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
where does the hypoglossal nerve run from and to?
brainstem to undertone
which vessels are located in the anterior triangle of the neck?
- common carotid artery
- jugular veins
which artery supplies the head and neck?
common carotid
what is the function of jugular veins?
take deoxygenated blood from the head to heart via inferior vena cava
which nerves are located within the posterior triangle of the neck?
- accessory nerve
- parts of brachial plexus
- cutaneous cervical nerves
what does the brachial plexus supply?
upper limbs
the accessory nerve provides motor supply to where?
sternocleidomastoid and trapezius muscles
which triangle of the neck, posterior or anterior contains lymph nodes?
posterior