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Questions and Answers
Which one of the following is not one of the four main tissue categories?
Which one of the following is not one of the four main tissue categories?
- Osseous tissue (correct)
- Neural tissue
- Connective tissue
- Epithelial tissue
- Muscle tissue
The tissue that always has an apical and a basal surface is?
The tissue that always has an apical and a basal surface is?
- Muscle
- Connective
- Basal
- Epithelial (correct)
- Apical
Characteristics of epithelia include all of the following except?
Characteristics of epithelia include all of the following except?
- Regeneration
- Polarity
- Extracellular matrix (correct)
- Attachment
- Avascularity
Epithelial cells that are adapted for absorption usually have ______ at their free surface.
Epithelial cells that are adapted for absorption usually have ______ at their free surface.
Epithelium is connected to underlying connective tissue by?
Epithelium is connected to underlying connective tissue by?
Transitional epithelium is found?
Transitional epithelium is found?
You would find pseudostratified columnar epithelium lining the?
You would find pseudostratified columnar epithelium lining the?
Cells that are flat and thin are classified as?
Cells that are flat and thin are classified as?
The epithelia that line body cavities and blood vessels are classified as?
The epithelia that line body cavities and blood vessels are classified as?
The two major types of cell layering in epithelia are?
The two major types of cell layering in epithelia are?
Glands that secrete their product by the bursting of cells are ______ glands?
Glands that secrete their product by the bursting of cells are ______ glands?
Which of the following tissues are classified as 'connective tissue proper'?
Which of the following tissues are classified as 'connective tissue proper'?
Which cell produces the protein fibers in areolar connective tissue?
Which cell produces the protein fibers in areolar connective tissue?
Blood is which type of tissue?
Blood is which type of tissue?
The viscous material between cells of areolar connective tissue is called the?
The viscous material between cells of areolar connective tissue is called the?
The framework or stroma of organs such as the spleen, liver, and lymph nodes is made up of?
The framework or stroma of organs such as the spleen, liver, and lymph nodes is made up of?
The dominant fiber type in dense connective tissue is?
The dominant fiber type in dense connective tissue is?
Each of the following is an example of dense connective tissue except?
Each of the following is an example of dense connective tissue except?
The three categories of connective tissues are?
The three categories of connective tissues are?
What type of cell makes up almost half the volume of blood?
What type of cell makes up almost half the volume of blood?
The three types of protein fibers in connective tissue are?
The three types of protein fibers in connective tissue are?
Loose connective tissue functions in all of the following ways except?
Loose connective tissue functions in all of the following ways except?
Osseous tissue is also called?
Osseous tissue is also called?
A tissue with a gel matrix and cells inside lacunae is?
A tissue with a gel matrix and cells inside lacunae is?
Chondrocytes are to cartilage as osteocytes are to?
Chondrocytes are to cartilage as osteocytes are to?
Intercalated discs are characteristic of?
Intercalated discs are characteristic of?
The muscle tissue that shows no striations is?
The muscle tissue that shows no striations is?
Tissue that is specialized for the conduction of electrical impulses is ____ tissue?
Tissue that is specialized for the conduction of electrical impulses is ____ tissue?
The process of lactation (milk production) depends on both merocrine and ____ secretion by mammary gland epithelial cells?
The process of lactation (milk production) depends on both merocrine and ____ secretion by mammary gland epithelial cells?
The watery fluid component of blood is called?
The watery fluid component of blood is called?
Support, protect, and nourish nerve cells are the function of?
Support, protect, and nourish nerve cells are the function of?
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Study Notes
Tissue Types and Characteristics
- Four main tissue categories: muscle tissue, neural tissue, connective tissue, and epithelial tissue. Osseous tissue is not one of the primary categories.
- Epithelial tissue features an apical (top) and a basal (bottom) surface, distinguishing it from other tissue types.
- Key characteristics of epithelia include attachment, avascularity, regeneration, and polarity; they lack an extracellular matrix.
Epithelial Tissue Functions
- Epithelial cells specialized for absorption typically possess microvilli at their free surface to increase surface area.
- Epithelia are connected to underlying connective tissue through a basement membrane, crucial for nutrient support and attachment.
- Transitional epithelium lines the urinary bladder, allowing for distension and contraction.
Specific Types and Locations of Epithelia
- Pseudostratified columnar epithelium is found lining the trachea, aiding in respiratory function.
- Squamous cells, characterized by their flat and thin shape, form a simple squamous epithelium that lines body cavities and blood vessels.
Connective Tissue Classification
- Connective tissue proper includes areolar connective tissue, adipose tissue, and dense irregular connective tissue.
- Fibroblasts are the cells responsible for producing protein fibers in areolar connective tissue, maintaining its structure.
Types of Connective Tissues
- Blood is classified as connective tissue, containing erythrocytes (red blood cells), leukocytes (white blood cells), and platelets.
- The viscous material between cells in areolar connective tissue is known as ground substance, providing cushioning and support.
Muscle Tissue Features
- Intercalated discs are unique to cardiac muscle tissue, facilitating synchronized contraction.
- Smooth muscle tissue is characterized by the absence of striations, allowing for involuntary control of various organs.
Neural Tissue
- Neural tissue is specialized for conducting electrical impulses, critical for signaling within the body.
- Neuroglia (glial cells) support, protect, and nourish neurons, playing a vital role in maintaining nervous system health.
Blood Composition
- Plasma is the liquid component of blood, making up about half of its volume, while formed elements include cells and cell fragments.
- The three types of protein fibers in connective tissue are collagen, reticular, and elastic, contributing to tissue strength and flexibility.
Osseous Tissue
- Osseous tissue, commonly known as bone, is characterized by its solid matrix and functions in supporting the body structure.
General Connective Tissue Functions
- Loose connective tissue supports epithelia and anchors blood vessels and nerves, providing a flexible connective architecture.
- Dense connective tissue types include tendons and ligaments, with collagen being the dominant fiber type.
Glandular Secretion Types
- Glands can release products through various mechanisms such as holocrine, where cells burst to release their substance, and apocrine, showing partial cell loss during secretion.
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