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| part_of = [[Vulva]] |
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The '''vulval vestibule''' (also known as the '''vulvar vestibule''' or '''vestibule of vagina''') is the part of the [[vulva]] between the [[labia minora]]. On the inside, the [[urinary meatus]] and the [[ |
The '''vulval vestibule''' (also known as the '''vulvar vestibule''' or '''vestibule of vagina''') is the part of the [[vulva]] between the [[labia minora]]. On the inside, the [[urinary meatus]] and the [[vaginal opening]] open to the vestibule, while the outer edge is marked by '''Hart's line''', named after [[David Berry Hart]]. |
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It represents the [[distal]] end of the [[urogenital sinus]] of the [[embryo]].<ref name=":0">''Manual of Obstetrics''. (3rd ed.). Elsevier. pp. 1–16. {{ISBN|9788131225561}}.</ref> |
It represents the [[distal]] end of the [[urogenital sinus]] of the [[embryo]].<ref name=":0">''Manual of Obstetrics''. (3rd ed.). Elsevier. pp. 1–16. {{ISBN|9788131225561}}.</ref> |
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| Vulval vestibule | |
|---|---|
Vestibule marked by a dotted line
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| Details | |
| Precursor | Urogenital sinus |
| Part of | Vulva |
| System | Reproductive system |
| Identifiers | |
| Latin | vestibulum vaginae |
| TA98 | A09.2.01.011 |
| TA2 | 3558 |
| FMA | 19970 |
| Anatomical terminology | |
The vulval vestibule (also known as the vulvar vestibuleorvestibule of vagina) is the part of the vulva between the labia minora. On the inside, the urinary meatus and the vaginal opening open to the vestibule, while the outer edge is marked by Hart's line, named after David Berry Hart.
It represents the distal end of the urogenital sinus of the embryo.[1]
Structures opening in the vulval vestibule are the urethra, vagina, Bartholin's glands, and Skene's glands.[1]
The external urethral orifice is placed about 25–30 millimetres (1–1.2 in)[2] behind the clitoris and immediately in front of that of the vagina; it usually assumes the form of a short, sagittal cleft with slightly raised margins. Nearby are the openings of the Skene's ducts.
The vaginal orifice is a median slit below and behind the opening of the urethra; its size varies inversely with that of the hymen.
To the left and right of the vulval vestibule are the labia minora. Anterior to it are the clitoral hood, frenulum clitoridis, and the clitoral glans. Posterior to it is the posterior commissure of the labia minora and the frenulum of labia minora.
The sides of the vestibule are visible as Hart's line on the inside of the inner lips. Hart's line is the outer edge of the area and marks the change from vulvar skin to the smoother transitional skin of the vulva.
Except for primates (including humans) and some rodents, the equivalent of the vulval vestibule in many other female mammals is called the urogenital sinus,[3] the same term used to refer to the body part of the mammalian embryo that has separated from the anal canal.
The prevalence of pain at the vulvar vestibule is relatively common. A study by the University of Michigan found that about 28% of women have experienced vulvar vestibular pain in the past, and about 8% had the pain in the last six months.[4]
This article incorporates text in the public domain from page 1264 of the 20th edition of Gray's Anatomy (1918)
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