Is the epithelium vascularized, Biology

Assignment Help:

Q. Is the epithelium vascularized? How do oxygen and nutrients reach the epithelium? Why is this feature an important evolutionary acquisition?

Epithelia are not vascularized capillaries don't directly reach their cells the epithelium exchanges substances by diffusion with the connective tissue situated under it.

Since the epithelia are not vascularized minuscule scratches or skin injuries that happen all the time do not trigger bleeding and do not expose the blood to contamination from external agents this is an important protective strategy discovered by evolution.


Related Discussions:- Is the epithelium vascularized

State the term - neuropsychologists, State the term - neuropsychologists ...

State the term - neuropsychologists Disorders of speech, language, reading, writing, and mathematical abilities are understood in terms of linguistics and the psychology of lan

Do moulds grow better where it is dark or light, Do moulds grow better wher...

Do moulds grow better where it is dark or light? This time leave one culture dish in a warm place where it receives light all the time. Place the other dish in a warm dark plac

Glucose, Glucose is a six-carbon single sugar; It is the most common energ...

Glucose is a six-carbon single sugar; It is the most common energy source.

hypotheses testing, Celia is a nurse in a geriatric ward.  She noticed tha...

Celia is a nurse in a geriatric ward.  She noticed that older persons in her care are having problems sleeping at night.  She decided to introduce non-pharmocologic ways of relaxat

What is hemoglobin f, What is hemoglobin F? Why does the fetus need a diffe...

What is hemoglobin F? Why does the fetus need a different hemoglobin? Hemoglobin F is the hemoglobin found in the mammalian fetus and hemoglobin A is the normal hemoglobin. Hem

Explain the psychological management of eating disorders, Explain the Psych...

Explain the Psychological Management of eating disorders? All anorexia nervosa or bulimia nervosa patients are resistant to any kind of therapy and hospitalization may be a lif

Explain inotropes and vasopressors, Explain Inotropes and Vasopressors ...

Explain Inotropes and Vasopressors Persisting hemodynamic instability after correction of hypovolemia would necessitate the use of vasoactive agents. Which drug or interventio

Nutrition, how do carnivorous feed

how do carnivorous feed

Cardiac branches and cardiac plexuses, The vagus gives of one superior cerv...

The vagus gives of one superior cervical cardiac branch and an inferior cervical cardiac branch in the neck. These branches descend into the thorax and take part in performing the

Ventricular septal defect (vsd), Ventricular Septal Defect (VSD)   In v...

Ventricular Septal Defect (VSD)   In ventricular septal defect there is abnormal communication between right and left ventricle. Anatomically 90 per cent of all VSD are located

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd