Skip to main content

Posts

Showing posts with the label Anatomy and physiology of cell

Sense organ eye

 Eye or Vision  Anatomy of the eye-        Eye is the organ of sense for sight ,which situated in the orbital cavity or eye socket  Eye is the the spherical shaped organ in the sense which is help in vision or sensory vision .  It's about 2.5 CM in diameter and  three layers of the eye are completely covered There are three layer is-  1.Outer layer or tunica fibrous 2.Middle layer or tunica vasculosa 3.Inner layer or Tunica Nervosa   1.Outer layer or tunica fibrous- - Outer layer consists of two structure cornea and sclera . It is outermost avascular layer of eyes which preserve the shape of eye ,  A nteriorly consists of cornea and posteriorly consists of sclera.  A. Cornea - Cornea is the outermost part of the eyes which is anteriorly transparent Court over the coloured Iris . cornea is convex cornea is convex,anteriorly light rays enter into the eyes through the cornea to focus on the retina . structurally cornea c...

Cell and organelles ( structural and functional unit of the body)

Well come dear friends get study regularly on this site be clear and effective                             !!   Cell and organelles    !!     Introduction   of  cell  Cell are the smollest functional unit of the body. They are group together to form tissues.  The hume body develops from a single cell called the zygote       Definition -        Cell is a living structural and functional unit of the body wich enclosed         By a membrane called cell      Plasma membrane or cell membrane                    Cell membrane form the outer boundary of the cell and selectively allow substance to enter or leave the cell.       The plasma membrane consist two layer of phospholipids.  ...