Template:BGDA Practical 6 - Week 7 Interactive: Difference between revisions
From Embryology
mNo edit summary |
mNo edit summary |
||
| Line 14: | Line 14: | ||
||The upper limb buds form first before the lower limbs and are therefore the earlier to be sensitive to environmental {{teratogen}}s. | ||The upper limb buds form first before the lower limbs and are therefore the earlier to be sensitive to environmental {{teratogen}}s. | ||
{Which of the following statements about cleft lip is most correct | |||
|type="()"} | |||
+ cleft lip is failure of the maxillary prominences to fuse with the medial nasal prominences | |||
- cleft lip is failure of the maxillary shelves to fuse with the medial nasal prominences | |||
- cleft lip is failure of nasal septum to fuse with the maxillary prominences | |||
- cleft lip occurs during the early fetal period | |||
- cleft lip occurs due to a single known teratogen | |||
||Cleft lip is failure of the maxillary prominences to fuse with the medial nasal prominences. The maxillary shelves fuse during the early fetal period to form the palate. Cleft lip can occur in association with many genetic syndromes and mutations as well as due to known and unknown teratogenic effects. | |||
{Bone formation by endochondral ossification: | |||
|type="()"} | |||
- only occurs in the body | |||
- replaces mesoderm with bone | |||
- replaces mesenchyme with bone | |||
+ replaces fibrocartilage with bone | |||
+ replaces cartilage with bone | |||
|| The process of {{endochondral ossification}} replaces a skeletal cartilage template with bone. | |||
</quiz> | </quiz> | ||
<br> | <br> | ||
{{BGDALab7}} | {{BGDALab7}} | ||
|}<noinclude>[[Category:BGD]][[Category:Template]][[Category:Quiz]][[Category:Week 7]]</noinclude> | |}<noinclude>[[Category:BGD]][[Category:Template]][[Category:Quiz]][[Category:Week 7]]</noinclude> | ||
