system Sexual differentiation
ZW_sex-determination_system
Sex characteristics between male and female
Gynandromorphism Hermaphrodite Sexual differentiation "intersex | Definition & Facts". Encyclopædia Britannica. Retrieved 2021-07-10. Intersex, in biology, an organism
Intersex_(biology)
Trait that determines an organism's sexually reproductive function
Textbooks from Wikibooks Resources from Wikiversity Sizonenko PC. "Human Sexual Differentiation". Geneva Foundation for Medical Education and Research (GFMER)
Biological_sex
Protein that initiates male sex determination in therian mammals
exon has been located named SRY-T . Sex-determination system Sexual differentiation in humans GRCh38: Ensembl release 89: ENSG00000184895 – Ensembl, May
Sex-determining region Y protein
Sex-determining_region_Y_protein
Developmental precursor to the gonads in an embryo
male or female, and those that promote differentiation into male or female parts. Genes that form the sexually indifferent gonad are SF1 and WT1. Genes
Genital_ridge
Human male external reproductive organ
during sexual arousal. Erections can occur in non-sexual situations; spontaneous non-sexual erections frequently occur during adolescence and sleep. In its
Human_penis
Body posture in mammals for sexual receptivity
presenting, is the naturally occurring body posture for sexual receptivity to copulation present in females of most mammals including rodents, elephants
Lordosis_behavior
Biological development of male sex characteristics
biological sexual differentiation, the postnatal changes of typical chromosomal male (46, XY) puberty, and excessive androgen effects in typical chromosomal
Virilization
Medical condition
ISBN 978-0-87893-243-6. Jones RE, Lopez KH (2006). "Chapter 5: Sexual differentiation". Human reproductive biology. Amsterdam: Elsevier Academic Press. pp
Androgen insensitivity syndrome
Androgen_insensitivity_syndrome
Characteristics of the brain that differentiate the male brain and the female brain
Vries GJ, Swaab DF (February 2002). "Sexual differentiation of the bed nucleus of the stria terminalis in humans may extend into adulthood". Journal of
Neuroscience of sex differences
Neuroscience_of_sex_differences
Orifice of the urethra
genitalia: perspectives from the spotted hyena (Crocuta crocuta)". Differentiation. 87 (1): 4–22. doi:10.1016/j.diff.2013.12.003. PMC 4069199. PMID 24582573
Urinary_meatus
Form of human sexual intercourse
copulation in mammals, and of penetrative sexual intercourse in human sexuality. Synonyms are: vaginal sex, coitus (Latin: coitus per vaginam), (in elegant
Penile–vaginal_intercourse
Intense physical sensation of sexual release
endorphins (or "endogenous morphine"). Human orgasms usually result from physical sexual stimulation of the penis in males (typically accompanied by ejaculation)
Orgasm
Biological process
before gonad differentiation. In GSD species, sex reversal means that the sexual phenotype is discordant with the genetic/chromosomal sex. In TSD species
Sex_reversal
Biological system that determines the sex of offspring
produce either male or female offspring. Sex-determination system Sexual differentiation Haplodiploid sex-determination system XY sex-determination system
XO_sex-determination_system
Biological system that determines the development of an organism's sex
(embryogenesis); in others, however, such as fruit flies, sexual differentiation occurs as soon as fertilization occurs. Some species (including humans) have a
Sex-determination_system
Erectile female sexual organ
Alan J.; Place, Ned J. (2006). "Mammalian sexual differentiation: lessons from the spotted hyena". Trends in Endocrinology and Metabolism. 17 (9): 349–356
Clitoris
Union of an egg and sperm to form a zygote within the female body
Internal fertilization is the union of an egg and sperm cell during sexual reproduction inside the female body. Internal fertilization, unlike its counterpart
Internal_fertilization
Undifferentiated female germ cell
and differentiation of germ cells into primary gametocytes ultimately depends on the sex of the embryo and the differentiation of the gonads. In female
Oogonium
Intimate acts that create sexual arousal
people meant to create sexual arousal and desire for sexual activity. Although foreplay is typically understood as physical sexual activity, nonphysical
Foreplay
Theory of human evolution
explained: "It may seem odd to view human mating, romance, sex, and love as inherently strategic. But humans, like other sexually reproducing species, do not
Sexual_strategies_theory
In human sexual relationships, concepts of age disparity, including what defines an age disparity, have developed over time and vary among societies.
Age disparity in sexual relationships
Age_disparity_in_sexual_relationships
Multidimensional scale of human sexuality
of sexual orientation than previous scales, acknowledged that it omits the following "aspects" of sexual orientation: Age of partner Differentiation of
Klein_Sexual_Orientation_Grid
Unwanted sexual attention or advances
sexual or sexist remarks, offensive sexual innuendo, indecent exposure, sexting, sexual roleplay, collecting or disseminating photos of the victim in
Sexual_harassment
American biologist
concepts of mammalian sexual differentiation and forms a foundation for understanding sex difference in disease. Arnold was born in Philadelphia. Source:
Arthur_P._Arnold
Haploid sex cell
during fertilization in organisms that reproduce sexually. The name gamete was introduced by the German cytologist Eduard Strasburger in 1878. The type of
Gamete
Development of female characteristics
contributing to sexual differentiation. Feminization can also be induced by environmental factors, and this phenomenon has been observed in several animal
Feminization_(biology)
Portrayal of sexual subject matter
or porno) is sexually suggestive material, such as pictures, videos, text, or audio intended for sexual arousal. Over the course of human history, pornographic
Pornography
Part of the female reproductive tract
channels menstrual flow, which occurs in humans and closely related primates as part of the menstrual cycle. During sexual intercourse, the vaginal walls produce
Vagina
including all differentiation in sexual development. The definitions of intersex genitalia are difficult as different medical practices exist in different
Definitions_of_intersex
Genetic diversity in human populations
than humans when examining nuclear DNA, but humans have more genetic variance when examining at the level of proteins. The lack of discontinuities in genetic
Human_genetic_variation
Sexual activity involving stimulation of the genitalia by use of the mouth
to incite sexual arousal before other sexual activities (such as vaginal or anal intercourse), or as an erotic and physically intimate act in its own right
Oral_sex
Production of new offspring in plants
Plants may reproduce sexually or asexually. Sexual reproduction produces offspring by the fusion of gametes, resulting in offspring genetically different
Plant_reproduction
Biological system in certain moths
system. Y-chromosomal Adam Sex determination in Silene Sex-determination system Sexual differentiation Haplodiploid sex-determination system XY sex-determination
ZO_sex-determination_system
Evolution-related timelines
began to develop rapidly in both size and differentiation of function. There has been a gradual increase in brain volume as humans progressed along the timeline
Evolution of human intelligence
Evolution_of_human_intelligence
Person who works in the sex industry
money or goods". In light of this principle, it will therefore differ from sexual exploitation, or the forcing of a person to commit sexual acts. Other positions
Sex_worker
Organism that produces both male and female gametes
phenotypically female before the sexual differentiation stage; however, this is now known to be incorrect, as humans are simply undifferentiated before
Hermaphrodite
Evolutionary process
history, humans gradually developed traits such as bipedalism, dexterity, and complex language. Modern humans interbred with archaic humans, indicating
Human_evolution
20th-century Western social movement
period is the rise and differentiation in forms of regulating sexuality. Classics professor Kyle Harper uses the phrase "first sexual revolution" to refer
Sexual_revolution
Area of scientific research
intelligence Sex differences in humans Emotional intelligence Sex differences in psychology Heritability of IQ Hunt, Earl B. (2010). Human Intelligence. Cambridge
Sex differences in intelligence
Sex_differences_in_intelligence
Attraction between people of the same sex or gender
in developing a sexual orientation. Scientific research shows that homosexuality is a natural and normal variation in human sexuality and is not in and
Homosexuality
Species of beetle
genetic differentiation based on region. In the Columbia Basin and Central Sands, beetles in the Columbia Basin had less genetic diversity than those in Central
Colorado_potato_beetle
Female adult human
embryo's gonads differentiate into testes due to the action of the SRY gene on the Y chromosome. Sex differentiation proceeds in female humans in a way that
Woman
Cluster in the human hypothalamus
hypothalamus (INAH3) in humans; ovine sexually dimorphic nucleus (oSDN) in the medial preoptic area/anterior hypothalamus (MPOA/AH) in sheep; sexually dimorphic
Sexually_dimorphic_nucleus
System of organs used for reproduction
is to produce and deposit sperm. Humans have a high level of sexual differentiation. In addition to differences in nearly every reproductive organ, numerous
Reproductive_system
Body of tissue present in the development of the reproductive system
size at birth. Clitorophallus Sexual differentiation Netter, Frank H.; Cochard, Larry R. (2002). Netter's Atlas of human embryology. Teterboro, N.J: Icon
Genital_tubercle
Field of sexual orientation research
feature of sexual differentiation is the presence of a sexually dimorphic nucleus (SDN) in the preoptic hypothalamus, which is larger in males than in females
Biology and sexual orientation
Biology_and_sexual_orientation
Sexual differences in primates
compelling data. Sex differences in humans Flores, D.; Casinos, A. (2011). "Cranial ontogeny and sexual dimorphism in two New World monkeys: Alouatta caraya
Sexual dimorphism in non-human primates
Sexual_dimorphism_in_non-human_primates
Sex change as part of the normal life cycle of a species
p. 108. ISBN 978-1-139-45181-9. Pandian, TJ (2012). Genetic Sex Differentiation in Fish. Boca Raton, FL: Science Publishers. Todd, Erica V.; Liu, Hui;
Sequential_hermaphroditism
End of the penis
depending on the exposure to male hormones, such as androgens. In mammals, sexual differentiation is determined by the sperm that carries either an X or a Y
Glans_penis
Medical condition
the vagina) in what would be considered a genetically and otherwise physically normal male animal by typical human based standards. In humans, PMDS typically
Persistent Müllerian duct syndrome
Persistent_Müllerian_duct_syndrome
Branch of biology studying reproduction
secreted by endocrine glands, and spread to different tissues in the human body. In humans, the pituitary gland synthesizes hormones used to control the
Reproductive_biology
Series of interconnected biochemical reactions
androgens in normal conditions where the conventional pathway is insufficient, such as in male early sexual differentiation. Sexual differentiation is a process
Androgen_backdoor_pathway
Sexual attraction to more than one gender
biological bisexuality in humans. Alan P. Bell, Martin S. Weinberg, and Sue Kiefer Hammersmith reported in Sexual Preference (1981) that sexual preference was
Bisexuality
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