During fertilization the final stage of this pre implantation period occurs in the ovum.
What is meiosis?
100
This structure surrounds the cell and can be called a tough and resourceful "gate keeper" for the cell's interior.
What is the cell membrane? Pg. 77 embryology
100
What is a permanent tooth that moves into a position formerly occupied by a primary tooth called?
What is a succedaneous tooth?
100
This consists of the frontal, orbital, nasal, infraorbital, zygomatic, buccal, oral, and mental regions.
What are the regions of the face?
100
These replace primary molars when they exfoliate.
What are premolars (or bicuspids)
200
These environmental agents and factors involved in causing malformations can include infections, drugs, and radiation.
What are teratogens?
200
These specialized structures within the cell are metabolically active. They allow each cell to function according to its genetic code.
What are the organelles? Pg. 79 Embryology
200
What is the EARLIEST indication of mixed dentition?
What is primary dentition and the permanent FIRST molars?
200
These glands can be palpated in the neck region of the patient.
What are submandibular and sublingual salivary glands?
200
These vary the most in size and shape and may be congenitally missing.
What are maxillary lateral incisors
300
The period of prenatal development that extends from the beginning of the second week to the end of the eighth week.
What is the embryonic period?
300
During cell division, these centromeres split and each chromosome separate into two cromatids which migrate to opposite poles by the mitotic spindle.
What is anaphase? Pg. 82 Embryology
300
What are the primary teeth expected to see in a 1 year old?
What are Mandibular and Maxillary incisors?
300
The buccal mucosa that covers a dense pad of underlying fat tissue.
What is buccal fat pad?
300
An H-shaped occlusal groove pattern is found on this primary tooth.
What is tooth #I
400
These cells are essential in formation of most oral and dental tissue, except for the enamel and certain types of cementum, as well as the development of the face and neck.
What are neural crest cells (NCCs)?
400
This inorganic crystal is found in differing percentages in the hard dental tissues of enamel, dentin, and cementum.
What is calcium hydroxyapatite. Pg. 95 Embryology
400
How many primary teeth are present in the mouth at 9 years of age?
How many are 12 teeth?
400
Farther posteriorly on the dorsal surfaces of the tongue, and more difficult to see clinically, is an inverted V-shaped groove.
What is the sulcus terminalis?
400
When viewed from the buccal aspect; for mandibular teeth, the curve is concave, and for the maxillary teeth it is convex.
What is Curve of Spee
500
The three major regions of the tubular embryo after embryonic folding.
What are foregut, midgut, and hindgut?
500
This immunoglobulin has four subgroups; is the major immunoglobulin in blood serum and can pass placental barrier to form first passive immunity for newborns.
What is IgG? Pg 101 Embryology
500
Between what ages do the mandibular second molars erupts?
11 and 13 years of age
500
These represent deeper deposits of sebum from trapped or misplaced sebaceous gland tissue, usually associated with hair follicles.
What are Fordyce spots (or granules)?
500
These permanent molars are susceptible to caries development in the occlusal pits found in mesial, central, and distal fossae.