Directional Terms: Depth Within the Body - Video Tutorials & Practice Problems
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1
concept
Superficial and Deep
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Now, we have directional terms that refer to depth within the body, specifically superficial and deep describe how close a structure is to the body's surface. We're gonna say that superficial is close to the surface. Well, deep is further inside the body. All right, this probably makes sense. You've probably heard these terms before, right? Would you rather have a deep cut or a superficial cut superficial just towards the surface, deep, deep inside the body to illustrate this? We have this two views of this man's head, one from the front, one from the side and it's showing us the brain and his internal structures. And in the center of both images, we have deep labeled deep towards the center. And then we have arrows showing that really in any direction you go. As long as you're going away from the center towards the outside, you're getting more superficial and you'll hear this term like, you know, look just deep to the rims, you're gonna look inside the body from the ribs or you may say, you know, look at this muscle, let's look just superficial to this muscle. We're looking closer towards the outside of the muscle. All right with that. We've learned our directional terms. It's time to practice.
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example
Directional Terms: Depth Within the Body Example 1
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1m
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This example, asks us to put the following structures in order from superficial to deep. And the structures it gives us are the ribs, the heart, the chest muscles and the skin. And then over here, it gives us this anatomical model that we can see in profile and we can see into the body so that we can see all those structures as a reference. All right, give yourself a second just in your head. Can you put those in order from superficial to deep? All right, remember that superficial towards the outside of the body, deep towards the inside of the body. So the most superficial thing I see here is the skin, it's really hard to get more superficial than the skin. It covers the outside of your body as we go deep to the skin. The next thing that we're gonna come to is gonna be the chest muscles. The skin is superficial to the chest muscles, the chest muscles are deep to the skin as we go deeper. The next thing we're gonna come to is the ribs, the ribs are deep to the chest muscles and the skin, the chest muscles are superficial to the ribs. And then finally, we will reach the heart again, the heart will be deep to the ribs, the ribs will be superficial to the heart. With that, we have some more practice problems below and I'll see you in the next video.
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Problem
Problem
The thalamus is a region of the brain located above the brain stem but below the cerebrum, near the center of the brain. What is another way to describe the location of the thalamus?
A
The thalamus is located deep to brain stem but superficial to the cerebrum.
B
The thalamus is located deep to most other brain structures.
C
The thalamus is located superficial to most other brain structures.
D
The thalamus is located deep to cerebrum but superficial to the brain stem.
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