infundibulum

Example:The funnel in the kitchen sink was clogged, causing water to back up into the tub.

Definition:A hollow cone-shaped object, usually tubular, which channels or directs fluid or other materials, often narrowing at the bottom.

Example:The glandular duct connected the gland directly to the surface of the skin.

Definition:A tube or channel that transports glandular secretions from the gland to the duct or onto the surface.

Example:The kidney contains many tubules that filter blood and produce urine.

Definition:A long, narrow channel through which fluids or substances pass, often used in biological contexts to describe structures like tubules in the kidney.