the neck Flashcards
what is the superior limit of the neck?
mandible and base of skull
what is the inferior limit of the neck?
thoracic inlet
the neck is divided into 2 triangle what are these called?
anterior triangle and posterior triangle
what are the boundaries of the anterior triangle of the neck?
sternocleidomastoid, midline, lower border of mandible
what are the boundaries of the posterior triangle of the neck?
sternocleidomastoid, trapezius muscle, clavicle
what muscles does the anterior triangle of the neck contain?
- mylohoid
- digastric
- infrahyoid (strap muscles)
there are 4 strap muscles, name them?
- sternohyoid
- sternothyroid
- thyrohyoid
- omohyoid
where in the neck are the strap muscles?
front of the neck
which skeletal elements does the anterior triangle of the neck contain?
- thyroid cartilage
- cricoid cartilage
- hyoid bone
- trachea
which glands does the anterior triangle of the neck contain?
- thyroid gland
- parathyroid gland
- submandibular glands
which arteries supply the glands in the anterior triangle of the neck?
superior external carotid artery and inferior thyroid arteries
how many parathyroid glands does the average person have?
4
which nerves are located in the anterior triangle of the neck?
- vagus
- phrenic
- hypoglossal
where in the neck does the phrenic nerve originate?
C3-5
where does the phrenic nerve supply?
diaphragm