Template:BGDB Practical 6 - Early Embryo Interactive: Difference between revisions

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|| The term "ectomesenchyme" refers to {{neural crest}} ('''ecto'''derm) forming connective tissue structures ('''mesenchyme''') in the head.
|| The term "ectomesenchyme" refers to {{neural crest}} ('''ecto'''derm) forming connective tissue structures ('''mesenchyme''') in the head.


{Which of the following best describes the buccopharyngeal membrane structure:
{Abnormal or perturbed migration of neural crest cells may result in malformation of structures derived from the:
|type="()"}
|type="()"}
- a ventral surface indentation in the early embryo head
- first pharyngeal arch
- endoderm layer of the foregut
- second pharyngeal arch
- ectoderm layer of the epidermis
- third pharyngeal arch
- ectoderm and endoderm
- fourth pharyngeal arch
- none of the above is correct
+ all of the above
|| The most common site for an {{ectopic pregnancy}} is the uterine tube (tubal pregnancy).
|| Normal developmental neural crest cells migration is required for the normal development of all of the pharyngeal arches.





Revision as of 00:08, 12 May 2019

Early Embryo Interactive Component

Attempt the Quiz - Early Embryo 
BGDsmall.jpg

Here are a few simple Quiz questions that relate to Early Embryo from the lecture and practical.

  

1 Which of the following best describes the term "ectomesenchyme":

ectoderm derived from mesoderm
epithelium derived from connective tissue
sensory placodal induction by mesoderm
connective tissue derived from neural crest
none of the above is correct

2 Abnormal or perturbed migration of neural crest cells may result in malformation of structures derived from the:

first pharyngeal arch
second pharyngeal arch
third pharyngeal arch
fourth pharyngeal arch
all of the above