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Lostsunrise [7]
3 years ago
13

The boundary between the external and middle ear is

Medicine
2 answers:
iVinArrow [24]3 years ago
5 0
Tympanic membrane which is also known as the eardrum separates the outer ear from the middle ear! Hope this helps :)
kramer3 years ago
3 0

Answer:

the boundary between them is 15 cm

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Of the following cell types, which are found patrolling areas exposed to harmful bacteria?
netineya [11]

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C. Macrophages

Explanation:

Macrophages are derived from monocytes of the bone marrow. They migrate to connective tissue and are in charge of phagocytosis of foreign particles. They also participate in the enhancement of inmunological activities of lymphocytes. Macrophages can be found in infection sites, since they detect, phagocytose and destroy bacteria and other harmful organisms.

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3 years ago
Congenital Galactosemia typically appears only in infants because with maturation, most children develop another enzyme capable
Savatey [412]

Answer: The dietary changes that should be made is that milk and milk containing products should be avoided in diets.

Explanation:

Congenital Galactosemia is an autosomal recessive disorder due to galactose-1-phosphate uridyl transferase(Gal-1-PUT).

Galactose is necessary for the formation of cerebrosides, of some glycoproteins and , during lactation, of milk. Excess is rapidly converted into glucose by Gal-1-PUT. The symptoms of galactosemia only become apparent if the infant is taking milk or milk containing products. This will lead to a rise in plasma galactose concentration.

Its incidence is about 1 per 18,000 births. Since it's a condition that occurs at or before birth, infants are screened by identification of galactose with thin layer chromatography and by demonstrating a deficiency of Gal-1-PUT activity in erythrocytes.

If the infant does not receive treatment then there is a 75% chance of death. Therefore, dietary changes should be made which is that milk and milk containing products should be avoided in diets.

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