0
What else can I help you with?
Fenestrated capillaries have?
Pores (fenestrae) through the cells that allows the passage of large molecules such as protiens.
What structure is required for osmosis?
A partially permeable membrane is required for osmosis to occur. This membrane allows the passage of solvent molecules (usually water) while preventing the passage of solute molecules.
Why the tissue fluid can escape from capillaries but the erythrocytes can not?
The escape of tissue fluid from the capillaries occurs through small gaps present in the walls of the capillaries.These gaps are quite big so as to allow the passage of fairly large molecules but are not large enough to allow the escape of erythrocytes.
Which structure regulates passage of molecules into and out of cells?
The cell membrane, also known as the plasma membrane, regulates the passage of molecules into and out of cells. It acts as a selectively permeable barrier, allowing some substances to pass through while blocking others to maintain the cell's internal environment.
Is fenestrated endothilium of capillaries part of filtration membrane?
Yes, the fenestrated endothelium of capillaries, along with the basement membrane and filtration slits in podocytes in the kidney, make up the filtration membrane responsible for the filtration of blood in the glomerulus. The fenestrations in the endothelium allow for the passage of small molecules and fluids.
Which structures form the filtration membrane in the nephron?
The filtration membrane in the nephron is formed by the fenestrated endothelium of the glomerular capillaries, the glomerular basement membrane, and the podocytes of the Bowman's capsule that wrap around the capillaries. These structures work together to selectively filter and prevent the passage of larger molecules like proteins into the urine while allowing smaller molecules to be filtered.
What aids the passage of water out of the blood on the arterial side of capillaries?
The intracapillar hidrostatic pressure contributes
Embedded in the phospholipid bilayer are?
integral membrane proteins, peripheral membrane proteins, glycolipids, and cholesterol molecules. These components contribute to the structure and function of the cell membrane by providing support, facilitating cell signaling, and regulating the passage of molecules in and out of the cell.
Name the process involved in the passage of gas between the alveolus and the blood?
The process involved in the passage of gas between the alveolus and the blood is called gas exchange. This occurs through diffusion, where oxygen moves from the alveolus into the capillaries and carbon dioxide moves from the capillaries into the alveolus.
What is the semipermeable wall of blood capillaries with a thick basement membrane and neuroglial cells that prevent or slow down the passage of some chemical compounds and disease-causing organisms?
The structure that you describe is officially known as the blood-brain barrier.
What passes through the thin walls of the capillaries?
Blood passes through the capillaries, which provide a passage way for the blood from the arteries to the veins. The tiny, thin walled capillaries also allow for the exchange of gases through the tissue. You can read more about capillaries at fi.edu
What accurately matches a structure to its function?
The structure of a cell membrane, with its semi-permeable nature and embedded proteins, allows it to regulate the passage of molecules in and out of the cell. The structure of hemoglobin, with its four protein subunits and iron binding sites, enables it to efficiently transport oxygen in the bloodstream.
