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UG-Anal Triangle

UG-Anal triangle, female and male reproduction anatomy 2 NWHSU

QuestionAnswer
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: Shawn D. Schwartz Shawn D. Schwartz on 2011-07-02



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