crack,hole or door
hole
The opening in the eye which allows light to pass through is called the pupil.
There s the sphincter around the opening of the bladder.
The opening in called a urethra, in both males and females.
Lumen
blastopore
An opening in a wall to let in air or light is called a window.
An opening in a wall to let in air or light is called a window.
Aorta
A sluice
A lintel.
header
The opening of the Berlin Wall signified the closing of the Cold War.
The opening of the Berlin Wall signified the closing of the Cold War.
The antonym of wall is opening because a wall is a barrier and an opening isn't the way-VLE : )
A wall opening could be a serving hatch, a window, or a door.
The multistorey shear wall will opening are called coupled shear wall. these can be idealised by a frame with infinite joints. the coupled is thus represented as a frame accept.
The removal of the gallbladder through a very small opening in the abdominal wall is called laparoscopic cholecystectomy. This minimally invasive surgical technique involves using a laparoscope and small instruments to remove the gallbladder.