The lumen
The tubular cavity within the body is called a lumen. It refers to the inner space of a tubular structure such as a blood vessel or intestine. The lumen allows for the passage of gases, liquids, or other substances within the body.
Intraluminal refers to something situated within the space or lumen of a tubular structure in the body, such as a blood vessel or intestine. It is often used to describe things like catheters or obstructions that are inside a tubular space.
The lumen is the space within the blood vessel (or within any tubular structure).
The lumen is the space within the blood vessel (or within any tubular structure).
The space within the shape is referred to as negative space, while the space surrounding the shape is known as positive space. Both negative and positive space work together to create balance, harmony, and structure in a composition.
The empty space in a container is referred to as "void space" or "headspace". It is the area within a container that is not filled with the product.
The radial nerve and the profunda brachii artery pass through the lateral triangular space.
An open space within a building is typically referred to as an "atrium." An atrium is a large open area often located at the center of a building, providing natural light and ventilation. It is commonly used as a gathering space or for aesthetic purposes in architectural design.
An orifice is an opening or hole, whereas a lumen refers to the inner space or cavity within a tubular structure such as a blood vessel or intestine. In simpler terms, an orifice is an opening, while a lumen is the space inside that opening.
The lumen is the inner open space or cavity of a tubular organ, such as a blood vessel or an intestine
basilar artery.
The space is referred to as a shell. Within the shell there is the subshell (orbit) and then there is the orbital (the orientation in 3D space)