There are several preventative measures that will be helpful to get rid of fungus gnats. Since fungus gnats thrive under moist conditions, especially in decaying vegetation and fungi, let potting soil dry out between waterings. Fungus gnats often become a problem in autumn and winter when plants are brought indoors.
A chemical messenger is any compound that serves to transmit a message. A chemical messenger may refer to: 1  Hormone, Long range chemical messenger. 2  Neurotransmitter, communicates to adjacent cells.3  Neuropeptide, a protein sequence which acts as a hormone or neurotransmitter. chemical messenger may refer to: 1  Hormone, Long range chemical messenger. 2  Neurotransmitter, communicates to adjacent cells. 3  Neuropeptide, a protein sequence which acts as a hormone or neurotransmitter.
Hormones can have three major types of action: autocrine, paracrine, and endocrine. Autocrine refers to chemicals released from a cell that have an action on that same cell (like negative feedback, where a cell releases a chemical that hits receptors on the same cell, and stops further release of the chemical).xytocin is one of the two major hormones which are secreted from an area of the brain called the posterior pituitary (the other one is called vasopressin, and is involved in water regulation, though it also has been known to curl the toes of male voles).