Hae Abdomen 2

Front 1

which nerve provides motor innervation to the cremaster muscle and cutaneous innervation to the scrotum and labia majora?

Back 1

the genital branch of the genitofemoral nerve

Front 2

which plexus drains the testis and functions in temperature regulation?

Back 2

the pampiniform plexus

Front 3

what artery supplies the testis with blood?

Back 3

the testicular artery

Front 4

what carries sperm from the epididymis to the ejaculatory duct?

Back 4

the vas deferens or ductus deferens

Front 5

what artery supplies the ductus deferens with blood?

Back 5

the artery to the ductus deferens

Front 6

where does the inferior margin of the aponeurosis of the external oblique run?

Back 6

from the asis to the pubic tubercle

Front 7

what aponeurosis folds upon itself to form the inguinal ligament?

Back 7

the external oblique

Front 8

what portion of the inguinal canal does the inguinal ligament form?

Back 8

the inferior aspect

Front 9

what forms the superior portion of the inguinal canal?

Back 9

the aponeuroses of the internal oblique and transversus abdominis

Front 10

what forms the anterior wall of the inguinal canal?

Back 10

the external oblique aponeurosis

Front 11

what forms the posterior wall of the inguinal canal?

Back 11

the transversalis fascia

Front 12

what lies in the inguinal canal in males?

Back 12

the spermatic cord

Front 13

what lies in the inguinal canal in females?

Back 13

the ligamentum teres

Front 14

where are hernias most commonly found?

Back 14

in the umbilical region and in the inguinal region

Front 15

what constitutes a hernia

Back 15

a protrusion of the parietal peritoneum forming a sac that may or may not contain intra-abdominal viscera

Front 16

what defines an indirect hernia?

Back 16

it passes through the internal inguinal ring

Front 17

what defines a direct hernia?

Back 17

it protrudes through the inguinal triangle

Front 18

what forms the borders of the inguinal triangle?

Back 18

the rectus abdominis, inferior epigastric vessels, and the inguinal ligament

Front 19

what determines if a hernia is direct or indirect?

Back 19

if it happens medially or laterally to the inferior epigastric vessels

Front 20

how many layers of the abdominal wall form coverings over the spermatic cord?

Back 20

three

Front 21

what does the external oblique correspond to in the spermatic cord?

Back 21

the external spermatic fascia

Front 22

what does the internal oblique correspond to in the spermatic cord?

Back 22

the cremasteric muscle/fascia

Front 23

what does the trasnversalis fascia correspond to in the spermatic cord

Back 23

the internal spermatic fascia

Front 24

what structures are found in the spermatic cord?

Back 24

the vas deferens, the testicular artery, the arery of the vas, the pampiniform plexus, and the processus vaginalis

Front 25

what is the processus vaginalis?

Back 25

obliterated peritoneum found at the center of teh spermatic cord

Front 26

what's the most important function of the pampiniform plexus?

Back 26

temperature regulation (it runs countercurrent)

Front 27

what is the name of the thick fibrous layer covering the testis?

Back 27

the tunica albuginea

Front 28

what layers are found on the interior and lateral aspects of the testis?

Back 28

the parietal and visceral layers of the tunica vaginalis

Front 29

where does the tunica vaginalis come from?

Back 29

it is residucal processus vaginalis

Front 30

where do the seminiferous tubules drain?

Back 30

the epididymis

Front 31

what surface of the testis is the epididymis found on?

Back 31

the posterior

Front 32

where does sperm go from the epididymis?

Back 32

the vas deferens

Front 33

where do venous and lymphatic return from the testis go?

Back 33

the aorta (NOT the inguinal area)

Front 34

what's inside the peritoneum?

Back 34

a few cc's of fluid

Front 35

what type of cells make up the peritoneum?

Back 35

simple squamous mesothelial cells

Front 36

what is the embryologic origin of the peritoneum?

Back 36

it comes from the intraembryonic coelom

Front 37

what portion of the peritoneum is next to the organs?

Back 37

the visceral peritoneum

Front 38

what portion of the peritoneum is against the abdominal wall?

Back 38

the parietal peritoneum

Front 39

what does it mean for an organ to be intraperitoneal?

Back 39

it has invaginated far enough into the peritoneum to flop around freely in the abdominal cavity

Front 40

what is the dorsal mesentery?

Back 40

a sandwich of peritoneum bread with vessels and nerves as peanut butter - derived by the invagination of things into the peritoneum

Front 41

what does it mean for an organ to be secondarily retroperitoneal?

Back 41

the mesentery has flattened back down on the posterior wall of the abdominal cavity - an organ is behind it

Front 42

what is the external/superficial inguinal ring an opening in?

Back 42

the external oblique aponeurosis

Front 43

what is the internal/deep inguinal ring an opening in?

Back 43

the transversalis fascia

Front 44

where is the femoral ring in relation to the inguinal ligament?

Back 44

inferior

Front 45

what does the dartos muscle do?

Back 45

it corrugates the scrotal skin for thermoregulation

Front 46

where does the lymph of the scrotum drain?

Back 46

to the inguinal nodes

Front 47

do the lymph of the scrotum and the testes drain to the same place?

Back 47

no