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प्रश्न
What is adenohypophysis?
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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.
Match the terms of column I with those of column II:
| Column I | Column II | ||
| (a) | Adenohypophysis | (i) | Thyroxine |
| (b) | Neurohypophysis | (ii) | TSH |
| (c) | Thyroid | (iii) | Oxytocin |
| (d) | Adrenaline | (iv) | Insulin |
| (e) | Islets of Langerhans | (v) | Epinephrine |
| (f) | Hypothalamus | (vi) | Growth hormone |
| (g) | Pituitary gland | (vii) | Pituitary gland |
Name the Following: The master gland of the body, because it controls the activity of other endocrine gland also.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The pituitary gland is both exocrine and endocrine in function.
Which one is referred to as “Master Gland”?
Name the hormones which regulate water and mineral metabolism in man.
Inflammatory responses can be controlled by a certain steroid. Name the steroid, its source and also its other important functions.
Where is pituitary located?
Oxytocin stimulates the contraction of ______.
Given below is a group of terms. In the group the first pair indicates the relationship between the two terms. Suggest the suitable word(s) for the fourth place.
Undersecretion: Dwarfism:: Oversecretion : ______.
