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Colin GI Final > GI Anatomy Lab Cheat Sheet > Flashcards

GI Anatomy Lab Cheat Sheet Flashcards

1
Q

What is the median umbilical fold a remnant of?

A

Urachus

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2
Q

What is the medial umbilical fold a remnant of?

A

Umbilical A.

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3
Q

Lateral umbilical folds contain what artery?

A

Inferior Epigastric A.

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4
Q

What is the Supravesical fossa?

A

The space between the median umbilical fold and the medial umbilical fold

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5
Q

What is the medial umbilical fossa?

A

Space between the median umbilical fold and the lateral umbilical fold

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6
Q

What is lateral umbilical fossa?

A

Space lateral to the lateral umbilical fold

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7
Q

What is the vitelline duct and what congenital condition is it associated with?

A

Embryonic structure, connects the yolk sac to the midgut

Associated with the Meckel’s diverticulum (diverticulum of the ileum containing ectopic tissue of the stomach and pancreas (Rule of 2s)

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8
Q

What artery does the Inferior Epigastric Artery branch off of?

A

Inferior Epigastric A. comes from the External Iliac A.

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9
Q

What artery does the Superior Epigastric A. branch off of and what other branches off as well?

A

Superior Epigastric A. branches off of the Internal Thoracic A. along with the Musculophrenic A.

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10
Q

What Provides Parasympathetic innervation to structures below Splenic Flexure?

A

Pelvic Splanchnic N.

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11
Q

WHat provides parasympathetic innervation to structures Above the Splenic Flexure?

A

Vagus N.

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12
Q

What tissue is the cremaster muscle derived from and what nerve innercates it?

A

Cremaster muscle comes from Internal Oblique M./Aponeurosis

It is innervated by the Genital Branch of the Genitofemoral N.

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13
Q

What two arteries form an anastemosis, where one is from the Celiac Trunk, and the other is from the Superior Mesenteric A.?

A

Superior Pancreaticoduodenal Arteries (from Celiac Trunk) anastemose with Inferior Pacreaticoduodenal Arteries (from Superior Mesenteric A.)

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14
Q

What two arteries from an anastemosis, where one is from the Superior Mesenteric A. and the other is from the Inferior Mesenteric A.?

A

Left Colic A. (from the Inferior Mesenteric A.) anastemoses with Right Colic A. (from the Superior Mesenteric A.)

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15
Q

What happens in Hypertrophic Pyloric Stenosis?

A

Pyloric sphincter grows larger

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16
Q

What is the Round ligament of the Liver a remnant of, and what is another name for it?

A

Round Ligament of the Liver is a remnant of the Left Umbilical V.

Round ligament is also known as Ligamentum Teres Hepatitis

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17
Q

What is the Ligamentum Venosum a remnant of and where is it located?

A

Ligamentum Venosum is a remnant of the Ductus Venosus

It is located on the inferior side of the liver and is connected to the round ligament of the liver

18
Q

Where does the greater splanchnic nerve form its synapse?

A

Celiac Ganglion

19
Q

What is the most likely site of a ureter obstruction?

A

At the Pelvic Brim (the rim of inside ring formed by the two sides of the pelvis

20
Q

What travels through the Caval Opening and what vertebral segment plane is it located?

A

The Inferior Vena Cava and the Right Phrenic N.

It is located at T8

21
Q

What passes through the aortic hiatus and what vertebral segment plane is it located?

A

Aorta, Azygous V., Thoracic Duct

It is located at T12

22
Q

What passes through the Esophageal Hiatus and what vertberal segment plane is it located?

A

Esophagus and the Vagus N.

It is located at T10

23
Q

What arteries are formed from the abdominal aorta bifurcating, and at what vertebral segment plane does it do so?

A

Left and Right Common Iliac Arteries

Bifurcates at L4

24
Q

What two nerves are formed from the Bifurcation of the Anterior Rami of L1?

A

Iliohypogastric N. and Ilioinguinal N.

25
Q

What do you call the white portion of the diaphragm and what embryonic structure is it formed from?

A

Central Tendon of the Diaphragm

It is formed from the SEPTUM TRANSVERSUM

26
Q

What two tissue layers form the Conjoint Tendon?

A

Transversus Abdominus M. and the Internal Oblique Aponeurosis

27
Q

What tissue is the Tunica Vaginalis formed from?

A

Peritoneum

28
Q

What tissue is the external spermatic fascia formed from?

A

External Oblique M.

29
Q

What tissue is the internal spermatic fascia formed from?

A

Transversalis Fascia

30
Q

What tissue is the Superficial Inguinal Ring formed from?

A

External Oblique Aponeurosis

31
Q

What is the scrotal ligament a remnant of?

A

Gubernaculum

32
Q

What does the gubernaculum become in females?

A

The round ligament of the uterus

33
Q

What is the Falciform Ligament a remnant of?

A

The Ventral mesentery

34
Q

What structures are found within the Splenorenal Ligament?

A

The Splenic vessels and the tail of the pancreas

35
Q

What structures make up the Portal Triad and in what ligament are they contained?

A

Hepatic Portal Vein, Proper Hepatic Artery, and the Common Bile Duct***

They are found in the Hepatoduodenal Ligament

36
Q

What vessel(s) are found in the Gastrosplenic Ligament?

A

Short Gastric Arteries and the Left Gastro-omental Artery

37
Q

What vessel(s) are found in the Gastrocolic Ligament?

A

Right Gastro-omental Artery

38
Q

What vessel(s) are found in the Gastrohepatic Ligament?

A

Right Gastric A. and Left Gastric A.

39
Q

What is the most inferior space in the female abdomen?

A

Rectouterine Pouch

40
Q

What is the most inferior space in the male abdomen?

A

Rectovesicular Pouch

41
Q

What portion of the esophagus contains skeletal muscle and what is its embryonic origin?

A

The upper 1/3 of the esophagus

Formed from Pharyngeal Arches 4/6

Colin GI Final (16 decks)

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