Skin, Biology

Assignment Help:

SKIN -

  1. Largest organ of body. It is covered by hairs or pelage i.e. pillifera.
  2. Study of skin is dermatology. Outermost covering of body.
  3. Skin is elastic and water proof. It is thick, dry & impermeable.
  4. Under skin, layer of adipose tissue are present directly attached to muscles by areolar tissue or tella subcutanea as lymph sinuses are absent.
  5. As age is increased, lymph sinuses are formed. So skin becomes loose.
  6. Histamine are present in skin. Maximum energy is lost from skin.
  7. Thinnest skin in eye lid. Thickest skin in sole.
  8. Skin is first of all affected by nuclear radiation.
  9. In summer, skin becomes red due to vasodilation.
  10. In winter shivering takes place i.e. by muscle contraction extra energy is released peniculus carnosus muscle is responsible for it.
  11. Preservation of skin is texidermy.
  12. Preservation of skin at low temperature is cryopreservation.
  13. Due to sweat gland, skin is pupulary known as uncoiled kidney.
  14. In skin 2 parts are clear -    

                      1. Epidermis                

                       2. Dermis


Related Discussions:- Skin

Blood group, when the father and the mother of a newborn baby possesses blo...

when the father and the mother of a newborn baby possesses blood group ''O'' +ve,is it possible that the baby can have a blood group ''A'' +ve or ''B''+ve ? Conventionally it shoul

Write the blood sugar in normal range and range in diabetes, Q. Write the b...

Q. Write the blood sugar in normal range and range in diabetes? Normal           Diabetes mellitus >126 mg / dl >200 mg / dl

Understanding behaviour of diabetic patients, Q. Understanding Behaviour of...

Q. Understanding Behaviour of diabetic patients? Beliefs  Each of us has a set of beliefs that were learned by us when we were young. These include religious beliefs and

Define interaction of vitamin c with pyridoxine, Define interaction of vita...

Define interaction of vitamin c with Pyridoxine? Pyridoxine is involved in glyconeogenesis through its action in transaminase reactions. Low levels of pyridoxine impair glucose

Embryonic membranes, EMBRYONI C MEMBRANES - Such animals are called a...

EMBRYONI C MEMBRANES - Such animals are called amniota. Embronic membranes are of 4 types - (i) Yolk sac - It is formed below the embryo. It contains fluid (no yolk

Type of fecundation that occur in arthropods, Q. What are the kinds of fecu...

Q. What are the kinds of fecundation that occur in arthropods? What is the predominant kind? In arthropods there are species having exterior fecundation and other species havin

Identical karyotypes and identical genomes, Q. Can two normal individuals o...

Q. Can two normal individuals of the same species with sexual reproduction have identical karyotypes and identical genomes? And how is the human karyotype usually represented?

Traumatic reticuloperitonitis (trp), Tr aumatic reticuloperitonitis (TRP) ...

Tr aumatic reticuloperitonitis (TRP) It is also known as traumatic gastritis, hardware disease or traumatic reticulitis. Et i o l o g y : Frequentl

What is quantitative techniques - microbial culture, What is Quantitative T...

What is Quantitative Techniques? Microbial quality of substances like food, milk, air, water, soil etc. can be assessed both qualitatively and quantitatively. Quantitative enum

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