Orofacial Exam 2https://www.stuvia.com/user/filwe1099salmin
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Orofacial Exam 2
No ____ and no ___opening in the beginning
oral; anal
stomodeum
The external depression which finally breaks through to establish the oral opening into the foregut
the topographical center of the developing facial structures
oral plate
two layered membrane where the stomodeal depression is deepened, and the ectodermal (outside)
floor comes to lie against the entodermal (inside) lining of the foregut
head of a young embryo is pressed against its __________
thorax
frontal prominence
a rounded elevation in the midline, above the stomodeum
nasal (olfactory) placodes
local thickenings of the ectoderm on either side of the frontal prominence, near the lateral margins of
the overhanging frontal prominence
destined to form the lining of the nasal pits
horse shoe shaped
pg. 1
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, Orofacial Exam 2https://www.stuvia.com/user/filwe1099salmin
https://www.stuvia.com/user/filwe1099salmin
https://www.stuvia.com/user/filwe1099salmin
Orofacial Exam 2
During the _____ week all the major structures involved in the formation of the face and jaws become
clearly distinguishable
fifth
The upper jaw is of ______ origin (maxillary process)
composite (multiple pieces)
the nasal pits
bordered by the nasal placodes
Later become nares
They appear to have sunk below the general surface
nasomedial processes
The medial limbs of the nasal placode around the nasal pits
nasolateral processes
lateral limbs of the nasal placode around the nasal pits
pg. 2
https://www.stuvia.com/user/filwe1099salmin
https://www.stuvia.com/user/filwe1099salmin
https://www.stuvia.com/user/filwe1099salmin
https://www.stuvia.com/user/filwe1099salmin
Orofacial Exam 2
No ____ and no ___opening in the beginning
oral; anal
stomodeum
The external depression which finally breaks through to establish the oral opening into the foregut
the topographical center of the developing facial structures
oral plate
two layered membrane where the stomodeal depression is deepened, and the ectodermal (outside)
floor comes to lie against the entodermal (inside) lining of the foregut
head of a young embryo is pressed against its __________
thorax
frontal prominence
a rounded elevation in the midline, above the stomodeum
nasal (olfactory) placodes
local thickenings of the ectoderm on either side of the frontal prominence, near the lateral margins of
the overhanging frontal prominence
destined to form the lining of the nasal pits
horse shoe shaped
pg. 1
https://www.stuvia.com/user/filwe1099salmin
https://www.stuvia.com/user/filwe1099salmin
, Orofacial Exam 2https://www.stuvia.com/user/filwe1099salmin
https://www.stuvia.com/user/filwe1099salmin
https://www.stuvia.com/user/filwe1099salmin
Orofacial Exam 2
During the _____ week all the major structures involved in the formation of the face and jaws become
clearly distinguishable
fifth
The upper jaw is of ______ origin (maxillary process)
composite (multiple pieces)
the nasal pits
bordered by the nasal placodes
Later become nares
They appear to have sunk below the general surface
nasomedial processes
The medial limbs of the nasal placode around the nasal pits
nasolateral processes
lateral limbs of the nasal placode around the nasal pits
pg. 2
https://www.stuvia.com/user/filwe1099salmin
https://www.stuvia.com/user/filwe1099salmin
