Lab 1

Question 1

external abdominal oblique

Question 2

internal abdominal oblique

Question 3

rectus abdominis

Question 4

transversus abdominis

Question 5

linea alba

Answer 5

• midventral raphe that consists of the fused thoracolumbar fascia and the aponeuroses of the abdominal muscle
• extends from the xiphoid process to the symphysis pelvis

Question 6

superficial inguinal ring

Answer 6

slit in the aponeurosis (external abdominal oblique) with a cranial and caudal angle

Question 7

inginal canal

Answer 7

external opening of a very short natural passageway through the abdominal wall

Question 8

vaginal tunic

male

Answer 8

blind extension of peritoneum protrudes through the inguinal canal to a subcutaneous position outside the body wall

Question 9

vaginal process

female

Answer 9

blind extension of peritoneum protrudes through the inguinal canal to a subcutaneous position outside the body wall

Question 10

inguinal ligament

Answer 10

• caudal border of the aponeruosis of the external abdominal oblique
• terminates on the iliopubic eminence and prepubic tendon

Question 11

vascular lacuna

Answer 11

base of femoral triangle, the space that contains the femoral vessels that run to and from the hindlimb

Question 12

cremaster muscle

Question 13

abdominal cavity

Answer 13

• formed by the muscles of the abdominal wall, the ribs, and the diaphragm
• lined by peritoneum

Question 14

peritoneal cavity

Answer 14

• closed space
• lined by a serous membrane

Question 15

parietal peritoneum

Answer 15

layer that lines the body wall and has to be incised to open the perioneal cavity

Question 16

visceral peritoneum

Answer 16

surrounds all organs

Question 17

connecting peritoneum

Answer 17

extends between the parietal and visceral peritoneums and forms a mesentery that suspends the organs of the abdominal cavity and contains blood vessles and verves

Question 18

mesentery

Answer 18

considered connecting peritoneium