Template:BGDB Practical 6 - Trilaminar Embryo Interactive: Difference between revisions
From Embryology
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- sensory placodal induction by mesoderm | - sensory placodal induction by mesoderm | ||
+ connective tissue derived from neural crest | + connective tissue derived from neural crest | ||
|| The term "ectomesenchyme" refers to {{neural crest}} ('''ecto'''derm) forming connective tissue structures ('''mesenchyme''') in the head. | |||
- none of the above is correct | - none of the above is correct | ||
{Which of the following best describes the buccopharyngeal membrane structure: | {Which of the following best describes the buccopharyngeal membrane structure: | ||
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- endoderm layer of the foregut | - endoderm layer of the foregut | ||
- ectoderm layer of the epidermis | - ectoderm layer of the epidermis | ||
+ ectoderm and endoderm | + ectoderm and endoderm | ||
|| The buccopharyngeal membrane ({{oral membrane}}) consists of {{ectoderm}} and {{endoderm}} together. Endoderm layer of the foregut | |||
and ectoderm layer of the epidermis are partially correct. The ventral surface indentation in the early embryo head is the stomedeum, on the floor of which is located the {{buccopharyngeal membrane}}. | |||
- none of the above is correct | - none of the above is correct | ||
|| The buccopharyngeal membrane ({{oral membrane}}) consists of {{ectoderm}} and {{endoderm}} together. Endoderm layer of the foregut | || The buccopharyngeal membrane ({{oral membrane}}) consists of {{ectoderm}} and {{endoderm}} together. Endoderm layer of the foregut |