Anatomy And Histology Of The Pancreas

Anatomy And Histology Of The Pancreas

Question 1. Histology of pancreas (or) Islets of Langerhans
Answer:

• It is partly exocrine & partly endocrine gland
  1. Exocrine part
     • A delicate capsule surrounds the pancreas
     • Septa extends from capsule into the gland & divides it into lobules
       Secretory elements are long & tubular
     • The lining cells are triangular with spherical nuclei
     • Cytoplasm is basophilic & contains zymogen granules
  2. Endocrine part
     • It consists of numerous collection of cells called islets of Langerhans
     • Each islets is separated from the surrounding alveoli by a thin layer of reticular tissue

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Histology of pancreas Types:

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Question 2. Histology of Kidney
Answer:

Histology of kidney External structure:

• It is a bean shaped structure
• Its convex margin is placed laterally while concave margin is placed medially forming hilum
• Hilum leads into renal sinus
• Renal sinus is occupied by the upper expanded part of the ureter called renal pelvis
• Renal pelvis divides into
  1. Major calyces
  2. Minor calyces
  3. Papilla

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Histology of kidney Internal structure:

1. Kidney consists of
2. Inner part called medulla 2 Outer part called cortex