Comment on Facebook or share on Social Networks

  Instagram Profile - Karene (Sexual Evolution)


Introduction / Summary (2018): Hello and welcome to our Sexuality pages. While this is not a pornographic site, it is provocative - founded upon what people search on the Internet (which is very interesting!). We then relate this to our biological and cultural evolution.
Sex is obviously important to people - and if you want to improve your sexual relationships then knowing the truth about our human evolution is the best foundation. By opening our minds to a greater diversity of behaviors, this knowledge will help you creatively cultivate healthy pleasurable moral attitudes and sexy smutty relationships (free from religious guilt & cultural myths).
Support an open honest discussion on the truth of our sexual evolution and behaviour. If you support sex positive, moral, informed sexual behaviour please share this knowledge. (These pages have a diverse collection of fascinating information relating to our human sexual evolution so people will appreciate it - see our 'nice letters' page!).
Sincerely, Karene.

"It is not enough to conquer; one must learn to seduce." (Voltaire) - "Desire is the essence of a man." (Spinoza)

The Cervix
Female Anatomy, Health & Education. Information, Pregnancy, Cervical Dilation, Pictures

Quotes from 'The Story of V: A Natural History of Female Sexuality' by Catherine Blackledge

The Female Reproductive System from Wikipedia. Fallopian Tubes, Ovaries, Uterus, Cervix and Vagina'In modern medical terminology, 'cervix' is understood as meaning the short, thick tube of smooth muscle which surrounds the narrow channel (the endocervical canal) which leads from the vagina through to the uterus. The lower end of the cervix dips into the vaginal chamber, and is called the external os (opening, or mouth), while the upper uterine end of the cervix is known as the internal os. The intimate connection between the cervix and the uterus is highlighted in the full title of the cervix, the cervix uteri, which means the neck of the womb or neck of the uterus.' (Blackledge, p. 64, 2004)

'Curiously though, the word cervix does not mean neck. Collum is the Latin for neck. The source of the word cervix lies, surreally, in the curving, cresent-shaped horns of many mammals. And curiously, although this horn meaning was somehow lost in human anatomical vocabulary, it survives today in animal physiology. A cervid is any ruminary mammal of the class Cervidae, mammals that are characterised by the presence of horns or antlers.' (Blackledge, p. 64, 2004)

'The conception of the Fallopian tubes as horns of the uterus is easily understood. A look at any modern illustration of a woman's uterus reveals the source of the idea. Fallopian tubes do trace a graceful horn-like curve, and are positioned in conjunction with the uterus in such a way that it's not too fanciful to see them as mirroring the horns and antlers of deer or bulls.' (Blackledge, p. 65, 2004)

Evolution, Human Reproduction & Fertilization: Sperm, the Penis & Cervix

A very interesting essay from the journal of Evolutionary Psychology on evolutionary strategies in humans for successful fertilization.

From the essay: 'Magnetic resonance imaging studies show that during coitus, the typical penis fills and expands the human vagina, and with complete penetration often pushes up against the cervix. When ejaculation occurs, thrusting diminishes and vaginal penetration reaches its maximum point (Masters and Johnson, 1966). Not only does this serve to release semen in close proximity to the cervix, but data on ejaculatory pressure shows that the first several ejaculatory contractions project seminal fluid with such force that it can be expelled at a distance of 30-60cm if not contained in a vagina (Masters and Johnson, 1966). Thus, there appear to have been a series of adaptations that serve to confine or focus the release of semen to the uppermost portion of the vaginal tract, possibly as a means of making it less vulnerable to displacement by other males. A longer penis would not only have been an advantage for leaving semen in a less accessible part of the vagina, but by filling and expanding the vagina it also would aid and abet the displacement of semen left by other males as a means of maximizing the likelihood of paternity.'

By Gordon G. Gallup, Jr., Department of Psychology, State University of New York at Albany, Albany, NY 12222, USA.
Rebecca L. Burch, Department of Psychology, State University of New York at Oswego, Oswego, NY 13126, USA.

Read More: Evolution, Human Reproduction & Fertilization: Sperm Competition, Semen Displacement & Penis



Analyse any human emotion, no matter how far it may be removed from the sphere of sex, and you are sure to discover somewhere the primal impulse, to which life owes its perpetuation.Analyse any human emotion, no matter how far it may be removed from the sphere of sex, and you are sure to discover somewhere the primal impulse, to which life owes its perpetuation. ... The primitive stages can always be re-established; the primitive mind is, in the fullest meaning of the word, imperishable. ... Mans most disagreeable habits and idiosyncrasies, his deceit, his cowardice, his lack of reverence, are engendered by his incomplete adjustment to a complicated civilisation. It is the result of the conflict between our instincts and our culture. (Sigmund Freud)

Related Pages

Female Sexuality: Evolution & Sex Positive Education (Mind & Body)
Breastfeeding: Benefits, Statistics & Resources Naked Woman: Sacred Feminism, Truth & Beauty of Female Sexuality
Breast Cancer: Information, Types, Symptoms, Statistics, Treatment Nipples: Function, Lactation, Arousal. Why Do Men Have Them?
Breast Implants: Augmentation / Enlargement Surgery Nipple Slip: Sexual Arousal & Voyeurism. Flashing Celebrities
Cervix: Information, Cervical Dilation in Child Birth, Pictures Nymphomaniacs: What is a Nympho? Evolution & Sexuality
Cervical Cancer: Symptoms, Stages, Causes, Vaccine Ovulation: Evolution & Female Reproductive Cycle
Child Birth: Natural Vaginal, Home Birthing and Caesarean Section Pap Smears: Information, Purpose, Procedure, Abnormal Results
Circumcision of Females: Mutilation of Genitals, Clitoris Placenta: Function, Hormones, Mammals
Clitoris: Location, Stimulation, Clitoral Orgasm, Diagrams PMS Premenstrual Syndrome: Symptoms, Emotions, Relief
Ejaculation: How to Guide for Squirting Female Orgasms Orgasm: Vagina vs Clitoris, Finding the G Spot, Statistics
Health: Research Studies on Women's Sexual Health Pregnancy: Evolutionary Health, Week by Week Calendar
Hormones: Function of Oxytocin, Estrogen, Testosterone Pregnant Sex: Intercourse Positions, Health Benefits
HPV: Human Papilloma Virus. Symptoms, Treatment, Vaccine Thongs: Culture & Fashion, Online Shopping
Menopause: Symptoms, Natural Treatment, Hormones, Diet Vagina: Anatomy, Arousal, Intercourse, Orgasm, Pictures
Menstrual Cycle: Evolution, Anatomy & Ovulation Vulva: Beauty of Female Genitals

Create some good Sexual Karma - Share this Knowledge - Thanks!

Support an open honest discussion of human sexuality by sharing this knowledge.
Female Anatomy, Health & Education: The Cervix. Information, Pregnancy, Cervical Dilation, Pictures

Site Map - Banners - Bibliography / Reference Books - Reasons for this Sexuality Study - Legal Disclaimer & Privacy Policy - Protect Children Online
Association of Sites Advocating Child Protection (ASACP) Family Online Safety Institute (FOSI)

Copyright 1997 - 2018
We support 'Fair Use' of these pages for Academic & Non Commercial use.
You are welcome to use images and text, but please reference them with a link to relevant web page on this site. Thanks!

Creative Commons License
The free, unhampered exchange of ideas and scientific conclusions is necessary for the sound development of science, as it is in all spheres of cultural life. ... Only the individual can think, and thereby create new values for society, nay, even set up new moral standards to which the life of the community conforms.
(Albert Einstein)