Orofacial Structures Flashcards
quiz monday oct 14 (orange SG)
what is the upper lip composed of
2 maxillary processes and a medial nasal process
what is another name for the medial nasal process
philtrum
what are the three parts of the palate
medial part (primary palate) and 2 lateral palatine processes
what is the anterior wedge-shaped part of the palate called
primary palate or medial part
how does the tissue merge
Anteriorly to posteriorly
how many diff cranial nerves innervate the tongue
4
fifth , seventh, ninth, and tenth cranial nerves
what separated the base and the body of the tongue
terminal sulcus
what makes up the waldeyers ring
lingual tonsils, palatine tonsils, and pharyngeal tonsils
the thyroid gland originates from what
foramen cecum
during development, how does the thyroid gland remain attached to the tongue
by the thyroglossal duct
thyroglossal cyst are commonly found in what area
area of the hyoid bone
what is the name of a blind pocket lined with thyroid epithelium
thyroglossal cyst
what month does the thyroid gland begin functioning
end of third month
what muscle supports the upper lip
orbicularis oris
3 processes forming palate
- Primary palate
- Right lateral palatine process
- Left lateral palatine process
T/F
Oral cavity alone opens into pharynx
False
Connects tongue
Thyroglossal duct
Clefts are most common in:
Asians
Cleft lips most common in:
White men
Cleft palates most common in:
White females
Tongue innervated by how many nerves?
5
List the nerves innervated from tongue
V3 lingual VII Chordia tympani IX glossopharyngeal X vagus XII Hypoglossal
Facial development occurs when?
4-7 weeks
Fastest growing organ during early development
Heart
Heart begins beating in the _________ week
4th
First brachial arch divides into _____ arches
2
Name the arches from the 1st brachial arch
Maxillary process
Mandibular process
Maxillary process gives rise to _____________
Sides of upper lips
Upper cheeks
Lateral palatine shelves
Mandibular process gives rise to _________________
Lower jaw
Lower face
Lip
Philtrum comes from what process
Medial nasal (globular) process
Cartilage for 1st mandibular arch
Meckel’s cartilage
Cartilage for secondary mandibular arch
Reichart’s cartilage
