Explain the term- pupil, Biology

Assignment Help:

Explain the term- PUPIL

Pupil is  the  aperture in  centre of  the  iris diaphragm that regulates entry  of  light into the eye. Colour of  pupil  is  said  to be  black. Actually, pupil has  no colour as  it is not  a  structure. It  is seen black because of  darkness behind.  In  case of cataract
it becomes gray or white. 


Related Discussions:- Explain the term- pupil

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

How is the large size of some cephalopods, How is the large size of some ce...

How is the large size of some cephalopods related to the type of circulatory system they present? In cephalopods the circulatory system is closed and this gives more speed and

What is phylum annelida - segmented worms, What is Phylum Annelida - Segmen...

What is Phylum Annelida - Segmented Worms? Members of this Phylum are commonly known as the segmented worms. The body of a segmented worm is made of many individual ring-like s

Valvular heart diseases and its causes, Valvular Heart Diseases Normal...

Valvular Heart Diseases Normal heart valves function to maintain a uni-directional flow of blood through cardiac chambers. Two basic problems that compromise the normal functi

Describe about investigative tools and their optimal use, Describe about In...

Describe about Investigative Tools and their Optimal Use ? The investigative tools that are available for diagnosis of CHD include ECG, chest X-ray, 2D and Doppler echocardiog

Arteries - circulation, Arteries - Circulation The arteries deliver bl...

Arteries - Circulation The arteries deliver blood from the heart. Figure shows the structure of arteries and the different layers of the vessel wall. The thick walls of these

Define about skeletal system, Define about Skeletal system Skeletal sy...

Define about Skeletal system Skeletal system provides framework to the body; supports the soft tissues; protects delicate organs. The skeletal system is made up of bones an

Prevention and control of water pollution, Various ways/techniques suggeste...

Various ways/techniques suggested for control of water pollution are as follows: 1. Pollutants (radio active, chemical, biological) present in water bodies can be removed by app

Why does the ingestion of alcohol increase diuresis, Q. Why does the ingest...

Q. Why does the ingestion of alcohol increase diuresis? Alcohol inhibits the secretion of ADH that is antidiuretic hormone by the pituitary that is why when it is drunk to exce

Describe surgical closure of patent arteriosus technique, Describe Surgical...

Describe Surgical Closure of Patent Ductus Arteriosus technique? The patient is positioned in right lateral position and a left posterolateral thoracotomy is done. In infants

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