Esophagus

Question 1

• 1st part of the alimentary canal
• Divided into 3 regions:
  1. cervical
  2. thoracic
  3. abdominal (shortest)
• Enter the abdominal cavity = esophageal hiatus
• In medium-sized dogs it is approximately 30 cm long and 2 cm in diameter when it is collapsed.
• Muscles: cricopharyngeus muscle and cardiac muscle

Answer 1

Esophagus

Question 2

2 Muscles of the Esophagus

Answer 2

1. Cricopharyngeus Muscle
2. Cardiac Muscle

Question 3

• application of barium, then a series of radiograph is conducted
• To assess the gastrointestinal tract passageway when there is obstruction of foreign things in the esophagus in that results to food cannot pass through

Answer 3

Esophagogram

Question 4

• cranial end acting as a sphincter cranial end

Answer 4

cricopharyngeus muscle

Question 5

• caudal end part of the stomach&raquo_space; sphincter

Answer 5

cardiac muscle

Question 6

• contrast medium

Answer 6

Esophagogram