Digastric Triangle

Question 1

Boundries

Answer 1

1. Above
2. Below and in front
3. Below and behind

Question 2

Above

Answer 2

Lower border mandible

Question 3

Below and in front

Answer 3

Anterior belly digastric

Question 4

Below and behind

Answer 4

1. Posterior belly digastric
2. Stylohyoid

Question 5

Roof

Answer 5

1. Skin
2. Superficial fascia (containing Platysma)
3. Deep fascia

Question 6

Floor

Answer 6

Parts of mylohyoid and hypoglossus muscles

Question 7

Contents

Answer 7

1. Glands
2. Vessels
3. Nerves

Question 8

Glands

Answer 8

1. Submandibular gland
2. Parotid gland

Question 9

Submandibular gland

Answer 9

With submandibular lymph nodes on its surface

Question 10

Parotid gland

Answer 10

Lower part in posterior part

Question 11

Vessels

Answer 11

1. Facial artery
2. Anterior facial vein

Question 12

Facial artery

Answer 12

Ascends on submandibular gland posterior border then deep to it
It gives submental branch

Question 13

Anterior facial vein

Answer 13

Descends on submandibular gland inferolaterak surface

Question 14

Nerves

Answer 14

1. Nerve to mylohyoid: on mylohyoid muscle
2. Hypoglossal nerve: on hypoglossus muscle