04.1 Anatomy of the Male Reproductive Tract Flashcards
What are the contents of the scrotum?
Testis
Epididymis
Spermatic cord
What layer are the testis surrounded by?
Tunica vaginalis
What layer are the testis enclosed by?
Tunica albuginea
What is the arterial supply to the testis?
Direct gonadal supply from abdominal aorta
What is the venous drainage of the testis?
Right testicular vein - IVC
Left testicular vein - Left Renal Vein
What are the three anatomical parts of the epididymis?
Head
Body
Tail
What is the course of the spermatic cord?
Through the inguinal canal to the posterior border of the testis
What are the contents of the spermatic cord?
Testicular artery Cremasteric artery Artery to vas deferens Vas deferens Lymphatics Processus vaginalis
What is a hydrocoele?
Serous fluid in the tunica vaginalis
What is a haematocoele?
Blood in the tunica vaginalis
What is a varicocoele?
Varicosities of the pampiniform plexus
What is a spermatocoele?
Epididymal cyst
What happens in testicular torsion?
Twisting just above the upper pole
Risk of necrosis of the testis
What is the lymphatic drainage of the testis and scrotum?
Testis - Drains to para-aortic nodes
Scrotum - Drains to superficial inguinal nodes
What is the course of the vas deferens?
Ascends in spermatic cord
Through inguinal canal
Passes between bladder and ureter
Opens in ejaculatory duct
What are the seminal vesicles?
Diverticulum of vas deferens
Large secretory volume in ejaculate
What are the anatomical relationships of the prostate?
Base - Neck of bladder Apex - Urethral sphincter Anterior - Urethral sphincter Posterior - Rectum Inferolateral - Levator Ani
Which part of the prostate enlarges in benign prostatic hyperplasia?
Middle lobe
What symptoms does benign prostatic hyperplasia cause?
Dysuria
Nocturia
Urgency
How does prostatic cancer spread?
Lymphatic route - internal iliac and sacral nodes
Venous routes - internal vertebral plexus to vertebrae and brain
Describe the internal structure of the penis
Pair of corpus cavernosa dorsally
Single corpus spongiosum ventrally wrapped around the urethra
What is the arterial blood supply to the penis?
Pudendal artery branches