12709423-Female-Reproductive-Disorders - OVERVIEW OF FEMALE...

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REPRODUCTIVE DISORDERS by:EGBautista II, USI-BSN (Jan’09) OVERVIEW OF FEMALE REPRODUCTIVE SYSTEM External Parts Description Function Vulva The external genitalia (vulva) include two thick folds of tissue called labia majora & labia minora >Protects the body from foreign materials & plays a role in sexual stimulation Mon Pubis >Rounded pad of flesh, over symphisis pubis; hair covered after puberty Labia Majora >2 elongated folds of tissue >Protects the orifes Labia Minora >2 thin folds of tissue b/w labia majora & vaginal opening, divide & unite to form the hood-loke prepuce of the clitoris >Sebaceous glands & sweat glands are located in the folds Clitoris >Small projection of erectile tissues >For sexual stimulation Vestibular bulbs >2 sacculated collections of veins, homologous to corpus spongiosum Vestibule of vagina >Almond-shaped space consisting of delicate mucous membranes b/w labia minora; bounded anteriorly by clitoris & posteriorly by fourchette >Provides opening for urethra, vagina & 2 ducts of Bartholin’s gland Vaginal orifice or intoitus >Below the opening of the clitoris >Below each side of vaginal orifice is a vestibular (Bartholin’s) gland Bartholin’s gland >2 mucus –secreting gland >Help to lubricated tissue during intercourse Internal Parts Description Function 1. Vagina >Anterior to it are >Upper part of the bladder & the urethra, and posterior – rectum vagina, the fornix , surrounds the cervix 2. Ovaries >The ovaries & the fallopian tubes together are referred as the adnexa >Contains thousands of tiny egg cells, or ova 3. Fallopian tubes >Thin-walled tubes with serosal covering, muscular layer & ciliated mucous lining >Transport ova to uterus for implantation 4. Uterus Linings: 1. Endometrium 2. Myometrium 3. Perimetrium Has two parts: 1. Cervix 2. Fundus >Pear-shaped, hollow muscular organ in pelvic cavity >2.5 cm long, 5 cm ay widest point, 2cm at narrowest point with opening to vagina (cervix) >Environment for implantation, development & delivery of fetus > Cervix - Allow entry of sperm fro fertilization Pelvic Blood Supply Most blood supply to the external genital is from: .a Hypogastric artery .b Ovarian artery .c Vaginal artery .d Uterine artery Innervation Innervate - supply nerves to (some organ or body part) provide innervation to the pelvic structures Sexual Arousal Is controlled by parasympathetic dilation of blood Uterine myometrium Is innervated only by the sympathetic nerve fibers Perineum Supplied principally by the pudendal nerve Roles of Hormone Controlled by: hypothalamic releasing factors & anterior pituitary .a FSH (Follicle stimulating hormone) .b LH (Luteinizing hormone) 1. Stimulates sexual desire Dyspareunia – painful sexual intercourse 2. Interact with hypothalamic-pituitary unit & uterus for: .a Ovarian changes (follicular development. Ovulation, corpus luteum formation)
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This note was uploaded on 05/16/2011 for the course NURSING 112 taught by Professor Brinley during the Spring '11 term at Pace.

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12709423-Female-Reproductive-Disorders - OVERVIEW OF FEMALE...

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