Head And Neck III

Question 1

Layers of the Viscera of the Neck?

Answer 1

Superficial to Deep

1. Endocrine
   - thyroid + parathyroid glands
2. Respiratory
   - larynx + trachea
3. Alimentary
   - pharynx + esophagus

Question 2

Endocrine Layer

1. Largest endocrine gland of the body
2. # 1 produces which hormones? Function and target organs?
3. Other organ in the endocrine layer
4. Hormone produced by #3? Function of hormone and target organs?

Answer 2

ENDOCRINE LAYER
>Thyroid gland
-largest endocrine gland of the body
-affects all areas of the body except the SITU (spleen, itself, testes, uterus)
-produces:
A. Thyroid hormones
-which control the rate of metab
-T3 and T4
B. Calcitonin
-control calcium metab

> Parathyroid gland

• produces parathormone which controls the metabolism of phosphorus and calcium in the body
• targets the skeleton, kidneys, and intestine (SIK)

Question 3

What is the beginning of the alimentary canal?

Answer 3

Esophagus

Question 4

Thyroid gland
1. Location
2-3. Connect the right and L lobes anteriorly to the _ and _ tracheal rings
4. What attaches the c

Answer 4

1

Question 5

Structures in the lobes of the thyroid gland?

Answer 5

Anterior
Pretracheal fascia
Sternohyoid
Sternothyroid
Venous arch

Middle
Larynx
Esophagus
Trachea
Recurrent laryngeal nerve

Posterior
Carotid sheath
Prevertebral fascia
Parathyroid gland