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MET2 > Anatomy Practical 2 > Flashcards

Anatomy Practical 2 Flashcards

1
Q

Where is the position of the pituitary gland?

A

Attached to undersurface of brain by infundibulum (pituitary stalk), in the sella turcica/pituitary fossa

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2
Q

Where is the sphenoid bone?

A

Middle cranial fossa

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3
Q

What are some features of the sphenoid bone?

A

Greater and lesser wings

Central sella turcica - lateral margins are anterior and posterior clinoids

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4
Q

What are the clinoid processes?

A

attachment sites for the dura

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5
Q

What is posterior to the sella turcica?

A

Clivus - slopes down to the foramen magnum where spinal cord exits skull

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6
Q

What is the thyroid gland covered by?

A

Infra-hyoid strap muscles

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7
Q

What is the function of infra-hyoid strap muscles?

A

Important in movements of the larynx and tongue

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8
Q

What is the SCM?

A

Sternocleidomastoid - most superficial and lateral of the infra-hyoid strap muscles
2 distal attachments to the manubrium and clavicle
Proximal attachment to mastoid process and skull base
Causes rotation of head and flexion if both SCM contract together

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9
Q

What is medial to the SCM?

A

Superior belly of the omohyoid

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10
Q

What are the properties of the omohyoid?

A

2 bellies connected by intermediate tendon that passes through a sling
L shaped muscle
inferior belly attaches to suprascapular notch

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11
Q

Where is the sternohyoid?

A

Medial to the omohyoid

Passes from sternum to hyoid

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12
Q

What is deep to the sternohyoid?

A

sternothyroid

thyrohyoid

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13
Q

Where is the thyroid gland positioned?

A

On the trachea

between the oblique line of the thyroid cartilage and 4th/5th tracheal ring

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14
Q

What does the thyroid gland consist of?

A

Left and right lobes
Isthmus
Pyramidal lobe

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15
Q

What is the artery supply and venous drainage of the thyroid gland?

A

arteries -> superior and inferior thyroid arteries (branch of thyrocervical trunk of subclavian)
Venous drainage -> via superior, middle and inferior thyroid veins

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16
Q

What are the properties of the right and left adrenal glands?

A

Right - triangular, on superior pole of right kidney

Left - crescentric, on superior-medial border of left kidney between superior pole and hilum

17
Q

What are some properties of the pancreas?

A

A gland
Exocrine and endocrine functions
Retroperitoneal
Uncinate process, head, neck, body and tail

18
Q

Where is the pancreas?

A

Head of pancreas is in C-shape of duodenum
Pancreas crosses midline with tail extending to splenic hilum on left
Lies across the posterior part of the abdomen from loop of duodenum to the spleen
Head surrounds SMA and vein with uncinate process wrapping around them posteriorly

19
Q

What is the blood supply of the pancreas?

A

Mostly from Splenic artery (via coeliac trunk)
Head of pancreas - SMA - inferior pancreaticoduodenal artery/ coeliac -> gastroduodenal -> superior pancreaticoduodenal artery

20
Q

Where does the pancreatic lymph drain?

A

To coeliac and superior mesenteric pre-aortic lymph nodes

21
Q

What happens at the major duodenal papilla?

A

Pancreatic duct opens into second part of the duodenum in conjunction with the common bile duct

22
Q

What is the accessory pancreatic duct?

A

Opens into the duodenum slightly superiorly at minor duodenal papilla

23
Q

What are the properties of the liver?

A

Largest organ of the body
Right upper quadrant of abdominal cavity
Below right dome of diaphragm
Anterior/superior surface and inferior/visceral surface
Divided into left, right, quadrate and caudate lobes

24
Q

What is the anterior/superior surface of the liver?

A

Mostly covered with peritoneum
Double layer falciform ligament attaches to anterior surface to anterior abdominal wall
Thickened free lower border of ligament formed ligamentum teres

25
Q

What is the inferior/visceral surface of the liver?

A

Gall bladder is visible as well as structures entering and leaving the liver at the porta hepatis

26
Q

What does the porta hepatis contain?

A

Hepatic artery, common hepatic duct, hepatic portal vein

Enclosed in the fold of lesser omentum

27
Q

Where does the IVC travel in relation to the liver?

A

Through posterior liver taking branches of hepatic veins

28
Q

What are the lobes of the liver?

A

L and R
quadrate anteriorly - adjacent to gall bladder
caudate posteriorly - adjacent to IVC

29
Q

What does the gallbladder consist of?

A

Fundus, body, neck

30
Q

What is the surface anatomy of the gallbladder?

A

Fundus lies at L1 vertebral level - level of 9th costal cartilage on the right

31
Q

What is the pathway of bile?

A

Produced in the liver travels down the L and R hepatic ducts forming common hepatic duct. This is joined by cystic duct from gallbladder forming common bile duct. Common bile duct joins the pancreatic duct at ampulla of Vater. This drains to 2nd part of duodenum at major duodenal papilla.

32
Q

What is another name for the ampulla of Vater?

A

hepatopancreatic ampulla

33
Q

What is endoscopic retrograde cholangiopancreatography?

A

Standard procedure for diagnosis of both pancreatic and biliary disease
Fibreoptic endoscope passed through mouth, oesophagus and stomach into duodenum
Cannula inserted into major duodenal papilla for injection of radiograph contrast medium

34
Q

What are gall stones?

A

Produce symptoms when obtain a size sufficient enough to produce mechanical injury or obstruct biliary tract

35
Q

Where is the common site for impaction of gall stones?

A

Distal end of hepatopancreatic ampulla is narrowest part of biliary tract

36
Q

How does cholecystitis occur?

A

If gall stone blocks the cystic duct
Pain develops in epigastric region and shift to right hypochondriac region
Severe biliary colic = gall bladder removal

37
Q

What is TIPS?

A

transjugular intrahepatic porto-systemic shunt

stent between IVC and portal vein in porta hepatis

MET2 (26 decks)

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