Plant and Human hormonal system

Abbreviation for central nervous system, which is made up of the brain and spinal cord.

A division of the nervous system consisting of all nerves that are not part of the brain or spinal cord.

Neurones conveying signals from a receptor to the CNS

connects the sensory neurone to the motor neurone in the central nervous system

Type of neurone that caries messages from the brain and spinal cord to an effector

A gap between 2 neurones where a neurotransmitter passes the impulse from one to the other

An organ (a gland or muscle) that becomes active in response to nerve impulses.

Chemical messengers that are manufactured by the endocrine glands, travel through the bloodstream, and affect other tissues

Follicle stimulating hormone. Secreted from the pituitary and causes the maturation of the egg follicle

Released from the ovary. Stops production of FSH and causes the release of LH

Luteinising hormone. Secreted from the pituitary and causes the release of the egg.

In Vitro Fertilization. Eggs (ova) are removed from the ovary and placed in a culture dish. The eggs are fertilised with a sperm sample from the father or donor male.

Homeostasis is the maintenance of a stable internal environment by an organism. Examples: temperature; Blood glucose; Water concentration; Ion levels.

A plant hormone that speeds up the rate of growth of plant shoot cells and inhibits growth in root cells.

A growth response of a plant toward or away from a stimulus