Gross Anatomy Qtr 2

Question 1

Define the areas of the NECK

Answer 1

The neck extends from the base of the skull and inferior
border of the mandible to the first rib

Question 2

NECK

Define:

• Collum
• Nuchae
• Cervix

Answer 2

Collum = “Collar” = Neck

Nuchae = Neck~ posterior

Cervix = Neck

Question 3

Describe the Tlhyroid Cartilage

Answer 3

• Cartilage of the Larynx
• Laryngeal prominence = aka “Adam’s Apple”
• Is at C4-5 vertebral level

Question 4

Describe the Hyoid Bone

Answer 4

• Site of attachment for many anterior neck muscles and some muscles of the tongue
• Consist of a Body, Greater and Lesser cornua
• At C3 vertebral level

Question 5

Describe the Cricoid Cartilage

Answer 5

• Cartilage of the Larynx
• At C6 vertebral level

Question 6

Describe the Tracheal Cartilages

Answer 6

-The Trachea begins below C6 vertebral level

Question 7

Describe the Clavicle

Answer 7

Anterior landmark of the neck area

Question 8

Describe the Jugular or Suprasternal Notch

Answer 8

• The superior border of the manubrium
• is an anterior bony feature of the neck

Question 9

Describe the Mandible and what it consists of

Answer 9

-The mandible aka the lower jawbone

-Mentum of the mandible= chin

• Inferior border of the mandible= the bottom edge of the jawline
• Angle of the mandible= the posterior angle of the jaw
• Ramus of the mandible= the superior lateral part of jaw, superior to the angle of the mandible, covered by teh Masseter m.

Question 10

Describe the density of the skin on the neck and the nerves that innervate it.

Define Dermatomes

Answer 10

• Skin in the neck is THIN
• The neck is innervated by C2,3,4 spinal nerves and 2/3 of the anterior face in innervated by the Trigeminal Nerve (V)

Dermatomes-are the an area of the skin that is innervated by a specific nerve element or nevrve segment

Question 11

Is the superficial fascia of the neck thick or thin and what muscle does it contain?

Answer 11

• Usually thin
• Platysma m.