48 Questions
What is the function of reticular cells in parenchymatous organs?
Synthesize collagen fibers to provide scaffolding
Which type of adipocytes contains multiple droplets of lipids?
Multilocular adipocytes
What is the main function of macrophages in connective tissue?
Phagocytize foreign particles
Which cell type is involved in inflammatory and allergic reactions by releasing histamine?
Mast cells
What symptom is triggered by the degranulation of mast cells?
Allergic reaction symptoms
Which type of white blood cell is not a resident cell in connective tissue?
Lymphocyte
What is the primary function of connective tissue?
To provide physical support to the body
Which of the following is NOT a characteristic of connective tissue?
Presence of a basement membrane
What is the main component of the ground substance in connective tissue?
Macromolecules
What is the function of fibroblasts in connective tissue?
To synthesize the fibers of connective tissue
Which of the following is a type of malignant tumor that originates from connective tissue?
Sarcoma
What is the primary role of the interstitial fluid in connective tissue?
To transport nutrients and waste
What is the function of reticular fibers in the body?
Serve as a scaffolding to cells or cell groups
Which cells synthesize reticular fibers?
Reticular cells
What is the composition of ground substance in connective tissue?
Glycosaminoglycans (GAGs)
What is the key property of Glycosaminoglycans (GAGs) in connective tissue?
Enable binding of water
What is the function of adipose connective tissue?
Store energy
What role do lymphatics play in connective tissue?
Aid in fluid movement and prevent edema
Which type of collagen is the most abundant in the body?
Type 1
What is the function of Type 3 collagen in the body?
Found in the stroma of expandable organs
What color do collagen fibers typically stain with HE (Hematoxylin and Eosin) staining?
Pink
Which protein represents 30% of the body's dry weight in humans?
Collagen
Where can elastic fibers be predominantly found in the body?
Aorta and elastic arteries
Which vitamin is mentioned as an important cofactor in collagen synthesis?
Vitamin C
What is the primary role of fibroblasts in connective tissue?
To synthesize the fibers of the connective tissue
Which type of collagen is considered the most abundant in the human body?
Type I collagen
What is the primary function of the interstitial (tissue) fluid in connective tissue?
To provide nutrients and oxygen to the cells
What is the main component of the ground substance in connective tissue?
Glycosaminoglycans (GAGs)
Which of the following is a characteristic of connective tissue?
The cells lack a basement membrane
What type of malignant tumor originates from connective tissue?
Sarcoma
What is the primary function of reticular cells in parenchymatous organs?
To provide structural support and scaffolding for the specialized epithelial cells
What is the main difference between multilocular and unilocular adipocytes?
Multilocular adipocytes are found in brown adipose tissue, while unilocular adipocytes are found in white adipose tissue
What is the primary role of mast cells in connective tissue?
To trigger inflammatory and allergic reactions by releasing chemical mediators like histamine
Which type of white blood cell is not considered a resident cell in connective tissue?
Lymphocyte
What is the primary function of Kupffer cells in the liver?
To phagocytose and destroy foreign pathogens and cellular debris
What is the main function of the interstitial fluid in connective tissue?
To facilitate the movement of immune cells and transport of waste products
What is the main characteristic of collagen fibers in connective tissue?
They are the most abundant fibers in connective tissue and give it a white color
Which cell type is primarily responsible for synthesizing collagen in the body?
Osteoblasts
What is the key property of elastic fibers in connective tissue?
They can stretch up to 2.5 times their original length and then recoil
Which type of collagen is the most abundant in the human body?
Type 1 collagen
What is the primary function of reticular fibers in connective tissue?
To form a branching network in the stroma of expandable organs
What is the primary role of vitamin C in the context of connective tissue?
To act as an important cofactor in collagen synthesis
What is the primary function of the reticular fibers in connective tissue?
To provide structural support and scaffolding for cells and tissues
Which of the following cells is responsible for the synthesis of reticular fibers?
Reticular cells, liver cells, smooth muscle cells, and skeletal muscle cells
What is the primary role of the interstitial fluid in connective tissue?
To provide nutrients and oxygen to the cells
What is the main component of the ground substance in connective tissue?
Glycosaminoglycans (GAGs)
What is the function of the adipose connective tissue?
To store energy in the form of fat
What is the key property of glycosaminoglycans (GAGs) in connective tissue?
They allow for binding of water, resisting compressive forces, cell adhesion to fibers, cell migration, and act as a barrier to bacterial and venom penetration
Learn about the characteristics, functions, and components of connective tissue in this lecture by Dr. Matthew Valentine BVMS MRCVS PhD Dipl ACVP. Explore the classification and definition of connective tissue, its role in supporting epithelia, and its complex extracellular matrix.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
