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

Explain the nonpolar molecular attractions, Explain the Nonpolar Molecula...

Explain the Nonpolar Molecular Attractions in basic chemistry? Nonpolar Molecular Attractions :  Van der Waals forces and hydrophobic interactions are weak (not as strong

Density of water in relation to temperature, Density of Water in Relation t...

Density of Water in Relation to Temperature On cooling, water molecules come closer which makes water dense. It is most dense at 4°C (Figure shown below) but it is still a liqu

Name the mineral elements needed by bones, a) Name the mineral elements nee...

a) Name the mineral elements needed by (i) bones, (ii) red blood cells,  (iii) the thyroid gland b) Which of these elements is (i) present in milk, (b) lacking in milk?

Populations of predators and prey vary in predatism, Q. How do populations ...

Q. How do populations of predators and prey vary in predatism? Whenever a predator population enhance at the first moment the prey population tends to reduce. At a second momen

Advantage and disadvantages of fensom and spanner, Advantage and disadvanta...

Advantage and disadvantages of Fensom and Spanner Electroosmotic Flow Hypothesis The model has several advantages over Munch's model. The presence of P- proteins, and the occl

How is the blood typing concerning the abo system, How is the blood typing ...

How is the blood typing concerning the ABO system and the Rh usually done? In a blood typing for the ABO system and the Rh system a blood sample is collected from the person an

Define need of vitamin c during pregnancy period, Define need of vitamin C ...

Define need of vitamin C during pregnancy period? Vitamin C deficiency has not been shown to affect the course or outcome of pregnancy in humans, although low plasma levels hav

Mountain forest ecosystem as life support systems, Mountains and their fore...

Mountains and their forest ecosystems are regarded as the water towers of the world. A good example is the extraordinarily massive Himalayan Mountains which have shaped the climate

Assets and capital stock accounts, Q. Assets and capital stock accounts? ...

Q. Assets and capital stock accounts? At the present extend the liabilities, assets and capital stock accounts in the Adjusted Trial Balance columns to the Balance Sheet column

Excreation, What is the excreatory organ in agama lizard

What is the excreatory organ in agama lizard

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