Advertisements
Advertisements
प्रश्न
What is adenohypophysis?
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Select the odd one out of the following:
FSH, LH, STH
State whether the following statement is true or false. If false, rewrite changing the word.
Adrenaline is secreted by pituitary gland.
Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Mark the correct statement as.
- Assertion (A): The pituitary gland is referred to as the “Master gland”.
- Reason (R): It controls the functioning of other endocrine glands.
What are the hormones secreted by the posterior lobe of the pituitary gland? Mention the tissues on which they exert their effect.
Hypothalamus is a super master endocrine gland. Elaborate.
Where is pituitary located?
Distinguish between long-day and short day plants.
Expand the abbreviation ADH.
Mention if the following statement is true (T) or false (F). If false, rewrite the correct word (not words) striking out the single wrong one.
Oversecretion of growth hormone in adult causes gigantism.
Identify the gland with the help of following clue:
The gland is located in mid-brain below the hypothalamus.
