Unit 3- Perineum- Urogenital Triangle Flashcards
Boundaries of the urogenital triangle
Anterior- Symphysis pubis
Lateral- Ischiopubic rami
Posterior- Imaginary line connecting the ischial tuberosities
Contents of the urogenital triangle
Roots of the external genitalia
Openings of the urogenital system
Bulb of the penis is attaches to what?
The undersurface of the urogenital diaphragm
The bulb of the penis extends to form:
Corpus spongiosum and glans penis
Each crusade of the penis is attached to what?
The pubic arch
Cura of the penis extend to form:
Corpora cavernosa
What covers the bulb of the penis?
Bulbospongiosus
What covers the crura of the penis?
Ischiocavernosus
What is the internal pudendal artery a branch of?
Internal iliac artery
Branches of the internal pudendal artery
Inferior rectal
Perineal
Arteries to penis (clitoris)
Arteries to penis/clitoris
Artery of bulb of penis
Urethral artery
Deep artery of penis
Dorsal artery of penis
Branch of the perineal artery
Posterior scrotal artery
Anterior scrotal artery is a branch of the:
Femoral artery
Nerves supplying the genital region
Pudendal nerve (somatic)
Ilioinguinal nerve (somatic)
Genitofemoral nerve (somatic)
Parasympathetic (erection)
Sympathetic (ejaculation)
The Ilioinguinal nerve passes through part of the _____ _____. It innervates the skin over:
Inguinal canal
Over the root of the penis and upper scrotum in males
Covering the mons pubis and labia majora in females
The genital branch of the genitofemoral nerve passes (THROUGH/BENEATH/ABOVE) the inguinal canal
It innervates:
Through
Cremaster muscle and sensory for bottom of scrotum (males)
Round ligament and labia majora (female)
Femoral branch of the genitofemoral nerve passes (THROUGH/BENEATH/ABOVE) the inguinal ligament
It innervates:
Beneath
Small area on medial thigh
The pudendal nerve is a branch of the _____ plexus
Sacral
Branches of the pudendal nerve
Inferior rectal nerve
Perineal nerve
Dorsal nerve of penis or clitoris
Lymphatic drainage of the urogenital triangle
Superficial inguinal nodes (skin)
Internal iliac nodes (deep)
Urogenital triangle in women contains
Vaginal structures
Vulva consists of:
All external genital organs of the female
Contents of the vulva
Mons pubis
Labia majora
Labia minora
Vestibule
Clitoris
Opening of para-urethral (Skene’s) glands
Opening of greater vestibular (Bartholin’s) glands
The clitoris corresponds to the:
Penis
What forms the glans clitoris?
Bulbs of the vestibule
Crura of the clitoris extends to form the:
Body of the clitoris (corpora cavernosa)
What covers the bulbs of the vestibule?
Bulbospongiosus
What covers the crura of the clitoris?
Ischiocavernosus
Glands only present in women
Greater vestibular (bartholin’s glands)
Mucus secreting glands that are present under the bulbs of the vestibule and labia majora
Greater vestibular (bartholin’s) glands
Greater vestibular (bartholin’s) glands open into the:
Vestibule
Paraurethral glands (skene’s) glands are analogous to the:
Male prostate
What do the paraurethral (skene’s) glands open into?
The urethra
Female innervation of the pudendal nerve- branches
Inferior rectal
Perineal
Ischial (all labia)
Dorsal nerve of the clitoris
The superficial perineal pouch is the area between the _____ layer of the ______ ______ and the _____ ____.
Membranous
Superficial fascia (colle’s fascia)
Urogenital diaphragm (perineal membrane)
Contents of the superficial perineal pouch in the male
Bulb of penis
Crura of the penis
Bulbospongiosus
Ischiocavernosus
Superficial transverse perineal muscles
Perineal body
Perineal branch of pudendal nerve
Branches of internal pudendal artery
Contents of superficial perineal pouch in women
Bulbs of vestibule
Crura of clitoris
Bulbospongiosus
Ischiocavernosus
Superficial transverse perineal muscles
Perineal body
Perineal branch of pudendal nerve
Branches of internal pudendal artery
Greater vestibular (bartholin’s) glands
