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Lecture

HSCI 120 Lecture Notes - Mons Pubis, Prostate, Female Genital Mutilation


Department
Health Sciences
Course Code
HSCI 120
Professor
Carolyn Stewart

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HSCI 120
Lecture 2
September 15, 2010
Chapters 4, 6, 10, 11
Genital Self-
Image
Female Outer Sex
Organs (refer
page 83)
Female Inner Sex
Organs (refer
page 89)
Breasts
Clitoris
Circumcision
Male External
Organs (refer
page 93)
Male Internal
Organs (refer
page 97)
Our attitudes towards our genitals
Vulva: Collective term for the external genitals of the female: clitoris, mons pubis, inner lips, outer
lips and vaginal opening
Clitoris: Small, highly sensitive sexual organ in female, found in vaginal entrance (refer page 83),
8000 nerve endings
Hymen: Thin membrane covering the vaginal entrance; Culture thinks as a sign of virginity - Some
are not born with it and some can tear while playing sports (types of hymen, refer page 88)
Mons Pubis: Fatty pad of tissue under the pubic hair
Outer Lips, Labia Majora: Rounded pads of fatty tissue lying on either side of vaginal entrance, has
pubic hair
Inner Lips, Labia Minora: Thin folds of skin lying on either side of vaginal entrance, no pubic hair
Bartholin Glands: Two tiny glands inside the inner lips, unknown function, but sometimes infected
Perineum: Skin between vagina and anus
Introitus: Another word for vagina entrance
Vestibule: Area of the vulva enclosed by the inner lips
Vagina: Birth canal and tunnel which receives penis 8 to 10 cm long if unaroused, inner layer is
vaginal mucosa
Pubococcygeus Muscle: Muscle around the vaginal entrance, the sex muscle
Vestibular Bulbs: Two pea sized erectile tissue organs on both sides of the vagina, running under
the inner lips and Skene’s gland, fill with blood when aroused
Skene’s Gland: The female prostate; aka Paraurethral gland; G-Spot responsible for ejaculations
Uterus: Upside down pear where the fetus develops Fundus (top), myometrium (middle),
perimetrium (outer)
Fallopian Tube: Tube extending from uterus to ovaries
Ovaries: Two organs in the female which produce the eggs and sex hormones (estrogen and
progesterone)
Nipples: Tip of the breast where milk ducts open
Areola: Darker area surrounding nipples
Male vs Female circumcision, Males: doesn’t decrease pleasure, Females: takes away pleasure
While westerners might think this is unnecessary, the villagers who do this rite follow customs by
circumcision, it increases the woman’s chance of finding a partner (for example)
Penis: Male sexual and urinary organ
Corpora Cavernosa: Spongy top part of penis
Corpus Spongiosum: Spongy bottom part of penis
Erection occurs entirely from blood flow, there is no bone
Foreskin, Prepuce: Skin covering tip of penis
Scrotum: Skin which houses the testes
Testes: Balls/Glands in scrotum which produces sperm and sex hormones
Seminiferous Tubules: Tubes in the testes which produce sperm
Interstitial Cells: Cells in testes which manufacture testosterone
Balls move up and down due to the cremasteric reflex

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Male Organ
Practises
Cancer of Breasts
Cancer of
Prostate
Cancer of Testes
Sperm: Male reproductive cell
Epididymis: Highly coiled tube top of testes where sperm mature
Vas Deferens: Tube where sperm passes on their way out to ejaculate
Seminal Vesicles: Sac structures which lie above prostate, produce 70% of seminal fluid
Prostate: Secretes the remaining 30% of the seminal fluid
Cowper’s Glands: Secretes a clear alkaline fluid into urethra
Circumcision: Surgical removal of the foreskin
Superincision: Surgical slit made on the length of the foreskin
Subincision: Surgical slit made underneath the penis, spanning the full penis length and into urethra
Usually genetic and lumps in breasts
3 Types: cysts and fibroadenomas are benign, whereas malignant tumors are dangerous
Mammography: X-Ray detection of breast lumps
Radical Mastectomy: The whole breast and underlying muscles and lymph nodes is removed
Lumpectomy: Lump itself and little surrounding tissue is removed
Hysterectomy: Surgical removal of the uterus
Difficulty in urination
Painless lump in testes
Sperm and Egg
Embryo Support
Systems
Pregnancy: First
Trimester
Pregnancy:
Second
Trimester
Pregnancy: Third
Trimester
Hyaluronidase: Enzyme secreted by sperm which allows sperm to penetrate egg
Zygote: Fertilized egg up to 2 weeks
Embryo: Fertilized egg 2 8 weeks
Fetus: Fertilized egg 8 weeks delivery
Pregnancy usually lasts for 9 months, separated into trimesters
Placenta: Organ formed on wall of uterus through which the fetus receives oxygen and nutrients and
gets rid of waste products
HCG: Human chorionic gonadotropin hormone, secreted by placenta and detected in pregnancy tests
Umbilical Cord: Tube which connects fetus to placenta
Chorion: Outer membrane of fetus
Amnion: Inner membrane of fetus; Fluid which acts as a waterbed cushion for the fetus
Symptoms: Missed period, sensitive nipples, vomiting, nausea
Pregnancy Test: Tested for HCG
Nagele’s Rule: When the expected delivery date is
Take the first day of the last period, subtract 3 months then add seven days and one year
Physical Changes: Breasts swell and tingle, increased hormonal activity, urinate more, more vaginal
discharge, more feelings of sleepiness and fatigue
Primipara: A woman having her first baby
Edema: Excessive fluid retention and swelling in body parts
Colostrum: A watery yellow liquid is secreted out of nipples
Physical Changes: Low in energy due to extreme size of uterus
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