Live from the Lab Flashcards
(25 cards)
What are the three salivary glands?
Parotid salivary gland
Submandibular salivary gland
Sub-lingual salivary gland
What muscle does the parotid gland duct pierce?
Buccinator
What is the position of the buccinator relative to the masseter?
Anterior and deep
What salivary gland does the facial artery curve around?
Submandibular salivary gland
What artery is the facial artery a branch of?
External carotid artery
Where does the parotid salivary duct open into?
Opposite the 2nd upper molar
What comes out of the stylomastoid foramen? Which cranial nerve is it?
Facial nerve. Cranial nerve VII.
What vein lies on top of the sternocleidomastoid?
External jugular vein
When vein lies under the sternocleidomastoid?
Internal jugular vein
Where does the common carotid artery become the internal and external carotid artery?
At the upper border of the thyroid cartilage
What is the first branch of the external carotid artery?
Superior thyroid artery
Where does the inferior thyroid artery come from?
Subclavian artery
Contents of carotid sheath?
Common carotid artery
Internal jugular vein
Vagus nerve
- note that phrenic nerve is outside sheath and lies posteriorly
What kinds of strap muscles are there?
Infrahyoid and Suprahyoid
Arrangd in order: thyroid cartilage, cricoid cartilage and hyoid cartilage.
hyoid cartilage
thyroid cartilage
cricoid cartilage
What are the infrahyoid muscles?
Omohyoid
Sternoyhoid
Sternothyroid
Thyrohyoid
What are the suprahyoid muscles?
Digastric muscle
Mylohyoid (inner surface of mandible has a myelohyoid line, muscle attaches across this)
Geniohyoid
Stylohyoid
Anterior triangle of the neck anatomical borders
Midline of neck
Mandible
Anterior border of SCM
Posterior triangle of the neck anatomical borders
Trapezius
Clavicle
Posterior border of SCM
What are the contents and sub-triangles of anterior triangle?
digastric muscle
submandibular gland
vascular triangle: omohyoid, with carotid sheath
muscular triangle: other infrahyoid muscles
Name the three divisions of the trigeminal nerve and how the exit the skull.
V1 opthalmic: superior orbital fissure
V2 maxillary: foramen rotundum
V3 mandibular: foramen ovale
What nerve fibres does V3 contain. What is it’s course?
Sensory and motor
Mandibular foramen, mental foramen
What do you call the muscle on the forehead?
Occipital frontalis
Frontal belly of the occipital muscle
Layers of the scalp
Skin Connective tissue (dense) Aponeurosis Losse areolar tissue Pericranium
