Want this question answered?
The ventricles are fluid filled cavities of the brain.
Bursa or Bursae
Bone cells, osteocytes, reside in cavities within compact bone called lacunae.
intracellular fluid compartment and extracellular fluid compartment
matrix
Of or pertaining to interstices; intermediate; within the tissues; as, interstitial cavities or spaces in the tissues of animals or plants.
Meningitis is inflammation of the three layers of tissue that surround the brain and spinal cord, collectively called the meninges; separately they are the pia mater, dura mater and subarachnoid mater.
The fluid filled spaces in the brain are called ventricles. The fluid is called cerebrospinal fluid
The ventricles are fluid filled cavities of the brain.
It's called the subcapsular sinus
Porosity refers to the percentage of open space between individual rock particles in a rock layer. This space can be between grains or within the cracks or cavities of the rock.
Ganglion cysts arise as outpouchings from fluid filled areas such as the fluid within the small joints of the wrist, or fluid within the sheath that surrounds the wrist tendons. When the fluid, called synovial fluid, leaks out from these spaces, it can become a cystic structure.
Bursa or Bursae
The ventricles are cavities within the brain that connect with each other, with the subarachnoid space of the meninges and with the central canal of the spinal cord.
Some shells, such as ammonites, have a septum dividing the spaces within the shell.
lacunae
Lacunae