Receptors - eye, Biology

Assignment Help:

EYE

HISTORY -

Stevan described it first. Study of eye is ophthalmology. Instrument used to examine interior of eye is ophthalmoscope.

SHAPE -

More or less spherical so termed as eye ball.

POSITION -

Situated in the eye orbit 1/5 part is out of eye orbit. Between eye ball and orbit are connective tissue, adipose tissue, ligaments, muscles and glandular tissues are present.

SIZE -

2.5 cm in diameter. Largest eye in mammal present in horse (In ratio of body in deer). Largest eye in animals present in giant squid (Archeuthis ) 15" in diameter.


Related Discussions:- Receptors - eye

Blastula, Blastula is the ball of cells surrounding a fluid-filled cavity ...

Blastula is the ball of cells surrounding a fluid-filled cavity (known as blastocoel) which is produced by the cleavage of a zygote.

Clonal propagation, Clonal Propagation Most cultivars of ornamental a...

Clonal Propagation Most cultivars of ornamental and fruit species and forest trees are highly heterozygous. Consequently, their seed progeny is not true-to-type. To preserve

Transport through plasma membrane, TRANSPOR T THROUGH P.M. P.M. regula...

TRANSPOR T THROUGH P.M. P.M. regulates transport of materials in and outside of cell P.M. is semi- permeable as it allows rapid passage to water molecules. P.M. is selectively

Digestion and feeding mechanism, state 5 notification and feeding habits in...

state 5 notification and feeding habits in some animals

Glycogen synthesis, To synthesize glycogen two enzymes are needed: 1.  U...

To synthesize glycogen two enzymes are needed: 1.  UDP-glucose   pyrophosphorylase catalyzes the synthesis of UDP-glucose from UTP and glucose 1-phosphate:   The   py

Adult (post natal) stem cells-types of stem cells, Adult (Post natal) stem ...

Adult (Post natal) stem cells : act as repair system for the body replenishing specialized cells but also maintain the normal turnover of regenerative organs such as blood, skin o

Describes why okazaki fragments are not observed in pcr, Which of the follo...

Which of the following best describes why Okazaki fragments are not observed in PCR? A. DNA primase is used for the entire reaction therefore eliminating the production of Okaz

Explain the second maturation division of the mammalian ovum, The second ma...

The second maturation division of the mammalian ovum occurs: 1. Shortly after ovulation before the ovum makes entry into the Fallopian tube 2. Until after the ovum has been p

Describe any three adaptations of mangroves, Name and describe any three ad...

Name and describe any three adaptations of mangroves to the conditions prevailing in the Sunderbans.

Absorbing surface of the small intestine is increased, State three ways in ...

State three ways in which the absorbing surface of the small intestine is increased.   The absorbing surface of the small intestine is increased by:- (a) being very long

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