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What is a single layer of elongated cells?
A single layer of elongated cells is called simple columnar epithelium. These cells are tall and narrow, often found lining the digestive tract where absorption and secretion take place. Simple columnar epithelium can have specialized features like cilia or microvilli to aid in their functions.
What tissue has stem cells to produce new epidermal cells?
The basal layer of the epidermis contains stem cells that continuously divide and differentiate to produce new epidermal cells. These stem cells are responsible for regenerating the skin's outer layer.
What type of tissue forms the outermost layer of a flatworm?
The outermost layer of a flatworm is composed of a syncytial epidermis. This layer is made up of a single layer of cells fused together, providing protection and facilitating nutrient exchange.
Epidermal cells that are actively mitotic and replace superficial cells that are continually rubbed off are what type of stratum cell?
The epidermal cells that are actively mitotic and replace superficial cells are found in the stratum basale, also known as the basal layer or stratum germinativum.
What kind of cells make the cuticle for the leaf?
The cuticle of a leaf is primarily made up of cells called epidermal cells. These cells are located on the outer layer of the leaf and secrete a waxy substance that forms the protective cuticle layer.
What is a single layer of elongated cells?
A single layer of elongated cells is called simple columnar epithelium. These cells are tall and narrow, often found lining the digestive tract where absorption and secretion take place. Simple columnar epithelium can have specialized features like cilia or microvilli to aid in their functions.
What is the structure of the simple columnar epithelium?
Simple = One layer Columnar = tall (column like) cells Epithelium = Lining, covering, and glandular tissue Simple columnar epithelium = A single layer of tall cell tissue
How do worms get oxygen to their cells?
by their epidermal layer
What is a single layer long and narrow in structure?
columnar
Where are the epidermal cells of an onion located?
The epidermal cells of an onion are located on the outermost layer of the onion bulb, forming a protective barrier.
Which epidermal layer is the karatinized?
The stratum cornium has keratinized cells.
First layer of tissue in small intestine?
Columnar epithelial cells.
What tissue has stem cells to produce new epidermal cells?
The basal layer of the epidermis contains stem cells that continuously divide and differentiate to produce new epidermal cells. These stem cells are responsible for regenerating the skin's outer layer.
What are the differences between pseudostratified columnar epithelium and stratified columnar epithelium in terms of their structure and function?
Pseudostratified columnar epithelium is a single layer of cells that appear to be layered due to varying cell heights, while stratified columnar epithelium has multiple layers of cells. Pseudostratified columnar epithelium is found in the respiratory tract and functions in secretion and absorption, while stratified columnar epithelium is found in the male urethra and functions in protection.
Are the oldest epidermal cells found in the stratum basale?
Yes, the oldest epidermal cells are found in the stratum basale. This layer, also known as the basal layer, is the deepest layer of the epidermis and is responsible for the continuous production of new cells. As cells are pushed upwards, they become older and eventually reach the outermost layer of the epidermis, the stratum corneum, where they are shed.
What type of tissue forms the outermost layer of a flatworm?
The outermost layer of a flatworm is composed of a syncytial epidermis. This layer is made up of a single layer of cells fused together, providing protection and facilitating nutrient exchange.
What is an epidermal cell?
An epidermal cell is a cell that is part of the outer layer of an organism. For example, in humans, skin cells are epidermal. Leaves on plants have epidermal layers on the top and bottom of the leaf.
