-
Gastrointestinal (GI) Viscera
Gastrointestinal (GI) Viscera Esophagus (abdominal portion) Is a muscular tube (about 10 inches or 25 cm long) that extends from the pharynx to the stomach, but the short abdominal part (1/2 inch long) extends from the diaphragm to the car
Last updated:
Jan 18 2011, 7:19 AM EST by AndyC
-
Peritoneal Cavity
Peritoneal Cavity Is a potential space between the parietal and visceral peritoneum. Contains a film of fluid that lubricates the surface of the peritoneum and facilitates free movements of the viscera. Is a completely closed sac in the m
Last updated:
Oct 18 2010, 9:01 PM EDT by AndyC
-
Other peritoneal ligaments
Other peritoneal ligaments Phrenicocolic ligament Runs from the left colic flexure to the diaphragm. Falciform ligament Is a sickle-shaped peritoneal fold connecting the liver to the diaphragm and the anterior abdominal wall. Contains th
Last updated:
Oct 19 2010, 12:52 AM EDT by AndyC
-
Mesenteries
Mesenteries Mesentery of the small intestine (mesentery proper) Is a fan-shaped double fold of peritoneum that suspends the jejunum and ileum from the posterior abdominal wall and transmits nerves and blood vessels to and from the small i
Last updated:
Oct 18 2010, 8:47 PM EDT by AndyC
-
Peritoneum and Peritoneal Cavity
Peritoneum Is a serous membrane lined by mesothelial cells. Consists of the parietal peritoneum and the visceral peritoneum . Parietal peritoneum Lines the abdominal and pelvic walls and the inferior surface of the diaphragm. Is
Last updated:
Oct 14 2010, 2:14 AM EDT by AndyC
-
Blood Vessels of the Anterior Abdominal Wall
Blood Vessels of the Anterior Abdominal Wall Superior epigastric artery Arises from the internal thoracic artery , enters the rectus sheath, and descends on the posterior surface the rectus abdominis. Anastomoses with the inferior epigas
Last updated:
Oct 14 2010, 1:49 AM EDT by AndyC
-
Lymphatic Drainage of the Anterior Abdominal Wall
Lymphatic Drainage of the Anterior Abdominal Wall Lymphatics in the region above the umbilicus Drain into the axillary lymph nodes. Lymphatics in the region below the umbilicus Drain into the superficial inguinal nodes. Superficial
Last updated:
Oct 14 2010, 1:45 AM EDT by AndyC
-
Nerves of the Anterior Abdominal Wall
Subcostal nerve Is the ventral ramus of the twelfth thoracic nerve and innervates the muscles of the anterior abdominal wall. Has a lateral cutaneous branch that innervates the skin of the side of the hip. Iliohypogastric nerve Arise
Last updated:
Oct 14 2010, 1:28 AM EDT by AndyC
-
Inner Surface of the Anterior Abdominal Wall
Inner Surface of the Anterior Abdominal Wall Supravesical fossa Is a depression on the anterior abdominal wall between the median and medial umbilical folds of the peritoneum. Medial inguinal fossa Is a depression on the anterior abdo
Last updated:
Oct 14 2010, 1:25 AM EDT by AndyC
-
Spermatic Cord, Scrotum, and Testis
Spermatic Cord, Scrotum, and Testis Spermatic cord Is composed of the ductus deferens; testicular , cremasteric, and deferential arteries; pampiniform plexus testicular veins; genital branch of the genitofemoral and cremasteric nerves and t
Last updated:
Oct 14 2010, 1:18 AM EDT by AndyC
-
Inguinal Region
Inguinal Region Inguinal (Hesselbach's) triangle Is bounded medially by the linea semilunaris (lateral edge of the rectus abdominis), laterally by the inferior epigastric vessels, and interiorly by the inguinal ligament. Is an area of pote
Last updated:
Oct 14 2010, 1:12 AM EDT by AndyC
-
Muscles of the Anterior Abdominal Wall
Muscles of the Anterior Abdominal Wall Muscle Origin Insertion NerveAction External oblique External surface of lower eight ribs Anterior half of iliac crest; anterior-superior iliac spine; pubic tubercle; linea alba Intercostal; s
Last updated:
Oct 8 2010, 7:56 AM EDT by AndyC
-
Fasciae and Ligaments of the Anterior Abdominal Wall
Fasciae and Ligaments of the Anterior Abdominal Wall Are organized into superficial (tela subcutanea) and deep layers; the superficial laye r has a thin fatty (Camper's fascia ), and the deep layer has a membranous layer (Scarpa's fasc
Last updated:
Oct 8 2010, 8:02 AM EDT by AndyC
-
Anterior Abdominal Wall
Anterior Abdominal Wall Abdomen Is also divided by vertical and horizontal planes through the umbilicus into four quadrants : right and left upper quadrants and right and left lower quadrants. The umbilicus lies at the level of the in
Last updated:
Oct 8 2010, 8:00 AM EDT by AndyC
-
Structures in Posterior Mediastinum
Structures in the Posterior Mediastinum Esophagus Is a muscular tube (about 10 inches long) that is continuous with the pharynx in the neck and enters thorax behind the trachea. Has three constrictions: one at the level of the sixth cerv
Last updated:
Oct 8 2010, 7:31 AM EDT by AndyC
-
Fetal Circulation
Fetal Circulation The fetus Has blood that is oxygenated in the placenta rather than in the lungs. Has three shunts that partially bypass the lungs and liver. Foramen ovale Is an opening in the septum secundum. Usually closes func
Last updated:
Sep 22 2010, 2:11 AM EDT by AndyC
-
Development of the Venous System
Development of the Venous System The venous system develops from the vitelline, umbilical, and cardinal veins, which drain into the sinusvenosus. Vitelline veins Return poorly oxygenated blood from the yolk sac. Right vein forms the h
Last updated:
Sep 22 2010, 2:04 AM EDT by AndyC
-
Development of the Arterial System
Development of the Arterial System Formation The arterial system develops from the aortic arches and branches of the dorsal aorta. Aortic arch derivatives Aortic arch 1 has no derivative because it disappears soon after development.
Last updated:
Sep 22 2010, 2:02 AM EDT by AndyC
-
Development of the Heart
Development of the Heart Begins to form angiogenic cell clusters formed in the splanchnic mesoderm. Involves fusion of two endocardial tubes into a single primitive heart tube. Primitive heart tube It is formed by fusion of two endoc
Last updated:
Sep 22 2010, 1:58 AM EDT by AndyC
-
Cardiac plexus
Cardiac plexus Receives the superior, middle, and inferior cervical and thoracic cardiac nerves from the sympathetic trunks and vagus nerves. Is divisible into the superficial cardiac plexus , which lies beneath the arch of the aorta in
Last updated:
Sep 22 2010, 1:21 AM EDT by AndyC
|
|
