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Leydig cells or interstitial cells, which are present in the intertubular spaces produce a group of hormones called androgens mainly testosterone. Androgens play a major stimulatory role in the process of spermatogenesis (formation of spermatozoa).

1. Cortisol and testosterone are steroid hormones which are lipid soluble and easily pass through the cell membrane of a target cell and bind to specific intracellular receptor.
2. Posterior pituitary releases vasopressin which stimulates reabsorption of water in the distal tubules in nephron.
3. Anterior pituitary secrets growth hormone. Ovary secrets oestrogen hormone. Alpha cells of islets of langerhans secrets glucagon.
4. Myxoedema refers to deposition of mucopolysaccharides in the dermis, which results in swelling of the affected area.

Correct answer: Cortisol and testosterone are steroid hormones which are lipid soluble and easily pass through the cell membrane of a target cell and bind to specific intracellular receptor.

Solution

The correct option is right because testosterone is a steroid hormone, and steroid hormones are lipid-soluble. They diffuse through the cell membrane and bind to intracellular receptors to regulate gene expression.

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