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UNL - PSYC 471 - Class Notes - Week 4

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UNL - PSYC 471 - Class Notes - Week 4

School: University of Nebraska Lincoln
Department: Psychology
Course: Human Sexuality
Professor: Rosemary Esseks
Term: Fall 2016
Tags: Psychology
Name: Week 4 Notes
Description: Includes lectures 7 and 8 (Female anatomy, physiology, and health)
Uploaded: 09/19/2016
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background image 9.13
Female Anatomy: external sex organs
Vulva – external sex organs/genitals o Mons veneris:  Fatty cushion resting over pubic bone Function largely protective o Labia majora – two parallel folds of skin extending from the mons  veneris to the perineum (tissue between vagina and anus) o Inner surface contains sebaceous (oil) glands Engorges with blood during sexual excitement o Labia minora – two parallel, smaller, thinner, red folds of skin between  the labia majora and the vestibule Forward parts form prepuce (clitoral hood) Contain some erectile tissue o Clitoris – physically similar to penis During sexual excitement engorges with blood during sexual  excitement Shaft – length of clitoris Glans: Head of clitoris Filled with nerve endings Only function is sexual pleasure Female genital mutilation: o Performed in the US from 1890s-1930s to stop masturbation o Performed currently in parts of Middle East, Africa, and Asia, often to Ensure virginity at marriage Address perception of clitoris as “male” o About 80-110 million worldwide o Circumcision – removal of clitoral hood o Clitoridectomy – removal of clitoris o Genital infibulation – removal of clitoris, labia minora, and most of labia majora o Commonly done without anesthesia/disinfectants o Can cause infection, trouble urinating/menstruating, childbirth  complications, shock, and death o Condemned by the World Health Organization and United Nations Vestibule – region contained within the labia minora o Urethral opening – conducts urine from bladder out of body o Urinary tract infections: Usually caused by bacteria from colon, which can be transmitted during sexual activity Signs include increased urinary frequency and burning during  urination Prevention: wipe front to back, wash hands before touching  genitals, urinate after intercourse o Introitus – vaginal opening Bartholin’s glands Secrete fluid whose purpose is unknown Infection can cause swelling/irritation
background image Hymen – fold of tissue covering introitus at birth Generally perforated at center to permit flow of menstrual fluid Has been used as “proof” of virginity, although some  women are born without it/do not experience tearing at first 
intercourse
Female Anatomy: Internal Sex Organs Vagina – tube of tissue extending from external genitalia to cervix (opening of uterus). Penis and sperm travel up during sexual intercourse; menstrual fluid 
and babies travel down
o At usual state, it is about 4” in length o Expands during intercourse and childbirth o Walls create secretions to: Maintain chemical balance Provide lubrication during sexual arousal o Grafenberg spot: Size of a dime in the lower third of the vagina, towards the front, just beyond pubic bone Stimulation causes pleasure, sometimes orgasm with up to 4oz  of ejaculate o Vaginitis – refers to inflammation of vagina Can be due to antibiotics, irritation, even fatigue/poor diet Signs include abnormal discharge, burning, itching, urinary  urgency Prevention – wash with soap, wear cotton underpants, reduce  carb intake Uterus – grow the babies
o Usually about 3” long, 2” wide, 1” thick, and pear-shaped
o Cervix – lower portion of uterus; donut-shaped
Os – opening into interior of uterus Mucus transports sperm through os during ovulation, blocks os in 
infertile times of cycle
o Fundus – dome-shaped top of uterus
o Perimetrium
Outer layer of uterus Made from same material as covering of other internal organs o Myometrium Muscular layer of uterus Responsible for contractions that expel contents of uterus (menstrual 
fluid or babies)
o Endometrium Inner layer of uterus Shed with each menstrual cycle o Cervical cancer More common among women who begin sexual activity early and 
have multiple partners due to increased risk of HPV
Cure rate close to 100% if caught early Pap smear – detects cell changes that may lead to cervical cancer 
and other conditions

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School: University of Nebraska Lincoln
Department: Psychology
Course: Human Sexuality
Professor: Rosemary Esseks
Term: Fall 2016
Tags: Psychology
Name: Week 4 Notes
Description: Includes lectures 7 and 8 (Female anatomy, physiology, and health)
Uploaded: 09/19/2016
6 Pages 13 Views 10 Unlocks
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  • 24/7 Homework help
  • Notes, Study Guides, Flashcards + More!
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