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UG-Anal Triangle
UG-Anal triangle, female and male reproduction anatomy 2 NWHSU
| Question | Answer |
|---|---|
| What structure is related to the posterior surface of the prostate gland? | Recturm |
| What structure is related to the base of the prostate gland? | Neck of bladder |
| Homologue of the female vagina, formerly thought to be homologue of uterus. | Prostatic utricle |
| Approximate length of ductus epididymis. | 20-23 ft (6-8 m) |
| Component applied to most of the external surface of the tunica albuginia of the testis? | Tunica vaginalis |
| Specific named part of broad ligament that forms it's inferior aspect. | Mesometrium |
| Part of the levator ani that prevents incontinence. | Puborectalis |
| Component which forms the arcus tendineus. | Obturator fascia running from pubis to ischial spine |
| Give all structural components forming the broad ligament. | The anterior and posterior sheets of peritoneum approximate one another, and extend from the uterus to the lateral pelvic wall. |
| Landmark through which the tendon of the obturator internus exits the pelvis. | Lesser sciatic foramen |
| From what components does the suspensory ligament of the clitoris arise? | Deep fascia of abdomen |
| From what components does the prepuce of the clitoris arise? | Lateral folds of the labia minora |
| List two different muscles occupying the superficial perineal space. | ischiocavernosus, bulbospongiosus, superficial transverse perineal muscles |
| List three differently named structures located in the deep perineal space of the male. | external urethral sphincter, deep transverse perineal muscle, bulbourethral (Cowper's) glands |
| Female homologue of proximal part of the corpus spongiosum. | Vestibular bulb |
| A patient presents with a ruptured bulbar penile urethra. The deep fascia of the perineum is not damaged. In which area(s) would you expect urine to collect during micturition? | Penis |
| Define the pudendal cleft. | Space between labia majora |
| Define the crura of the perineum. | corpus cavernosa attached to urogenital structures |
| Fold of skin formed by labia minora; forms a hood over most of the clitoris. | Prepuce |
| The anterior recesses of the ischiorectal fossa are located superiorly and inferiorly between what two structures? | Deep perineal pouch and levator ani |
| The part of the levitator ani that arises from the arcus tendeneus. | Iliococcygeus |
| Specific part of broad ligament surrounding the uterine tube. | Mesosalpinx |
| Give the composition of the head of the epididymis. | efferent ducts and proximal ductus epididymis |
| Define location of the posterior lobe of the prostate. | Posterior to prostatic urethra and inferior to ejaculatory duct |
| Counting the outer skin of the anterior scrotum as the first layer, give the fourth layer thorugh which a penetrating item would pass. | Cremaster |
| Discuss the derivation of the trigone muscle. | longitudinal smooth muscle of the ureters |
| Structure forming the posterolateral border of the anal triangle. | Sacrotuberous ligament. |
| Besides the pudendal nerve, give the sources of innervation to the anal triangle. | Perineal branch of S4, perineal branches of the posterior femoral cutaneous nerve |
| Discuss in detail the course taken by the internal pudendal artery and pudendal nerve as they exit the pelvis and pass through the anal canal. | Leave via the greater sciatic foramen, cross over ischial spine, enter the lesser sciatic foramen to supply anal triange. |
| besides lymphatics and nerves, give three specific structures located within the spermatic cord. Give the name of the their immediate covering. | Ductus deferens, artery to ductus deferens, testicular artery, papiniform plexus of veins, vein of ductus deferens. Surrounded by internal spermatic fascia |
| Define location of the median lobe of the prostate. | Midline posterior to urethra and above the ejaculatory ducts |
| Name and define the normal positions of the uterus. | Anteverted-tilted forward from the vagina so that the axes of the two organs are not parallel. Anteflexed-the body is flexed with the concavity facing anteriorly and inferiorly. |
| What lies immediately medial to the anterior half of the uterosacral ligament? | Rectouterine pouch |
| Forms superior boundary of the perineum. | Pelvic diaphragm |
| Define the cardinal ligament. | Aggregation of connective tissue passing between the uterus, vagina and pelvic wall; provides support to the uterus and is attached to the isthmus of the uterus. |
| Part of pelvic diaphragm which originates off the ischial spine and sacrotuberous ligament. | Coccygeus |
| What structure is related to the apex of the prostate? | deep perineal pouch |
| What structure is related to the inferolateral surface of the prostate? | levitator ani muscle |
| Part of male duct system which passes through the prostate and into the urethra. | Ejaculatory duct |
| What structure is associated with the base of the prostate? | Neck of the urinary bladder |
| Depression just lateral to the colliculus seminalis? | Prostatic sinuses |
| Muscle lining the posterior wall of the pelvis. | Piriformis |
| Specific part of broad ligament surrounding the uterine tube. | Mesosalpinx |
| Structure forming the posterolateral border of the anal triangle. | Sacrotuberous ligaments |
| Using an outline format, name all the branches and subbranches of the pudendal nerve. | Perineal Nerve > posterior labial/scrotal nerves adn deep branches of perineal; dorsal nerve of clitoris/penis |
| Name give to Camper's fascia in the perineal region. | Superficial layer of the superficial perineal fascia |
| What fascial layer is also known as Buck's fascia? | Deep fascia of clitoris/penis |
| Forms the anterior boundary of the anal triangle. | Urogenital diaphragm |
| Component immediately internal to renal fascia. | Perirenal fat |
| Counting the outer skin of the anterior scrotum as 1st layer, give the sixth layer through which a penetrating item would pass. | tunica vaginalis |
| Define the isthmus of the prostate. | The anterior lobe or isthmus in midline anterior to urethra and devoid of glands. |
| What is the position of the right testis when compared to the left (higher or lower)? | Higher |
| What is the first part of the male urethra? | Prostatic urethra |
| What is the derivation of the cremaster muscle? | Internal oblique muscle and fascia |
| Makes of the greatest part of the uterine tube, it is thin walled. | Ampulla |
| Landmark through which the tendon of the obturator externus exits the pelvis. | Lesser sciatic foramen |
| Name two branches of the perineal artery. | transvers perineal artery and posterior labial/scrotal artery |
| Forms the anterior boundary of the anal triangle. | A line passing through the ischial tuberosities |
| Structure forming the inferior limit of the deep perineal space. | Perineal membrane |
| Name given to abdominal Scarpa's fascia in the perineal region. | Deep layer of the superficial perineal fascia (Colles) |
| The ____ fascia of the perineum is not continuous with the dartos of the scrotum. | deep perineal |
Created by:
sdschwartz
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