Vagina: Difference between revisions

Latest revision as of 06:06, 5 January 2025

The vagina is a muscular and tubular part of the female genital tract that extends from the vulva to the cervix. It is an essential component of the female reproductive system and plays a crucial role in sexual intercourse, menstruation, and childbirth.

Anatomy[edit]

The vagina is approximately 7.5 to 10 cm (3 to 4 inches) in length and is located between the bladder and the rectum. The vaginal walls are composed of three layers: the inner mucosal layer, the middle muscular layer, and the outer fibrous layer. The inner mucosal layer is lined with stratified squamous epithelium, which provides protection and lubrication.

Functions[edit]

The vagina serves several important functions:

Sexual intercourse: During sexual arousal, the vagina becomes lubricated to facilitate penetration and sexual intercourse.
Menstruation: The vagina allows for the passage of menstrual blood from the uterus to the outside of the body.
Childbirth: During labor, the vagina expands to allow for the passage of the baby from the uterus to the outside world.

Microbiota[edit]

The vaginal environment is home to a diverse community of microorganisms, collectively known as the vaginal microbiota. The most predominant bacteria are from the genus Lactobacillus, which help maintain an acidic pH and protect against infections.

Health and Diseases[edit]

Several conditions can affect the vagina, including:

Vaginitis: Inflammation of the vagina, often caused by infections such as bacterial vaginosis, yeast infection, or trichomoniasis.
Vaginal atrophy: Thinning and drying of the vaginal walls, commonly occurring after menopause.
Vaginal cancer: A rare type of cancer that forms in the tissues of the vagina.

Cultural and Social Aspects[edit]

The vagina has significant cultural and social implications. It is often a subject of taboo and stigma in many societies, which can impact sexual health education and women's health.

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	[[file:Vaginal_Canal_Normal_vs._Menopause.png\|thumb\|left]] [[file:Blausen_0400_FemaleReproSystem_02b.png\|thumb\|left]] [[file:External_female_genitalia.jpg\|thumb\|right]] [[file:Sobo_1906_508.png\|thumb\|right]] [[file:Vagina_(mucosa).JPG\|thumb\|right]] ~~{{clear}} ==Vagina ==~~		[[file:Vaginal_Canal_Normal_vs._Menopause.png\|thumb\|left]] [[file:Blausen_0400_FemaleReproSystem_02b.png\|thumb\|left]] [[file:External_female_genitalia.jpg\|thumb\|right]] [[file:Sobo_1906_508.png\|thumb\|right]] [[file:Vagina_(mucosa).JPG\|thumb\|right]]

	The '''vagina''' is a muscular and tubular part of the female [[genital tract]] that extends from the [[vulva]] to the [[cervix]]. It is an essential component of the female [[reproductive system]] and plays a crucial role in [[sexual intercourse]], [[menstruation]], and [[childbirth]].		The '''vagina''' is a muscular and tubular part of the female [[genital tract]] that extends from the [[vulva]] to the [[cervix]]. It is an essential component of the female [[reproductive system]] and plays a crucial role in [[sexual intercourse]], [[menstruation]], and [[childbirth]].