Lesson 8 (Part 2) Flashcards
What does the thyroid cartilage form?
The anterior wall of the larynx
What does the thyroid cartilage do?
Protects the vocal cords
What is another word for the thyroid cartilage?
Adams apple
Where is the thyroid cartilage located?
Mid anterior neck
What is the thyroid cartilage an attachment site for?
Laryngeal muscles
Where is the location of the thyroid cartilage compared to the thyroid gland?
Superior to it
Is thyroid cartilage visible on ultrasound?
No
What is the largest gland in the neck?
Thyroid gland
Where is the thyroid gland located?
On the anterior aspect, and is deep to the skin and muscle layer
What is the shape of the thyroid gland?
Butterfly shaped
What do the wings of the butterfly shaped thyroid gland represent?
The right and left lobes of the gland what wrap around the trachea
What does the isthmus connect for the thyroid gland?
The right and left lobes
What drapes along the midline of the thyroid gland?
The isthmus
What is another word for isthmus?
Body
What is another word for the trachea?
Windpipe
Where are pyramidal lobes sometimes seen on the thyroid gland?
On the superior aspect of both of its lobes
Where does the thyroid gland project? (2)
- Superiorly from the isthmus level
2. Inferior to the hyoid bone
How many parathyroid glands are there?
4
Parathyroid gland
Are 4 small glands on the posterior aspect of the thyroid gland
When are parathyroid glands visible?
When they are enlarged
Where is the thyroid gland located compared to the sternocleidomastoid and strap muscles?
Posterior to it
Where is the thyroid gland located compared to the carotid and internal jugular vein?
Medial to it
Where does the trachea lay? (3)
- Posterior to the isthmus of the thyroid gland
- Medial to both lobes- midline structure
- Anterior to the esophagus
Is the trachea seen on an ultrasound?
No
Why isnt the trachea seen on an ultrasound?
Because it is filled with air
What are the only landmarks for the trachea on the ultrasound?
The shadowing from the trachea
Cricoid cartilage
Circular vertebrae
- circular shaped
What does the cricoid cartilage allow?
Movement of food
Where is the cricoid cartilage compared to the thyroid gland and cartilage? (2)
- Inferior to the thyroid cartilage
2. Superior to the thyroid gland
Where does the esophagus lay compared to the trachea?
Posterior and slightly left lateral to the trachea
Where does the esophagus lay compared to the left thyroid lobe?
Inferior and medial
Why is the esophagus not asses on an ultrasound?
Because it is filled with air
What does the esophagus serve as?
A landmark
