Podcast
Questions and Answers
Where is the Loose Connective Tissue Aerolar found?
Where is the Loose Connective Tissue Aerolar found?
- Beneath all epithelia, between muscles, passageways for nerves and blood vessels (correct)
- Within the brain and spinal cord
- Within the bone marrow
- Around major organs such as the heart and liver
What is the main function of White Adipose Tissue?
What is the main function of White Adipose Tissue?
- Regulation of metabolism
- Long term energy storage (correct)
- Production of red blood cells
- Heat production in newborns
How is adipose tissue predominantly composed?
How is adipose tissue predominantly composed?
- Mainly of collagen fibers
- Adipocytes occur individually or in small clumps in many other connective tissues (correct)
- Extracellular matrix proteins
- Primarily of blood vessels
What is the function of Brown Adipose Tissue?
What is the function of Brown Adipose Tissue?
What causes the lipid to appear black when preserved and stained with osmium tetroxide?
What causes the lipid to appear black when preserved and stained with osmium tetroxide?
What is the primary source of dietary fats brought to adipocytes?
What is the primary source of dietary fats brought to adipocytes?
What initiates heat production by stimulation of adipocytes in hibernating animals and newborn humans?
What initiates heat production by stimulation of adipocytes in hibernating animals and newborn humans?
Where is brown adipose tissue mainly concentrated in newborns?
Where is brown adipose tissue mainly concentrated in newborns?
"What is the percentage of body weight that white adipose tissue constitutes in men?"
"What is the percentage of body weight that white adipose tissue constitutes in men?"
What is the primary function of brown adipocytes?
What is the primary function of brown adipocytes?
What is the role of UCP1 in brown adipocytes?
What is the role of UCP1 in brown adipocytes?
Where are reticular fibers mainly found?
Where are reticular fibers mainly found?
Which type of connective tissue has collagen fibers arranged parallel to each other?
Which type of connective tissue has collagen fibers arranged parallel to each other?
Which connective tissue is densely packed with seemingly randomly arranged collagen fibers?
Which connective tissue is densely packed with seemingly randomly arranged collagen fibers?
What is the primary function of elastic connective tissue?
What is the primary function of elastic connective tissue?
What type of cells produce reticular fibers?
What type of cells produce reticular fibers?
What enables protons to flow across the inner mitochondrial membrane in brown adipocytes?
What enables protons to flow across the inner mitochondrial membrane in brown adipocytes?
In which type of connective tissue are fibroblasts referred to as tendinocytes?
In which type of connective tissue are fibroblasts referred to as tendinocytes?
Which type of connective tissue is found in the walls of large arteries, trachea, and vocal cords?
Which type of connective tissue is found in the walls of large arteries, trachea, and vocal cords?
What is the primary function of adipose tissue?
What is the primary function of adipose tissue?
Where is brown adipose tissue predominantly concentrated in newborns?
Where is brown adipose tissue predominantly concentrated in newborns?
What is the primary function of white adipose tissue?
What is the primary function of white adipose tissue?
What initiates heat production by stimulation of adipocytes in hibernating animals and newborn humans?
What initiates heat production by stimulation of adipocytes in hibernating animals and newborn humans?
(In) White adipose tissue, where are other organelles located within the adipocytes?
(In) White adipose tissue, where are other organelles located within the adipocytes?
What is the primary function of Brown Adipose Tissue?
What is the primary function of Brown Adipose Tissue?
What enables protons to flow across the inner mitochondrial membrane in brown adipocytes?
What enables protons to flow across the inner mitochondrial membrane in brown adipocytes?
Which type of connective tissue is found in the walls of large arteries, trachea, and vocal cords?
Which type of connective tissue is found in the walls of large arteries, trachea, and vocal cords?
What causes the lipid to appear black when preserved and stained with osmium tetroxide?
What causes the lipid to appear black when preserved and stained with osmium tetroxide?
What is the role of UCP1 in brown adipocytes?
What is the role of UCP1 in brown adipocytes?
What is the primary function of elastic connective tissue?
What is the primary function of elastic connective tissue?
What type of cells produce reticular fibers?
What type of cells produce reticular fibers?
What is the primary function of brown adipose tissue?
What is the primary function of brown adipose tissue?
What is the primary function of white adipose tissue?
What is the primary function of white adipose tissue?
What enables protons to flow across the inner mitochondrial membrane in brown adipocytes?
What enables protons to flow across the inner mitochondrial membrane in brown adipocytes?
Where is brown adipose tissue mainly concentrated in newborns?
Where is brown adipose tissue mainly concentrated in newborns?
What causes the lipid to appear black when preserved and stained with osmium tetroxide?
What causes the lipid to appear black when preserved and stained with osmium tetroxide?
(In) White adipose tissue, where are other organelles located within the adipocytes?
(In) White adipose tissue, where are other organelles located within the adipocytes?
What type of cells produce reticular fibers?
What type of cells produce reticular fibers?
(In) White adipose tissue, where is adipose predominantly composed?
(In) White adipose tissue, where is adipose predominantly composed?
(In) Loose Connective Tissue Aerolar, where is it found?
(In) Loose Connective Tissue Aerolar, where is it found?
(In) Adipose tissue, what is the role of VLDL (very low density lipoprotein)?
(In) Adipose tissue, what is the role of VLDL (very low density lipoprotein)?
What is the primary function of brown adipocytes?
What is the primary function of brown adipocytes?
What is the role of UCP1 in brown adipocytes?
What is the role of UCP1 in brown adipocytes?
Where is brown adipose tissue predominantly concentrated in newborns?
Where is brown adipose tissue predominantly concentrated in newborns?
What initiates heat production by stimulation of adipocytes in hibernating animals and newborn humans?
What initiates heat production by stimulation of adipocytes in hibernating animals and newborn humans?
What is the primary function of elastic connective tissue?
What is the primary function of elastic connective tissue?
Where are reticular fibers mainly found?
Where are reticular fibers mainly found?
Which type of connective tissue is found in the walls of large arteries, trachea, and vocal cords?
Which type of connective tissue is found in the walls of large arteries, trachea, and vocal cords?
"What causes the lipid to appear black when preserved and stained with osmium tetroxide?"
"What causes the lipid to appear black when preserved and stained with osmium tetroxide?"
"What is the source of dietary fats brought to adipocytes?"
"What is the source of dietary fats brought to adipocytes?"
What is the function of brown adipose tissue?
What is the function of brown adipose tissue?
Where is connective tissue aerolar found?
Where is connective tissue aerolar found?
What causes the lipid to appear black when preserved and stained with osmium tetroxide?
What causes the lipid to appear black when preserved and stained with osmium tetroxide?
What is the primary function of white adipose tissue?
What is the primary function of white adipose tissue?
Where are reticular fibers mainly found?
Where are reticular fibers mainly found?
(In) White adipose tissue, where are other organelles located within the adipocytes?
(In) White adipose tissue, where are other organelles located within the adipocytes?
What is the primary role of uncoupling protein 1 (UCP1) in brown adipocytes?
What is the primary role of uncoupling protein 1 (UCP1) in brown adipocytes?
What type of connective tissue is densely packed with seemingly randomly arranged collagen fibers?
What type of connective tissue is densely packed with seemingly randomly arranged collagen fibers?
Where is reticular connective tissue mainly found?
Where is reticular connective tissue mainly found?
What is the main function of elastic connective tissue?
What is the main function of elastic connective tissue?
Where is dense regular connective tissue typically found?
Where is dense regular connective tissue typically found?
What enables protons to flow across the inner mitochondrial membrane in brown adipocytes?
What enables protons to flow across the inner mitochondrial membrane in brown adipocytes?
What initiates heat production by stimulation of brown adipocytes in hibernating animals and newborn humans?
What initiates heat production by stimulation of brown adipocytes in hibernating animals and newborn humans?
What do reticular fibers found in reticular connective tissue stain with?
What do reticular fibers found in reticular connective tissue stain with?
Which type of adipose tissue has a reduced capacity for thermostasis in newborns?
Which type of adipose tissue has a reduced capacity for thermostasis in newborns?
What is the function of dense irregular connective tissue?
What is the function of dense irregular connective tissue?
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Study Notes
Connective Tissue
- Loose Connective Tissue Areolar is found beneath epithelia, around blood vessels, and in the nervous tissue.
- Reticular fibers are mainly found in reticular connective tissue, which stains with silver.
- Reticular fibers are produced by fibroblasts.
- Reticular connective tissue is mainly found in the liver, spleen, and lymph nodes.
Adipose Tissue
- White Adipose Tissue constitutes around 20% of body weight in men.
- White Adipose Tissue is primarily composed of unilocular adipocytes with a large central lipid droplet, surrounded by a thin layer of cytoplasm with few organelles.
- The primary function of White Adipose Tissue is to store energy in the form of lipids.
- The primary source of dietary fats brought to adipocytes is chylomicrons and VLDL (Very Low-Density Lipoprotein).
Brown Adipose Tissue
- Brown Adipose Tissue is mainly concentrated in the interscapular region of newborns.
- The primary function of Brown Adipose Tissue is to produce heat by non-shivering thermogenesis.
- Uncoupling Protein 1 (UCP1) enables protons to flow across the inner mitochondrial membrane in brown adipocytes, producing heat.
- Norepinephrine initiates heat production by stimulating brown adipocytes in hibernating animals and newborn humans.
Staining and Structure
- Lipid appears black when preserved and stained with osmium tetroxide due to the high electron density of osmium.
- Dense Regular Connective Tissue is typically found in tendons and ligaments, and has collagen fibers arranged parallel to each other.
- Dense Irregular Connective Tissue is found in the walls of large arteries, trachea, and vocal cords, and has seemingly randomly arranged collagen fibers.
- Elastic Connective Tissue has the primary function of allowing for stretch and recoil in tissues such as skin, lungs, and arteries.
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