SET 3 Flashcards
Most numerous papillae of the tongue but has no taste buds
filiform
Nociceptors are receptors for what sensation?
temporalis
Muscles that elevate the mandible (3)
medial pterygoid
temporalis
masseter
*lateral pterygoid - EXCEPTION
Bartholin’s duct originate from what salivary gland?
sublingual gland
During bone resorption, osteoclasts are found in ________
Howship’s lacunae
Nasmyth’s membrane of newly erupted teeth is from _________
reduced enamel epithelium
Cells responsible for cellular immunity
T-lymphocytes
Unit structure of a protein molecule
amino acid
Nerve of the dental pulp are ______
afferent and sympathetic
Misplaced sebaceous glands in the vestibular mucosa of the cheek
Fordyce spots
Insulin is a secretion of _____ cells from the Islets of Langerhans
beta
Norepinephrine neurotransmitter binds to ________ receptors in the effector organ
alpha
Chemical mediator of nerve impulse transmission
sodium and potassium
What arteries of the neck is derived the arterial blood supply of the oral cavity
external carotid
Palatal mucosa of the maxillary anterior teeth is innervated by _________
nasopalatine nerve
Embryonic precursor of the cementoblast
dental sac
Calcified structures found in the pulp
denticles
Organic bases of the DNA molecule that connects the two strands of nucleotides (3)
adenine
thymine
cytosine
*uracil - EXCEPTION
Epithelial surface variation with the purpose of increasing surface area
microvilli
Maxillary sinus communicates with the nasal cavity through the ________
osteo maxillare
The first cranial nerve passes thru the anterior cranial fossa from the nasal cavity via the _________
ethmoid bone
Passageway for nutrients and oxygen to compact bone
osseous matrix
Normal gingival sulcus is bounded by ________
crevicular epithelium and tooth surface
Incremental lines denoting the periods of rest and activity of ameloblast in the enamel
Lines of Retzius
Sigmoid pattern of pH change in the bacterial plaque after sucrose rinse
Stephan’s curve
In the regulation of the blood calcium level, the parathyroid hormone increase blood calcium level by (3)
promote formation reabsorption in the kidneys
vit D increase calcium absorption by the intestines
stimulates formation of vitamin D by the kidneys
Mechanism by which leukocytes are attracted to foreign materials or microorganisms
chemotaxis
When the mandible is in physiologic rest position, the contact of the maxillary and mandibular teeth are in __________
no contact of maxillary and mandibular
Cell that are not enlarged in phagocytosis
erythrocytes
Vitamin B complex deficiency which causes angular chelitis
vitamin B2
What bones is the middle ear located?
petrous temporal
Main fibrillar component of the matrix of dentin, cementum and bone is ___________
collagen
Hormones involved in the fight or flight response of the body
epinephrine
single-stranded molecule
complement a strand of DNA
made up in the nucleus of teh cell
mRNA
Main mineral component of the hard tissues of the teeth is _______
calcium hydroxyapatite
Interdental blood vessels anastomose with _________
both periodontal and intraalveolar vessels
Structures found in the oral mucosa (3)
basal lamina spinous layer
spinous layer
muscularis mucosa
Cholinergic receptors in the target cells of the parasympathetic nervous system
muscarinic and nicotinic
The double helix structure of DNA is held together by the hydrogen bonds between the pairs _________
A-T and G-C
Bone that forms the roof the infratemporal fossa
greater wing of sphenoid
Part of the nervous system that contains the cardiac, vomiting, and vasomotor centers
medulla
Term given to the lymphoid tissue forming the lingual palatine and pharyngeal tonsils
Waldeyer’s ring
Curvature of the occlusal plane of the mandibular posterior teeth from the horizontal plane
curve of spee
Gametes of a male during meiosis has ________ of chromosomes
23 pairs
Dentin reaction to stimuli characterized by sealed air-filled tubules
dead tracks
Transitional zone from the skin of the lips to the oral mucosa
vermillion border
When the teeth are in centric occlusion, the position of the mandible in relation to the maxilla is determined by _______
intercuspation of teeth
The first or earliest dental structure to be laid down during tooth development
dentin matrix
Cells in PDL that are neural crest origin (3)
cementoblast
odontoblast
fibroblast
Motor innervation of the muscles of mastication come from ______
mandibular nerve
The prothrombin time can be prolonged under various circumstances (liver disease, chloramphenicol meds, vit K deficiency) EXCEPT ___________
pregnancy
Embedded parts of PDL in both bone and cementum
Sharpey’s fibers
Blood cells that increases during allergy and certain parasitic infections
eosinophils
Most numerous immunoglobulin that is involved in immunity against pathogens as bacteria, viruses, fungi
IgG
These structures are found in dentin (3)
odontoblastic process
contour lines of Owen
striation of von Ebner
*striation of Retzius - EXCEPTION
Bones that do not join with other bones in the head
hyoid
Passage of water a selectively permeable membrane
osmosis
Nerve that conveys taste from the posterior third of the tongue, circumvallate papilla, superior pharynx
glossopharyngeal
Muscle supplied by the facial nerve
mentalis
Separates the stomodeum and the foregut in the early stage of development
buccopharyngeal membrane
What branch of the external carotid artery does the maxillary and mandibular teeth supporting structures get its arterial blood supply?
maxillary artery
Loss of the secreting capacity of the adrenal cortex or loss of ACTH secretion
Addison’s disease
What blood type is called the Universal donor in blood transfusions?
O
Permanent teeth that is generally the first to erupt
mandibular first molar
Vitamins necessary for blood synthesis (3)
folic acid
iron
vitamin B12
The perforations of the cribriform plate of alveolar bone ________
passage of vascular and nerve bundles
Bone in the cranium that articulates with the atlas of the vertebra
occipital
Normal pH value for body fluid
7.4
Masseter muscle originates from _________
zygomatic arch
Calcified bodies found in the PDL space
cementicle
Vitamin necessary for bone growth by facilitating the absorption of calcium from the intestine
vitamin D
Amino acid that is hydroxylated in the synthesis of collagen
proline
The pituitary gland is located in the hypophyseal fossa of _________ bone
sphenoid
The sphenopalatine ganglion is found in the _______
pterygopalatine space
Found between the anterior and posterior pillars of the frauces
palatine tonsils
Do not have any direct or indirect connection with the pterygoid plexus of veins
vertebral vein
Transfers genetic information from the nucleus to the cytoplasmic ribosomes for protein synthesis
mRNA
Cellular cementum differs from acellular cementum in that there are _________ embedded in matrix of ____________ cementum
cementocytes; cellular
Multiple roots are formed as a result of unequal proliferation of the
epithelial diaphragm
Fan-shaped poorly calcified areas in enamel originating from the dentinoenamel junction extending for a short distance
enamel tufts
Plasma proteins (3)
fibrinogen
globulin
albumin
Hormones that are secretion of the adenohypophysis (3)
growth hormone
ACTH
thyrotropic hormone
Hormone from the thyroid gland which decreases osteoclastic activity to help in the maintenance of the blood calcium level
calcitonin
Adrenocorticotrophic hormone is a secretion of the ___________
anterior pituitary
Reproductive hormones (3)
estrogen
testosterone
progesterone
*aldosterone - EXCEPTION
Vitamin deficiency which causes beri-beri
vitamin B1
Lymphatic organs (3)
spleen
thymus
tonsil
Pain sensation that cannot be perceived by the pulp
pressure
Permanent change in a cell’s DNA affecting the nucleotide sequence of one or more gene
mutation
If the chorda tympani is severed, the result is _________
loss of taste in the anterior 2/3 of the tongue
Permanent teeth that succeeds the first deciduous molars
first bicuspid
