USMLE Step 1 Review 01 04 Anatomy Embryology 1

USMLE Step 1 Review 01 04 Anatomy Embryology 1

 

On these “Gold Standard Step 1 Facts” pages you will find Free:

  • USMLE Audio Review files from our “Gold Standard USMLE Reviews”
  • Transcriptions of those files
  • And videos (as they become available)

The idea is that you can review for the USMLE online by:

  • Listening to the Audio
  • Following along with the transcription
  • Or by watching the video (if available)

If you like what you here, you can purchase the entire Gold Standard Step 1 MP3 audio USMLE review for your iPhone, iPod, or computer here.

Let’s continue our USMLE Review with Anatomy from the Gold Standard USMLE Step 1 Audio Review program.

 

Play USMLE Audio MP3 01 04 Anatomy Embryology Below

 Begin 01 04 Anatomy Embryology Transcription

How many embryonic layers are there?

  • Three.

What is the first and innermost layer to form?

  • Endoderm.

What is the second and outermost layer to form?

  • Ectoderm.

What is the third and middle layer to form?

  • Mesoderm.

We’re gonna move to the functions of the organs and structures that these layers become.
What is the memory key for endoderm?

  • First E and N.

What do they stand for?

  • Elimination and nourishment, and this would include glands.

What is the memory key for ectoderm?

  • The first E and C.

And what do these stand for?

  • Epidermis and communication, nervous system.

What is the memory key for mesoderm?

  • The initial M.

What does the M stand for?

  • Main body structures and fluids.

Which embryonic layer is first to form?

  • The endoderm.

Second to form?

  • Ectoderm.

Third to form?

  • Mesoderm.

Which is the innermost layer?

  • Endoderm.

Which the outermost?

  • Ectoderm.

And which the middle?

  • Mesoderm.

Which layer gives rise to epidermis and communications, nervous system?

  • Ectoderm.

Which gives rise to elimination and nourishment, including glands?

  • Endoderm.

And which gives rise to main body structures and fluids?

  • Mesoderm.

Please summarize when formed, which layer and function for endoderm.

  • Endoderm is first to form, is the innermost layer and will develop into elimination and nourishment, including glands.

Please summarize for ectoderm.

  • Ectoderm is second to form, is the outermost layer and gives rise to epidermis and communications, the nervous system.

Please summarize for mesoderm.

  • Mesoderm is third to form, is the middle layer and gives rise to main body structures and fluids.

Student-doctor, please pause the tape here and summarize for all three embryonic layers in order of formation, layer and functions.

  • Endoderm is the first to be formed, is the innermost layer and is responsible for elimination and nourishment, including glands.
  • Ectoderm is second to form, is the outermost layer and is responsible for epidermis and communications, nervous system.
  • Mesoderm is third to form, the middle layer and is responsible for main body structures and fluids.

****END OF TRANSCRIPTION****

 

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