A cutaneous fibromuscular sac that contains the testis and associated structures.
Dilated tributaries of the superior rectal vein.
Skin of the posterior part of labia majora and minora.
Terminal branch of the perineal artery.
Anterior scrotal artery (from deep external pudendal artery) and posterior scrotal artery (from perineal artery).
The anorectal junction, marked externally by the puborectalis sling.
External pudendal veins drain into the great saphenous vein.
Transperineal or perirectal approaches.
Anterior scrotal nerves (from ilioinguinal nerve) and genital branch of genitofemoral nerve.
Smooth muscle of the muscularis externa, under involuntary control.
Glans clitoris (formed by corpus cavernosum).
Levator ani.
Superior rectal vein, which drains into the portal system.
An expansion of the spongy urethra at the bulb of the penis.
It consists of three parts: deep, superficial, and subcutaneous.
Distal enlargement of the corpus spongiosum.
Superficial tissue of the penis, corpus spongiosum, and spongy urethra.
Runs within the corpora cavernosa.
Dorsal nerve of the penis.
Ischioanal fossa, anal canal and anus, external anal sphincter, anococcygeal ligament, pudendal canal and its enclosed structures, inferior rectal nerves and vessels.
To diagnose and manage chronic pelvic pain caused by pudendal neuralgia.
A serrated line along the anal valves that divides the anal canal into upper and lower halves.
They receive autonomic innervation.
If they are clotted and prolapsed outside.
A condensation of deep fascia that arises from the pubic symphysis.
Bulbs of vestibule and greater vestibular glands.
They aid in maintaining fecal continence.
At the anal verge (anocutaneous line).
Longitudinal folds of mucosa containing the terminal branches of superior rectal vessels.
Erectile tissue of the clitoris.
Posterior scrotal nerves (from perineal nerve) and perineal branch of posterior femoral cutaneous nerve.
Darto’s fascia that forms the scrotal septum.
Sacrotuberous ligament (cut).
Internal pudendal artery.
In the section 'arteries of the pelvis' (Pelvis I).
A visible ridge of tissue on the surface of the scrotum that divides it into two lateral portions.
It features the anal pecten, which is a smooth area lined by non-keratinized squamous epithelium with no hair or sweat glands.
Connections present around the anal pecten line.
Skin of the anal region.
The location of anal cushions.
Femoral artery.
Terminal branch of the internal pudendal artery.
Mons pubis and anterior aspect of labia.
An internal hemorrhoid that has protruded outside the anal canal.
By veins with the same names as the corresponding arteries.
It thickens to form the internal anal sphincter and surrounds the superior 2/3 of the anal canal.
Crura and bulb.
Ischioanal fossa.
Internal iliac lymph nodes.
Skin of anterior labium majus and mons pubis.
Anococcygeal ligament.
It is tonically contracted.
Corpora cavernosa (for erection).
Paired erectile tissues containing the deep arteries of the penis.
Large, bilateral wedge-shaped spaces filled with fat and fibrous septa.
At the 3, 7, and 11 o’clock positions.
Pudendal nerve entrapment.
It is continuous with the penile raphe on the ventral surface of the penis.
The glans penis.
They can spread to the other side through a communication pathway behind the anus.
A horizontal passageway within the condensation of the obturator fascia, quite short (mean length of ~1.6 cm in adults).
Ischium.
Bulbous portion and penile portion.
External anal sphincter.
Male organ of copulation and outlet for urine and semen.
The perineal membrane.
Superior rectal artery.
An extension of the ischioanal fossa forwards, beyond the posterior border of the perineal membrane and into the UG triangle.
Crescent mucosal folds joining the inferior ends of anal columns.
Terminal branch of the perineal artery.
Near the ischial spine.
The terminal part of the large intestine.
Arterial and venous plexuses, arteriovenous connections, smooth muscles, and fibrous strands.
Transvaginal approach.
They are managed as skin cancer.
A band of subcutaneous tissue descending from the midline from the linea alba, surrounding the penis.
Anal columns, anal sinuses, anal valves, anal cushions, and anal pecten.
Internal pudendal vessels.
In the correct anatomical position.
Sacrotuberous ligament and gluteus maximus.
Connective tissue of the clitoris.
Ilioinguinal nerve (L1).
It is associated with the structures in the ischioanal fossa.
Inferior rectal artery.
Perineal nerve (S2 – S4).
Sensory innervation to the clitoris.
Above the deep perineal pouch (or UG diaphragm).
Above the pectinate line.
A regional anesthesia technique.
It connects posteriorly along the midline with the perineal raphe.
Sensory signal transmission in the pudendal nerve.
The distal end of the anal canal where pigmented skin is present, along with hair and sweat glands.
The anococcygeal ligament.
It begins just below the ischial spine and ends near the posterior margin of the perineal membrane.
Via the anterior recesses of the ischioanal fossa.
It runs on the lateral wall of the ischioanal fossa.
Scarpa’s fascia.
Pudendal nerve and internal pudendal vessels.
Into the vesical venous plexus.
Recesses between anal columns, proximal to anal valves, containing openings of ducts of anal glands.
It supplies blood to the perineal vessels, including the posterior scrotal arteries.
The internal pudendal artery.
A single erectile tissue containing the spongy urethra.
Ventral to the corpora cavernosa.
Three swellings in the interior wall of the anal canal.
A prolongation of the Darto’s fascia that divides the internal space of the scrotum into two compartments.
It begins at the distal end of the membranous urethra and ends at the external urethral orifice.
The deep (Buck’s) fascia of the penis at the junction between the root and body.
An external hemorrhoid that has formed a clot.
Suspensory ligament and Buck’s fascia.
In the bulb of the penis.
Bodies of the pubic bones inferior to puborectalis.
Terminal branch of the internal pudendal artery.
Bulb of vestibule (formed by corpus spongiosum).
Buck’s fascia.
In the superficial perineal pouch.
An expansion of the spongy urethra at the glans penis.
A fascia related to the perineal region and ischioanal fossa.
Inferior rectal vein, which drains into the caval system.
Superficial inguinal lymph nodes.
Perineal artery.
A cushion of fatty tissue anterior to the pubis, covered by coarse pubic hair.
Deep to Buck’s fascia, medial to the deep arteries of the penis.
They are hairless and contain erectile tissue and small blood vessels.
On each side of the external urethral orifice.
Two crura that attach to the ischiopubic rami.
It is a branch of the deep external pudendal artery, which comes from the femoral artery.
It forms a sling around the anorectal junction and helps maintain fecal continence.
Greater vestibular gland (in superficial perineal pouch).
Deep to Buck’s fascia in the penis, medial to the dorsal nerves of the penis.
It is relatively thin compared to the circular layer and extends outwards as the fibrous septa of the ischioanal fossa.
The prepuce (foreskin).
A median fold of skin that attaches the prepuce to the glans.
Inferior hypogastric plexus.
To the inferior parts of the internal surfaces of the ischial rami.
Helps with fecal continence and allows distension of the anal canal.
Cavernous spaces of corpora cavernosa and other deep structures.
They involve dilated tributaries of the inferior rectal vein and receive somatic innervation.
Terminal branch of the pudendal nerve, S2 – S4.
Vasodilation of helicine arteries (branches of deep artery of penis).
It can produce abscesses and form fistulae in the wall of the anal canal.
Labia minora.
Urethral artery and dorsal artery of the penis.
Through urethral veins and dorsal veins of the penis.
Vasodilation of helicine arteries to produce erection/engorgement of erectile tissue.
Sensitive to stretch only.
Inferior rectal nerve.
The vestibule.
Superficial external pudendal vein, which then joins the great saphenous vein.
Superficial tissues of the penis.
The opening of the vagina.
Levator ani.
Left anal cushion, right anterior anal cushion, right posterior anal cushion.
Labia majora.
Posterior border of perineal membrane.
A fibrous capsule called tunica albuginea.
Paired elongated erectile tissue that stretches along the sides of the vaginal orifice.
Broad folds of skin on each side that pass from the mons pubis towards the anus, covered with crisp pubic hair.
Weakened anal cushions due to frequent straining.
The medial folds of the labia minora unite to form it, anchoring the clitoris in place.
Root, body, and glans.
Prostatic nerve plexus (fibers from S2 – S4).
Coccyx.
Bulb of penis, corpus spongiosum, glans penis, urethra.
The corpus spongiosum.
Pelvic diaphragm.
Paraurethral mucous glands homologous to prostatic glands in males.
The lateral fold of the labium minus.
The exposed part at the distal end of the body, covered by prepuce.
Prostatic/vesical venous plexus.
The space surrounded by the labia minora that contains the vaginal and urethral orifice.
Below the pectinate line.
Where the labia minora meet anteriorly.
Deep to Buck’s fascia, lateral to the dorsal arteries of the penis.
Sensitive to pain, temperature, and touch.
Glands located in the superficial perineal pouch that secrete mucus.
Between superficial and deep fascia of the penis.
It connects the glans clitoris to the labia minora.
