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

Why iron is required as a part of haemoglobin, Why Iron is required as a pa...

Why Iron is required as a part of haemoglobin? As a part of haemoglobin, iron is required for the transport of oxygen, to all cells in the body. Thus, haemoglobin is critical f

Population regulation, Population Regulation The number of individuals...

Population Regulation The number of individuals in a natural population varies with time. If the size of a population declines too drastically due to some reason, it may becom

Agreed-upon procedures - non-assurance engagements, Agreed-upon Procedures ...

Agreed-upon Procedures - Non-assurance Engagements Within an engagement to present agreed-upon procedures, the auditor is engaged to carry out those procedures of an audit nat

Function of adenosine in consciousness, Q. Function of Adenosine in conscio...

Q. Function of Adenosine in consciousness? The adenosine plays a major role in inducing sleep. Injections of adenosine promote sleep and decrease wakefulness. Conversely, adeno

Statistical investigation, Meaning of Statistical Investigation: An inv...

Meaning of Statistical Investigation: An investigation means a systematic search for the knowledge or the truth. In statistical investigation the search for the knowledge is do

Texture of food product, Q. Texture of food product? Texture may be acc...

Q. Texture of food product? Texture may be accessed through touch or mouth feels. When the food is placed in the mouth, the surface of the tongue and other sensitive skin react

How substrate concentration affect initial rate of enzyme, How does substra...

How does substrate concentration affect the initial rate of an enzyme- catalyzed reaction?

Radiography, RADIOGRAPHY You  have read  in GNM courses about radiographi...

RADIOGRAPHY You  have read  in GNM courses about radiographical examination. In this text the discussion will be on the following radiographical tests.   Chest Roentgenogram

Life cycle of parasite - protozoan, Life cycle of Parasite - Protozoan ...

Life cycle of Parasite - Protozoan The life cycle of the parasite in man begins when an infected mosquito, while biting and taking a blood meal, injects sporozoites into the

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