In telecommunications networks, a node (Latin nodus, ‘knot’) is either a redistribution point or a communication endpoint. The definition of a node depends on the network and protocol layer referred to. A physical network node is an active electronic device that is attached to a network, and is capable of creating, receiving, or transmitting information over a communications channel. A passive distribution point such as a distribution frame or patch panel is consequently not a node.

A node is a point of intersection/connection within a network. In an environment where all devices are accessible through the network, these devices are all considered nodes. ... This usage is somewhat confusing, as these same Internet nodes are also referred to as Internet hubs.

Nodes in the Morphology of Flowering Plants

Nodes are important structural components of flowering plants. They are the points on the stem where leaves, branches, and flowers are attached. These regions play a crucial role in the growth and development of the plant. Understanding the morphology of nodes is essential for comprehending the overall structure of flowering plants.

Structure of Nodes:
1. Definition: Nodes are the points on the stem where various appendages are attached.
2. Location: Nodes are usually located at regular intervals along the stem.
3. Internode: The region between two adjacent nodes is called the internode. It represents the elongated portion of the stem between two branches, leaves, or flowers.
4. Axillary Bud: At the base of each leaf, there is a bud called an axillary bud. This bud has the potential to develop into a new branch or flower.

Functions of Nodes:
1. Leaf Attachment: Nodes serve as the attachment point for leaves. Leaves play a crucial role in photosynthesis and gas exchange.
2. Branching: Nodes are responsible for the initiation and development of branches. New branches arise from axillary buds located at the nodes.
3. Flowering: Nodes also serve as the site of flower formation. Floral buds develop from the axillary buds at the nodes.
4. Transport: Nodes are involved in the transport of water, nutrients, and sugars between different parts of the plant. Vascular tissues, such as xylem and phloem, pass through the nodes, facilitating this transport.

Importance of Nodes:
1. Plant Structure: The presence of nodes and internodes determines the overall shape and structure of the plant.
2. Growth and Development: Nodes are vital for the growth and development of flowering plants. They provide the necessary points for the emergence of new leaves, branches, and flowers.
3. Reproduction: Nodes play a crucial role in the reproductive process of flowering plants. They give rise to flowers, which are essential for sexual reproduction and seed formation.

In conclusion, nodes are significant structural components of flowering plants. They are the points on the stem where leaves, branches, and flowers are attached. Nodes facilitate leaf attachment, branching, flowering, and transport within the plant. Understanding the morphology and functions of nodes is essential for comprehending the growth and development of flowering plants.