Term
| when does the stomadeum / primitive face begin to develop? |
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Definition
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Term
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Definition
| 1st pharangeal/brachial (same thing) make mandible |
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Term
| what are the sections of the face as they come together> |
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Definition
upper face: frontonasal process
middle face: maxillary process
lower face: Mandibular process |
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Term
| when is the development of face complete |
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Definition
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Term
tissue swells and come together
most facial tissues are created through this process
mesenchymal tissue migrate into grooves to make smooth tissue
what is the process? |
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Definition
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Term
| when does brain growth stop? |
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Definition
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Term
BOARD Q
what is problem in embryonic development that causes cleft lip? |
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Definition
begins with frontonasal process, medionasal process, then globular process.
for cleft lip/cleft palate globular would be the answer! |
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Term
| the mid and lower face stop growning when? |
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Definition
| until eruption of 3rd molars age 17-21 |
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Term
| where does the stomadeum stop? |
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Definition
| at the oral pharangeal membrane |
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Term
| what comes together to form stomadeum? |
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Definition
| fronotnasal process and mandibular process |
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Term
| what does the globular area form |
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Definition
| laterals and centrals and the lip |
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Term
| if someone had cleft palate the primary palate does not form correctly the teeth missing would be? |
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Definition
| centrals and laterals (primary and secondary) |
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Term
| where does the maxilla come from |
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Definition
| from mandibular 1st brachial/1st pharangeal (same thing) |
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Term
| when mandibular processes come together they form |
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Definition
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Term
| the little ridge where the fusion of the mandibular processes meet is called |
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Definition
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Term
| what is the cartilage that is formed before bone in the mandible? |
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Definition
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Term
| what forms the muscles of mastication |
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Definition
| the mesoderm of the mandibular arch |
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Term
| muscles of mastication and some palatal muscles are innervated by what nerve of the 1st arch? |
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Definition
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Term
| what is the 5th cranial nerve> |
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Definition
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Term
| by week 7 mandibular arch has enlarged and differentiated into what four muscles of mastication? |
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Definition
masseter
medial and lateral pterygoids
temporalis |
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Term
Board Q
by what week would the maxilla have to nit itself to the median nasal and globular processes? |
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Definition
| at week 6 maxilla would have to nit with median nasal and globular processes |
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Term
| what week does the maxillary process develop? |
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Definition
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Term
| what does the maxillary process form? |
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Definition
| sides of upper lip, cheeks, secondary palate, posterior teeth and tissues, zygomatic and portions of the temporal bones |
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Term
| what forms the secondary process? |
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Definition
| maxillary process forms secondary process, molars, canines and premolars |
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Term
| when is the frontonasal process formed |
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Definition
| frontonasal process formed at week 4 |
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Term
Board Q
at what point does cleft lip occur |
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Definition
| cleft lip would occur at week 6 |
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Term
| what makes the secondary process |
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Definition
| the maxillary process makes secondary process. everything but centrals and laterals! |
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Term
| what forms the upper face, forehead, bridge of nose, primary palate, and nasal septum |
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Definition
| the frontonasal process forms all these landmarks |
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Term
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Definition
rounded specialized thick ectoderm
lens placodes for eyes
otic placodes for ears |
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Term
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Definition
| for olfactory sense in the anterior portion of the frontonasal process |
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Term
| nasal pits turn into nasal cavities. what are they first separated by |
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Definition
| stomadeum by the oronasal membrane |
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Term
| clefting is most common in lip or palate |
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Definition
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Term
| upper lip should be completely formed by what week |
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Definition
| by week 6 upper lip should be formed fully |
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Term
| what are some problems associated with cleft lip? |
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Definition
| complications in nursing, feeding, speech, appearance, infection levels |
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Term
| __________occurs when only one of the 2 palatal processes fuse with the nasal septum. |
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Definition
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Term
| ______ occurs when there is a failure of mesenchyme to grow beneath the ectoderm to obliterate any grooves between maxillary processes. |
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Definition
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Term
| when should the palate be completely fused/closed? |
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Definition
| by week 12 palate should be complete |
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