August 18, 2015 - GI Anatomy Flashcards

1
Q

Anterior Mesentaries

A

Include the lesser omentum and falciform ligament.

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2
Q

Lesser Omentum

A

Produces the lesser sac behind it. An anterior mesentary.

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3
Q

Falciform Ligament

A

An anterior mesentary structure. Connects the anterior portion of the liver to the anterior body wall.

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4
Q

Epiploic Foramen

A

The only opening to the lesser sac. This is clinically relevant because it is almost like a hidden pouch that can present with problems.

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5
Q

Posterior Mesentaries

A

Greater omentum

Mesentary proper

Mesocolon

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6
Q

Greater Omentum

A

An anterior mesenteric structure.
bodyp**

Attach Images

Attach Sounds

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7
Q

Mesentery Proper

A

Or “the mesentery”. The whole thing sticks to the dorsal body wall at one spot known as the “root of the mesentery.”

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8
Q

Retroperitoneal Structures

A

Pancreas

Portion of Duodenum

Posterior part of ascending colon

Posterior part of descending colon

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9
Q

Malrotation

A

During development, the bowels get twisted off. This is a surgical emergency in children.

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10
Q

Sympathetic Nervous System

A

Generally speeds things up –> Fight or flight.

Thoracic and lumbar outflow.

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11
Q

Parasympathetic Nervous System

A

Generally slows things down –> Rest and digest.

Cranial and sacral outflow.

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12
Q

Visceral Nervous System

A

Pain or “sensation” from organs.

Feelings such as “bloating” etc

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13
Q

Prevertebral

A

In front of.

May be a ganglion or plexus.

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14
Q

Paravertebral

A

Stick out on either side of the vertebra.

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15
Q

Visceral Afferant Sensory Fibers

A

Clinically this is very important, because your heart sends out pain signals, which end up as jaw pain. Goes from the organ to somewhere else.

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16
Q

Celiac Plexus

A

Main innervation for the foregut.

17
Q

Superior Mesenteric Plexus

A

Main innervation for the midgut.

18
Q

Inferior Mesenteric Plexus

A

Main innervation for the hindgut.

19
Q
A