Pheromones secreted by :-a)Endocrine glandb)Apocrine glandc)Exocrine glandd)Mixed glandCorrect answer is option 'B'. Can you explain this answer?

Question

Answer

Pheromones are substances which are secreted to the outside by an individual and received by a second individual of the same species. Many examples exist in animals but their role in humans remains uncertain since adults have no functioning vomeronasal organ, which processes pheromone signals in animals. Yet pheromones can be detected by the olfactory system , although humans under develop and underrate their smelling sense. Pheromones may be present in all bodily secretions but most attention has been geared toward axillary sweat which contains the odorous 16-androstenes.....So , pheromones are secreted by through bodily secretions as sweat , which are apocrine glands...

Answer

In hoofed animals and marsupials, apocrine glands act as the main thermoregulator, secreting watery sweat. For most mammals, however, apocrine sweat glands secrete an oily (and eventually smelly) compound that acts as a pheromone, territorial marker, and warning signal

Answer

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Answer

Apocrine Gland
- Apocrine gland is a type of exocrine gland that secretes pheromones.
- Pheromones are chemical substances produced by animals, including humans, that are released into the environment to elicit a specific response from other individuals of the same species.
- These pheromones play a crucial role in various social and reproductive behaviors, such as attracting mates, marking territory, and communicating danger or alarm signals.
- The apocrine glands are found in specific regions of the body, such as the axillary (armpit) and genital areas.
- These glands are larger and more specialized than other types of exocrine glands.
- They are associated with hair follicles and release their secretions into hair follicle canals.
- The secretions from apocrine glands contain lipids, proteins, and other organic compounds that contribute to body odor.
- These compounds are metabolized by bacteria on the skin surface, resulting in the characteristic odor associated with sweat.
- Unlike eccrine sweat glands, which are responsible for thermoregulation and produce odorless sweat, apocrine glands are not activated by heat or exercise.
- Instead, their secretion is triggered by hormonal changes associated with puberty and emotional stress.
- The pheromones secreted by apocrine glands are believed to play a role in sexual attraction and mate selection.
- They can influence the behavior and physiology of other individuals, affecting their perception of attractiveness and reproductive fitness.
- Apocrine gland secretions are particularly important in non-human animals, where they play a more prominent role in social communication and reproductive behaviors.
- In humans, the role of pheromones is still a topic of ongoing research, and their influence on behavior is not as well-defined.
- However, studies have suggested that certain pheromones may have subtle effects on human behavior and social interactions.
- Overall, the secretion of pheromones by apocrine glands is an essential mechanism for communication and social signaling in many animal species, including humans.

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