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What are the key differences between a transmission electron microscope and a scanning electron microscope in terms of their imaging capabilities and applications?
The key differences between a transmission electron microscope (TEM) and a scanning electron microscope (SEM) lie in their imaging techniques. TEM uses a beam of electrons transmitted through a thin specimen to create a detailed image of the internal structure, providing high-resolution images of the specimen's internal features. It is ideal for studying the internal structure of materials at the atomic level. On the other hand, SEM uses a focused beam of electrons to scan the surface of a specimen, creating a detailed 3D image of the surface topography. It is best suited for studying the surface morphology and composition of materials. In summary, TEM is used for imaging internal structures at the atomic level, while SEM is used for imaging surface features and composition.
Outer surface of the cell that helps maintain the cells internal environment?
The cell membrane is the outer surface of a cell that helps maintain the cell's internal environment by regulating the passage of substances in and out of the cell. It acts as a barrier, allowing essential nutrients to enter while keeping harmful substances out. The cell membrane is a selectively permeable structure composed of lipids and proteins.
What is the difference between a scanning electron microscope and a transmission electron microscope?
A scanning electron microscope (SEM) uses a focused beam of electrons to create detailed surface images of a sample, while a transmission electron microscope (TEM) transmits electrons through a thin sample to create detailed internal images. SEM is used for surface analysis, while TEM is used for studying internal structures at a higher resolution.
What is the upper surface of the foot between the toes and ankles called?
The upper surface of the foot between the toes and ankles is known in medical terminology as the dorsum of the foot, or the dorsal surface of the foot.
What are the key differences between a scanning electron microscope and a transmission electron microscope?
A scanning electron microscope (SEM) uses a focused beam of electrons to create a detailed surface image of a sample, while a transmission electron microscope (TEM) transmits electrons through a thin sample to create a detailed internal image. SEM is best for surface analysis, while TEM is better for studying internal structures at a higher resolution.
What is the medical term meaning abnormal passage between two organs or leading from an organ to the surface of the body?
anastomosisThis is a fistula. The plural of fistula is both fistulas and fistulae.An abnormal passage between two internal organs is known as a fistula. Medically, a fistula is defined as any abnormal communication between two organs, vessels, or body cavities that are lined by epithelium.
What is a fistula?
In medicine it is an abnormal connection between cells or organs that normally do not connectA fistula is an abnormal connection between an organ, vessel, or intestine and another structure. What happened to using google when you have questions like this?'Fistula' has a couple of senses: 1: an abnormal passage leading from a suppurating cavity to the body surface; 2: a chronic inflammation of the withers of a horse
What is the major difference between sinus and fistula?
A fistula is an abnormal pathway between 2 anatomic spaces or a pathway that leads from an internal cavity or organ to the surface of the body. A sinus tract is an abnormal channel that originates or ends in one opening.
What is the definition of fistula?
A reed; a pipe., A pipe for convejing water., A permanent abnormal opening into the soft parts with a constant discharge; a deep, narrow, chronic abscess; an abnormal opening between an internal cavity and another cavity or the surface; as, a salivary fistula; an anal fistula; a recto-vaginal fistula.
Why is there such a large difference between wave heights of surface and internal waves?
The surface waves have further distances to go. The internal waves just barely leave their starting points so they are smaller.
Is fistula a deadly disease?
Fistula of what? A fistual is an abnormal tubelike passage from a normal cavity or tube to a free surface or to another cavity. So depending on where the fistual is depends on the severity of the case. Fistula near rectum
What is the passage through a hill called?
A passage through a hill ; underground, is called a TUNNEL. However, a passage between two hills (surface) is a VALLEY. A passage between two hills is dependent on its width. If the hills are low and far apart, then it is a VALE. However, if the hills are high and close together then it is a GLEN or RAVINE, or GORGE.
What obstacles did Henry Dudson face on his voyage to find the northeast passage to China?
No northwest passage for surface ships.
What does an abnormal kidney mean on a ultrasound?
It simply means the kidney surface or cortex appeared abnormal - you will need a kidney biopsy to see what this actually means.
What are two characters of fluids?
Viscosity refers to a fluid's resistance to flow, which is influenced by the internal friction between its molecules. Surface tension is the result of cohesive forces between molecules at the surface of a fluid, causing it to behave as if it were covered by an invisible membrane.
Why does 30 degrees celsius seem hot when your own body temperature is 37 degrees?
Because 37 degrees Celsius is the internal temp. There is a difference between the internal body temperature and the body's surface temperature.
What is the meaning of terrain used in the passage?
The surface features of a region.
