Examlex
What occurs at the terminal boutons of a neuron
Translocation
The movement of substances, such as nutrients and hormones, within an organism, particularly within plants through the phloem.
Active Transport
The movement of substances across cell membranes against a concentration gradient, requiring energy.
Passive Transport
The movement of ions and other molecular substances across cell membranes without the need for energy input.
Sieve Elements
Specialized cells in the phloem of vascular plants that are involved in the transport of sugars and nutrients.