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Questions and Answers
What is the function of the vagina during sexual intercourse?
What is the function of the vagina during sexual intercourse?
How long is the anterior wall of the bladder?
How long is the anterior wall of the bladder?
What is the part of the uterus that lies above the entrance of the uterine tubes?
What is the part of the uterus that lies above the entrance of the uterine tubes?
What is the primary function of the ovary in females?
What is the primary function of the ovary in females?
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What is the part of the uterine tube where fertilization commonly occurs?
What is the part of the uterine tube where fertilization commonly occurs?
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What is the site of the uterus?
What is the site of the uterus?
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What is the function of the vagina during menstruation?
What is the function of the vagina during menstruation?
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What is the part of the cervix that is below the level of the isthmus?
What is the part of the cervix that is below the level of the isthmus?
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What is the purpose of the fimbriae in the uterine tube?
What is the purpose of the fimbriae in the uterine tube?
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How many parts are the uterine tubes divided into?
How many parts are the uterine tubes divided into?
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Study Notes
External Genital Organs: Vulva
- The vulva includes:
- Labia majora: two fatty external folds of skin
- Labia minora: two smaller folds of mucous membrane
- Clitoris: a small erectile organ situated at the superior junction of the labia minora
- Vestibule: a cleft between the labia minora
Openings in the Vestibule
- Vaginal opening: lies in the posterior part of the vestibule, partially closed in virgins by the hymen
- Urethral opening: a small opening located anterior to the vaginal opening
Vagina
- Definition: a muscular tube extending from the vulva to the uterus
- Site: lies between the bladder and urethra (anterior) and rectum and anal canal (posterior)
- Functions: serves as the excretory passage for menstrual fluid, receives the penis during sexual intercourse, and forms the inferior part of the birth canal
Ovary
- Definition: the primary sex organ in females, producing oocytes (ova or eggs) and female sex hormones (estrogen and progesterone)
- Site: lies on the lateral wall of the pelvis, between the external and internal iliac vessels
- Ligaments: Ligament of ovary connects ovary to uterus, and Suspensory ligament of ovary connects ovary to the wall of the pelvis
Blood Supply of Internal Genital Organs
- Ovary: supplied by Ovarian artery (branch from Abdominal aorta) and drained by Ovarian vein (ends into IVC on the right side or left renal vein on the left side)
- Uterine tube: supplied by Uterine and ovarian arteries and drained by Uterine and ovarian veins
- Uterus: supplied by Uterine artery (branch from internal iliac artery) and drained by Uterine venous plexus (ends into internal iliac veins)
- Vagina: supplied by Vaginal artery (branch from internal iliac artery) and drained by Vaginal venous plexus (ends into internal iliac veins)
Uterus
- Definition: a hollow muscular pear-shaped organ
- Site: lies between the urinary bladder (anterior) and the rectum (posterior)
- Parts: divided into the fundus, body, and cervix (with supra vaginal and vaginal parts)
Uterine (Fallopian) Tubes
- Definition: muscular tubes extending from the uterus to the ovary
- Parts: divided into four parts: infundibulum, ampulla, isthmus, and intramural part
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