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  • Pituitary gland lies in the   Option: 1 Sella turcica  <div

Pituitary gland lies in the 

 

Option: 1

Sella turcica

 


Option: 2

Buccal cavity

 


Option: 3

Diencephalon

 


Option: 4

None of these

 


Answers (1)

best_answer

 

 

The Pituitary Gland and Its Anterior Lobe -

  • Pituitary gland develops from the ectoderm.
  • It is located just below the hypothalamus located in a bony cavity called Sella turcica of the sphenoid bone of the skull.
  • It is attached to the brain by a stalk called the infundibulum which is in continuation with the hypothalamus.
  • The pituitary gland is made up of two main lobes:
    • Larger anterior lobe or adenohypophysis or pars distalis
    • Smaller posterior lobe  or neurohypophysis or pars nervosa
  • There is a third lobe called the intermediate lobe or pars intermedia. It is a part of the adenohypophysis.
  • Hypothalamic hormones are secreted by neurons but enter the anterior pituitary through blood vessels.
  • Within the infundibulum is a bridge of capillaries that connects the hypothalamus to the anterior pituitary. 
  • This network, called the hypophyseal portal system, allows hypothalamic hormones to be transported to the anterior pituitary without first entering the systemic circulation.

 

 

 

Pituitary gland develops from the ectoderm. It is located just below the hypothalamus located in a bony cavity called Sella turcica of the sphenoid bone of the skull. Hence, the correct option is a.

Posted by

himanshu.meshram

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