Special valves in venous system that prevent back flow
two way valves
Frontal, Nasociliary and lacrimal
How many palatine tonsil lymph nodes are there?
2
either elevates the hyoid bone or depresses the mandible.
Which side has the brachiocephalic artery?
Right side - the left side has direct branches off of the aorta
Zygomaticofacial nerve and Zygomaticotemporal nerve
What is known as the “switching station” in the lymphatic station?
The Hilus
True
How many paired cranial bones are their and what are their names?
2, Parietal & Temporal
Common carotid artery travels in a sheath and contains?
CC artery, internal jugular vein, and vagus nerve
Which Lymph Node is inferior to the chin, superficial to the mylohyoid muscle and drains lower lip, floor of mouth and mandibular incisors?
Submental lymph nodes
What muscle is not a muscle of facial expression?
Temporalis
Special landmark on the ethmoid bone that supports the olfactory bulb ( sense of smell)
cribiform plate
Where is the cavernous sinus located and what is its significance?
Bilaterally at sides of sphenoid bone. Significance is that infection can spread quickly here due to the internal carotid artery, facial nerve III,IV,v1,v2,VI all pass through.
Trigeminal Neuralgia -Tic Douloreux (unilateral electric shock) it comes from a pathological sensory condition of V1 and V3.
False it is V2 and V3
Lymph nodes can become abnormal in size/consistency causing inflammation and tenderness relating to disease or cancer. This clinical consideration is called
Lymphadenopathy
Orbicularis Oris
what makes up the superior orbital fissure?
GW sphenoid and LW sphenoid
What are the 4 sets of external carotid artery branches?
Anterior, medial, posterior, and terminal
False it does Not innervate the parotid gland. It passes into the parotid gland and divides it several branches.
The lymphatic vessels are an intersecting venous system that have more lymph channels than veins
FALSE, Parallel Venous System
Where does the masseter muscle originate from? (Hint: has two heads)
Zygomatic Arch, but from differing locations…
Superficial head: Zygomatic process of the maxilla and anterior two-thirds
of inferior border of zygomatic arch
Deep Head: posterior one-third and medial surface of zygomatic arch
Name the 8 facial bones
Vomer, Lacrimal, Nasal, Palatine, Inferior Nasal Conchea, Zygomatic, Maxilla and Mandible.