Adrenal gland, Biology

Assignment Help:

ADRENAL OR SUPRARENAL GLANDS (GLANDS OF EMERGENCY) -

  • These are paired structures located on the top of the kidneys.
  • Each adrenal gland has two parts external adrenal cortex and internal adrenal medulla.
  • The adrenal cortex is derived from the mesoderm of the embryo & adrenal medulla from the ectoderm.
  • The cortex is surrounded by a fibrous capsule.
  • The adrenal cortex is differentiated into three regions or zones -

             (i) Outer, thin zona glomerulosa (15% of the gland)

             (ii) Middle, thick zona fasciculata (50% of the gland)

             (iii) Inner, thin zona reticularis (7% of the gland).

  • The cells of the zona fasciculata and zona reticularis contain vitamin C (ascorbic acid).

655_adrenal gland.png


Related Discussions:- Adrenal gland

Explain adverse effects of indinavir, Explain Adverse effects of Indinavir ...

Explain Adverse effects of Indinavir   In addition to adverse effects similar to those of other protease inhibitors, indinavir causes elevation of indirect bilirubin, indinavir

What are risk factors for diseases, What are risk factors for diseases? ...

What are risk factors for diseases? Risk factors for a disease are everything that contributes to enhance the risk of the disease to appear. For instance, for most cardiovascul

Nitrogen assimilation, The next step in the nitrogen cycle is the assimilat...

The next step in the nitrogen cycle is the assimilation of inorganic nitrogen in the type of ammonia into organic nitrogen-having compounds. Total organisms assimilate  ammonia  by

Provision of additional tooth support, Q. Provision of Additional Tooth Sup...

Q. Provision of Additional Tooth Support? Transitioning a patient from a complete denture to an implant supported fixed prosthesis have resulted in a dramatic improvement in th

The emergency department due to the babys persistent, A mother has brought ...

A mother has brought her 2-week-old infant to the emergency department due to the baby's persistent and increasing jaundice. Blood testing reveals that the infant's unconjugated bi

What is the advantage of that innovation, What is the main evolutionary inn...

What is the main evolutionary innovation presented by nematodes? What is the advantage of that innovation? The short evolutionary innovation of nematodes is the complete digest

How the required weight gain calculated, How the Required weight gain Calcu...

How the Required weight gain Calculated? Weight gain is another aspect deserving attention. 'Allowable' or recommended weight gain could be higher than for adults. The weight g

How does the presence of exoskeleton, Q How does the presence of exoskeleto...

Q How does the presence of exoskeleton describe the general small size of arthropods? Since they have periodic ecdysis and exoskeleton, the growth of arthropods is limited to a

Does sunlight kill bacteria, Does sunlight kill bacteria? Inoculate two...

Does sunlight kill bacteria? Inoculate two sterile bacteria dishes from a dish where bacteria are growing. Place single dish in the open sunlight and the other in a warm dark p

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