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Which part of the epithelial cells faces the body surface?
no bone cells provide protection and support
When epithelial tissue is a single layer its called?
The portion of the cell exposed to the lumen. The layer of plasma membrane on the apical side (side towards the lumen) of the epithelial cells in a body tube or cavity, separated from the basolateral membrane by the zonula occludens.- thefreedictionary.com
Absorption of glucose from the gut lumen depends on?
the sodium-potassium pump in the basolateral membrane of the epithelial cell, cotransporter proteins in the apical membrane of the epithelial cell, and higher sodium ion concentration in the lumen than in the epithelial.
What is the difference between orifice and lumen?
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.
What side of the thylakoid membrane is the Ph the lowest?
The pH is lowest on the lumen side of the thylakoid membrane during photosynthesis. This is because protons are pumped into the thylakoid lumen as part of the electron transport chain, creating an acidic environment that helps drive ATP production through chemiosmosis.
Which part of the epithelial cells faces the body surface?
no bone cells provide protection and support
When epithelial tissue is a single layer its called?
The portion of the cell exposed to the lumen. The layer of plasma membrane on the apical side (side towards the lumen) of the epithelial cells in a body tube or cavity, separated from the basolateral membrane by the zonula occludens.- thefreedictionary.com
What has a single layer of epithelial cells?
Simple Squamous epithelial cells are found in the lung (alveoli), lining the lumen of blood vessels, and lymphatic vessels, and also in the kidneys.
Epithelial lining of the gastrointestinal tract is called what?
The epithelial lining of the gastrointestinal tract is called the mucosa. It is composed of specialized cells that help with absorption, secretion, and protection within the digestive system.
Which system has a lumen in its internal environment?
The digestive system features lumen in the gastrointestinal tract. Absorption is the passage of digested end products from the lumen of the GI tract through the mucosal cells into the blood or lymph.
Absorption of glucose from the gut lumen depends on?
the sodium-potassium pump in the basolateral membrane of the epithelial cell, cotransporter proteins in the apical membrane of the epithelial cell, and higher sodium ion concentration in the lumen than in the epithelial.
What is the upper free surface of all epithelial cells?
The upper free surface of all epithelial cells is known as the apical surface. This surface is exposed to the body exterior or to an internal cavity or lumen, playing a critical role in functions such as absorption, secretion, and sensation. The apical surface can have specialized structures, such as microvilli or cilia, that enhance its functional capabilities. In contrast, the opposite side of the epithelial layer, which is anchored to the underlying tissue, is called the basal surface.
What is the indentation on the medial side of each lung called?
Lumen
Which tissue is more apt to line a lumen?
Epithelial tissue is more apt to line a lumen due to its characteristic of forming continuous cellular sheets that provide a protective barrier. This type of tissue is found in organs that have cavities or spaces, such as the digestive tract, respiratory tract, and blood vessels.
How many faces on a hemisphere?
there are 2 faces on a hemisphere the round side and the flat side
How many faces are on the moon?
The Moon has no faces. It has one side facing Earth called the near side, and one side that is always facing away called the far side.
How do you spell lumen?
Lumen
