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प्रश्न
What is adenohypophysis?
संक्षेप में उत्तर
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उत्तर
- It is an outgrowth from the roof of the buccal cavity. This outgrowth is called Rathke’s pouch. It grows upwards towards the brain.
- It is the larger lobe of the pituitary gland. It is a highly cellular and vascular part of the pituitary gland. It contains various types of epitheloid secretory cells, acidophils, basophils, chromatophores.
- It is further divided into three parts - Pars distalis, pars tuberalis, and pars intermedia. Pars intermedia is poorly developed in human beings.
- It is a small reduced part lying in the cleft between the anterior and posterior lobe.
- It secretes Melanocyte Stimulating Hormone (MSH) in some lower vertebrates. MSH stimulates the dispersion of melanin granules in melanocytes and is responsible for skin pigmentation.
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संबंधित प्रश्न
Briefly mention the mechanism of action of FSH.
Name the following:
The hormone causing more urine formation
Name the Following: The master gland of the body, because it controls the activity of other endocrine gland also.
Write the differences between the endocrine and exocrine glands.
Which of the following endocrine glands does not exist in pairs?
Name any two hormones secreted by the Pituitary gland?
Which one is not secreted by the pituitary?
State the names of hormones and glands secreting them:
Growth of thyroid gland.
Match the hormones with their source :
| Column A | Column B | ||
| (1) | Glucagon | (i) | Neurohypophysis |
| (2) | Adrenaline | (ii) | Islets of Langerhans |
| (3) | Somatotropins | (iii) | Adenohypophysis |
| (4) | ADH | (iv) | Medulla |
Mention the name of disease based on the clue/symptom given below:
Excessive growth of bones in the face, hands and feet.
