Anatomy Flashcards
(109 cards)
1
Q
Tilts and rotates head and neck
A
Sternocleidomastoid
2
Q
Lifts and rotates the shoulders
A
Trapezius
3
Q
Closing or pursing lips
A
Orbicularis oris
4
Q
Flattens cheek/assists in chewing; assists the muscles of mastication
A
Buccinator
5
Q
Smiling widely
A
Risorius
6
Q
Smiling and raising upper lip
A
Zygomaticus
7
Q
Smiling
A
Levator anguli oris
8
Q
Frowning
A
Depressor anguli oris
9
Q
All facial muscles are innervated by
A
Seventh cranial nerve (VII) Facial nerve
10
Q
Blood supply for facial muscles
A
facial artery
11
Q
What are the muscles of mastication
A
Masseter
Temporalis
Lateral pterygoid
Medial pterygoid
12
Q
Can become enlarged in patients who clench or grind
A
Masseter
13
Q
Elevation of the mandible during jaw closing
A
Masseter and medial pterygoid
14
Q
Elevation of the mandible and retraction of mandible
A
Temporalis
15
Q
Slight depression of mandible, lateral deviation of mandible, and protrusion of mandible
A
Lateral pterygoid
16
Q
All muscles of mastication are innervated by the
A
mandibular division of the fifth cranial or trigeminal nerve
17
Q
Blood supply for muscles of mastication
A
maxillary artery (branch of the carotid)
18
Q
Mylohyoid
A
Makes up the floor of the mouth
19
Q
What does the suprahyoid group do
A
Depression of the mandible
Action: swallowing
20
Q
What are the parts of the suprahyoid group
A
Digastric
Mylohyoid
Geniohyoid
Sylohyoid
21
Q
What are the parts of the infrahyoid group
A
Sternothyroid
Omohyoid
Thyrohyoid
22
Q
What does the infrahyoid group do
A
Stabilize hyoid bone
Action: swallowing and speech
23
Q
What are the muscles of the pharynx involved in
A
speaking, swallowing, and middle ear function
24
Q
Tissue that extends from the junction of the hard and soft palates down to the mandible (distal to last tooth) and stretches upon opening, referred to as raphe
A
Pterygomandibular fold
25
Lingual frenum
Whartons duct or submandibular ducts at base
26
Duct openings from submandibular and sublingual salivary glands
sublingual caruncle
27
These muscles shape the tongue
intrinsic muscles
28
Innervation of the intrinsic muscles of the tongue
Twelfth cranial nerve or hypoglossal (XII)
29
Blood supply for the intrinsic muscles of the tongue
lingual artery
30
What are the extrinsic muscles of the tongue
Genioglossus
Styloglossus
Hyoglossus
31
Protrudes the tongue
genioglossus
32
retracts the tongue
styloglossus
33
depresses the tongue
hyoglossus
34
10 to 14, contain taste buds and associated with Von Ebner's glands
Circumvallate papillae
35
Fewer, contain taste buds, red, muschroom shaped
Fungiform papillae
36
The most numerous of papillae but do not contain taste buds, keratinized tissue give the tongue a velvety texture; associated with geographic and hairy tongue
Filliform papillae
37
Separation of 1/3 posterior and the 2/3 anterior portion of the tongue
Sulcus terminalis
38
Divides the TMJ into two compartments called synovial cavities (where synovial fluid is produced)
Articular disk
39
What are the two basic types of movements of the TMJ
Gliding and rotational
40
Limited ability to open the mouth (hypomobility), due to contraction of the muscles of mastication (lockjaw)
Trismus
41
Dislocation of both joints caused by opening the mouth too wide
Subluxation
42
TMJ problems affect what muscles
lateral pterygoid
43
Disk displacement
most common problem with TMJ
44
Carry oxygenated blood away from the heart
Arteries
45
Carry deoxygenated blood to the heart
Veins
46
This artery carries deoxygenated blood from the right side of the heart
pulmonary
47
Blood supply to the mandible
Maxillary artery
48
This artery supplies extracranial tissues, including the oral cavity
External carotid
49
Key branches of the external carotid
Maxillary artery
Lingual artey
Superior thyroid
Facial artery
50
What does the maxillary artery supply
teeth, muscles of mastication, hard/soft palate, and nasal cavity
51
What does the lingual artery supply
suprahyoid, tongue, and floor of the mouth
52
What does the facial artery supply
muscles of facial expression, nose, soft palate, and pharnyx
53
Endocrine gland that secretes thyroxine hormone which stimulates metabolic rate and protein synthesis
Thyroid gland
54
Endocrine gland that secretes parathyroid hormone to regulate calcium and phosphorus levels
Parathyroid gland
55
Endocrine gland that develops t-cell lymphocytes
Thymus gland
56
Protrusion off the bottom of the hypothalamus at the base of the brain which helps control: growth, blood pressure, certain functions of sex organs, thyroid glands and metabolism as well as some aspects of pregnancy, water/salt concentration at the kidneys, temperature regulartion and pain relief
Pituitary gland
57
Largest of the salivary glands
Parotid
58
2nd largest of the saivary glands
Submandibular
59
Smallest of the salivary glands
Sublingual
60
How much salivia does the parotid salivary gland produce
25%
61
How much salivia does the submandibular salivary gland produce
60-65% of total volume
62
How much salivia does the sublingual salivary gland produce
10% of total volume
63
This nerves passes through parotid salivary gland, DOES NOT innervate
Facial nerve
64
Stensen's duct is associated with this major salivary gland
parotid
65
Secretion of parotid salivary gland
serous
66
Secretion of submandibular salivary gland
both serous and mucous
67
Whartons duct is associated with what major salivary gland
Submandibular gland
68
Most common gland to be involved in salivary stone formation
Submandibular
69
What secretion does the sublingual salivary gland produce
both serous and mucous but mainly mucous
70
Bartholins duct is associated with which major salivary gland
Sublingual
71
Salivia also exits along the sublingual fold directly from 8-20 excretory ducts known as
Rivinus ducts
72
Von Ebner's glanda
Considered minor salivary glands and are found in a trough circling the circumvallete papillae and secrete purely serous fluid
73
Afferent
Sensory nerve that carries information from the periphery of the body to the brain or spinal cord
74
Efferent
Motor nerve that carries information away from the brain or spinal cord to the periphery of the body
75
What foramen is associated with the opthalmic nerve
Superior orbital fissure
76
What foramen is associated with the maxillary nerve
foramen rotundum
77
what foramen is associated with the mandibular foramen
foramen ovale
78
What is cranial nerve I
Olfactory
79
What is cranial nerve II
optic
80
what is cranial nerve III
oculomotor
81
what is cranial nerve IV
trochlear
82
what is cranial nerve V
trigeminal
83
what is cranial nerve VI
Abducens
84
what is cranial nerve VII
facial
85
what is cranial nerve VIII
vestibulocochlear
86
what is cranial nerve IX
glossopharyngeal
87
what is cranial nerve X
vagus
88
what is cranial nerve XI
accessory
89
what is cranial nerve XII
hypoglossal
90
The change of lymph nodes in size and consistency, what are healthy nodes suppose to be like
Lymphadenopathy; small, soft, and mobile
91
Submental lymph nodes
Collect lymph from the central lower lip, the floor of the mouth, mandibular incisors/associated tissues and apex of the tongue. Associated with infections #24/#25
92
Submandibular lymph nodes
Collects lymph from the cheeks, upper lip, lateral parts of the lower lip, body of the tongue, maxillary ant/premolar/1st and 2nd molars, mandibular canines, premolars and molars, and the ant tongue
93
Deep cervical nodes
Superior deep cervical collect lymph from the hard/soft palate, maxillary 3rd molars
94
What is the only frenulum without muscle fibers
maxillary
95
What is the 1st stage of cell division/replication
Prophase
96
When does the palate form
between the 4th and 6th week of embyonic development
97
Describe the fusion of the development of the palate
Anterior to posterior
98
What is the last portion of the palate to form
soft palate and uvula
99
All tooth formation is from
ectomesenchyme
100
enamel organ will produce
enamel
101
dental papilla will produce
dentin and pulp
102
dental sac will produce
PDL, cementum, bone
103
Known as reparative dentin, forms in reaction to simuli
tertiary dentin
104
Hertwigs epithelial root sheath (HERS)
initiates the formation of dentin in the root of a tooth
105
Rest of malassez
residual pieces of HERS that do not completely disappear
106
What muscle shifts the mandible to the side of the face
lateral pterygoid
107
The maxillary teeth, buccal gingiva and pulp of molars are innervated by which cranial nerve
V
108
True and false statement
The submandibular gland which lies superior to the digastric muscles, and divided into superficial and deep lobes, are separated by the mylohyoid muscle. It produces serous type secretion ony from the stensens duct
The first stamen is true, the second false
109
Major branches of the maxillary artery include all but which?
a. infrorbital
b. inferior alveolar
c. superior thyroid
d. greater palatine
e. posterior superior alveolar
C. Superior thyroid
