Retroflexion uteri as an anthropological characteristic.
L W VAN RAVESTEYN
Tropical and geographical medicine
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Genetic Factors Gametes - Ova and Sperm - 23 Chromosomes so 23 Pairs, on Special Pairing Is the Determinant of Sex - Xx for Female - Xy for Male Gonads - Males Have Testes - Women Have Ovaries -the Testes and Ovaries Differentiate after 6 Weeks of Conception, after 3 Months Function Starts to Come. -two Kinds of Consequences(organizational, Immediately) and Activation(many Years Later) All Controlled by Hormones. -y Chromosomes Have a Single Gene Called Sry Genes Known to Trigger Differentiation. Triggers Teste Development. Internal Sex Organs -it Takes a Lot of Work to Be a Male, Things Can Go Wrong -an Embryo without Secretion of Hormones Will Become Female and Male Shuts -a Male Embryo, Male Gonads Will Produce 2 Hormones (mullerian and Wolffian) Work to Shut down and Masculinize. -things Can Go Wrong, Hormonal System Can Be Dysfunctional, More Females than Males Because of This. More than 1% Difference, Make the Genes and Produce the Hormones for Completion Genetic Disorders -androgen Insensitivity Syndrome: Looks Female but No Internal Female Organs Xy -persistent Mullerian Duct Syndrome: Look Male but Internally Have Both Male and Female Organs Xy -turner Syndrome: Look Female Internally and Externally but No Gonads X External Sex Organs Two Sets of Characteristics Primary Sex Characteristics: Formation of Internal Organs (gonads) and External Organs (genitals) at Birth Secondary Sex Characteristics: Facial Hair for Males and Breast Growth for Females at Puberty. Sex Puberty Characteristics -this Process Starts with the Release from Hypothalamus of Gonadotropic Hormones -for Females, This Is Estrogen. Women Have Breast and Hip Enlargements, Lining of the Uterus, and Pubic and Auxiliary Hair Depending on the Adrenal Glands -for Males, This Is Androgen. Men Start to Have Facial Hair, Sperm Production, and Muscle Development Hormones -have an Effect on Organization and Activation -act on the Nervous System (hormones Have Receptors in Neurons) -sexually Dimorphic Behavior: No Sexual Relation That Has to Do with Sex Things Adults Male Sexual Behavior: Intromission, Pelvic Thrusting, Ejaculation, Refectory Period Coolidge Figured That the Refractory Period Can Be Shortened If the Female Is Changed Meaning to Some Extent Sex Is Physiological and Psychological Female Sexual Behavior: Lordosis, Position Female Take to Expose Their Vagina, Can Choose to Accept or Reject Mating, Done Intentionally by the Female Measuring Sexual Behavior Pheromones - Hormones Carried in the Air Animals: a Part of the Brain Called the Vomeronasal Is an Organ Which Senses Specific Kinds of Molecules. If This Organ Is Damaged than There Is Poor Discrimination between Sexes and Incorrect Mating. the Olfactory Bulbs Selected to Receive Information from Male or Female Humans Have Something Equivalent but Less Clear on How We Discriminate in a Very Controlled Manner, No Perfume and Deodorant, Skin Scent on a T Shirt Exposed to Male or Female People Will Be Able to Figure the Sex, 60 to 70 Percent but Are Able to Sense from Smell, Usually Comes from Sweat, Some Sexually Dimorphic Difference between Male And
Dec 21, 2017