Female Genital System (Internal & External) – Anatomy
sex July 10th. 2024, 1:17pmIntroduction: 0:00
Ovaries: 0:50
Uterine Tube: 09:10
Uterus: 13:01
Vagina: 21:48
External Genital Organs: 25:56
Vestibule: 26:28
Labia Minora/Inner Lips: 27:25
Clitoris: 27:57
Bulb of Vestibule: 28:36
Labia Majora/Outer Lips: 29:06
Mons Pubis: 29:49
Summary: 30:06
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Internal Genital Organs
Ovary
– Inner Structures
β Tunica Albuginea (tunica albuginea ovarii)
β Ovarian Cortex (cortex ovarii)
β Ovarian medulla (medulla ovarii)
β Follicules
– External Structures
β Mesovarian border (margo mesovaricus)
β Free Border (margo liber)
β Tubal Extremity (extremitas tubaria)
β Uterine extremity (extremitas uterina)
β Medial Surface (facies medialis)
β Lateral Surface (facies lateralis)
– Fixation of the Ovary
β Ligament of Ovary (ligamentum ovarii proprium)
β Suspensory ligament of ovary (ligamentum suspensorium ovarii)
β Mesovarium
Growth and Maturation of Follicules:
– Primordial Follicule
β Contain primary oocyte
β Single layer of follicular cells
– Primary Follicules (after puberty, FSH)
β Granulosa Cells
– Secondary Follicle
β Primary Oocyte
β Zona Pellicida
β Granulosa Cells
β Follicular Fluid
β Produce Estrogen
β Antrum
β Theca Folliculi
– Graafian Follicle / Tertiary Follicle
– Secondary oocyte. Ovulation
– Corpus Luteum
– Corpus Albicans
Uterine Tube (tuba uterina)
– Parts of uterine tube:
β Infundibulum (infundibulum tubae uterinae)
Β§ Abdominal Ostium (ostium abdominale)
Β§ Fimbriae (fimbriae tubae uterina)
Β§ Ovarian Fimbria (fimbria ovarica)
β Ampulla (ampulla tubae uterinae)
β Isthmus (isthmus tubae uterinae)
β Uterine Part (pars uterina)
Β§ Uterine ostium (ostium uterinum)
– Walls of Uterine tube:
β Tunica Mucosa
β Tunica Muscularis
β Tunica Serosa
β Mesosalpinx
Uterus
– Parts:
β Positioned in anteflexion
β Fundus of uterus (fundus uteri)
β Body of Uterus (corpus uteri)
β Intestinal (posterior) surface (facies intestinalis)
β Vesical (anterior) surface
β Border of uterus (margo uteri)
β Cervix of uterus
Supravaginal part (portio supravaginalis cervicis)
Vaginal Part
β Uterine horn
β Uterine cavity
β The uterine opening of the oviduct (ostium uterinum tubae uternae)
β Cervical Canal (canalis cervicis
β External os of uterus (ostium uteri)
Β§ Anterior lip of cervix (labium anterius)
Β§ Posterior lip of cervix (labium posterius)
Β§ Nullipara: small and round opening
Β§ Primipara/multipara: narrow fissure
– Internal Structures (histology):
β Endometrium
Β§ Functional Layer (stratum functionalis)
β‘ Simple columnar epithelium
β‘ Endometrium Stroma
β‘ Uterine Glands
Β§ Basal Layer (stratum basalis)
β Myometrium
Β§ Longitudinal bundles of smooth muscle
Β§ Middle layer (stratum vasculare)
Β§ Arcuate Arteries
Β§ Radial Arteries
Β§ Straight arteries and Spiral arteries
β Perimetrium
– Fixation of the Uterus
β Peritoneal Folds
Β§ Broad Ligament of Uterus (ligamentum latum uteri) formed by peritoneum
– Mesovarium
– Mesosalpinx
– Mesometrium
β Parametrial Ligments
Β§ Cardinal ligament of uterus (ligamentum cardinale uteri)
Β§ Vesico-uterine ligament (ligamentum vesicouterinum)
Β§ Pubocervical ligament (ligamentum pubocervicale)
Β§ Uterosacral ligaments (ligamenta sacrouterina)
Β§ Recto-uterine ligament (ligamentum rectouterinum)
Β§ Round ligament of uterus (ligamentum teres uteri)
β Supporting apparatus of uterus
Β§ Perineal Muscles
Β§ Levator Ani Muscle (musculus levator anii)
Vagina (vagina)
– Vagina Orifice (ostium vaginae)
– Vestibule (vestibulum vaginae)
– Vaginal Canal (canalis vaginalis)
– Anterior wall (paries anterior)
– Posterior wall (paries posterior)
– Vaginal Fornix (fornix vaginae)
β Anterior part (pars anterior)
β Posterior aprt (pars posterior)
β Lateral parts
– Hymen
β Clinical significance: imperforated hymen may require medical intervention
– Urethrovaginal septum (Septum Urethrovaginale)
– Rectovaginal septum (septum rectovaginale)
– Recto-uterine pouch / Pouch of douglas (excavatio rectouterina douglasi)
Vaginal Wall (histology):
– Mucosa
β Forms transverse folds
β Estrogen promotes storage of glycogen
– Muscularis
External Genital Organs:
– Vestibule
β Lesser vestibular glands (glandulae vestibulares minores)
β Greater vestibular glands / Bartolin’s glands (glandula vestibularis major bartholini). May form barthlin’s cyst
– Labia Minora (labia minora pudendi)
– Clitoris
β Glans of clitoris (glans clitoridis)
β Body of clitoris (corpus clitoridis)
β Crura of clitoris (crura clitoridis)
β Prepuce of clitoris (preputium of clitoridis)
– Bulb of vestibule (bulbus vestibuli)
– Labia Majora / outer lips (labio majora pudendi)
– Mons Pubis
Sources:
Memorix
Complete Anatomy by 3d4medical
Biorender
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