Connective Tissue Flashcards
Rheumatoid arthritis
immune cells attack and membrane around joints. Also the heart, lungs, and eyes. 71 percent are women
What is systemic lupus erythematous?
Inflammation of the connective tissues of organs. 9 X more commone in women- black women 3x more than white women. Aggravated by sunlight.
What are the functions of the skeletal system?
Support Protection Movement Hemopoiesis Mineral storage Balance and equilibrium
What is the definition of scleroderma?
immune cells that produce scar tissue in the skin, internal organs, and blood vessels. Women 3x more than men. 15x greater for women during childbearing years, more common among black women.
What does the following describe? Flat cells(most common) present in all connective tissue synthesizes extracellular matrix and colllagen has role in wound healing
Fibroblasts
What connective tissue cell does the following describe? Greek for big eaters engulf pathogens remove cellular debris immune system
Macrophanges
What are the steps of a macrophage ingesting a pathogen?
a. ingestion of pathogen
b. the pathogen is broken down by enzymes
c. waste materials is expelled
The following describes which connective tissue cell?
WBC that secrete antibodies and protein
Originate in bone marrow
Plasma cells
The following describes which connective tissue cells:
Triglyceride storage
white cells contain large lipid droplet surrounded by cytoplasm
Brown cells- large volume of cytoplasm w/scattered lipid drops(baby fat)
Adipocytes
An increase in volume or size is
Hypertrophy
An increase in number is
Hyperplasia
The following describes which connective tissues
Contain histamine and herapin
Part of the immune system
Mast cells
Adipocytes proliferate in which three stages?
1) Last trimester
2) 1st year of life
3 in adolescence
Adults who are leaner as children will have fewer/more fat cells to expand?
Fewer
When adults gain weight what happens?
Fat cells grow
These cells migrate from blood to connective tissue in response to infection or parasites
White blood cells
What does the following describe?
gel-like, non cellular components of extracellular matrix which contain fibers
Ground substance
General features of extracellular matrix
Protein fibers
ground substance
secreted by connective tissue cells
in cartilage this is pliable and in bone it is hard.
What three types of fibers are embedded in extracellular matrix?
Colllagen
Elastic fibers
Reticular fibers
Most abundant protein in extracellular matrix; parallel fibers
Collagen
These fibers embedded in extracellular matrix can stretch 150%; skin vessel, lungs
Elastic fibers
These fibers in extracellular matrix are net like. Form framework for organs.
Reticular fibers
This is derived from mesoderm-irregularly shaped cells found in jelly-like matrix
Stem cell
Name the five types of connective tissue classification
- Loose connective tissue
- Dense connective tissue
- Cartilage
- Bone
- Blood
Where is areolar connective tissue located?
Subcutaneous skin, around nerves, vessels, organs
What are the three types of loose connective tissues?
Areolar
Adipose
Reticular
What does reticular connective tissue provide?
Framework for organs
What are the three types of dense connective tissue?
Dense regular
Dense irregular
Elastic
Where is dense regular connective tissue located?
Tendons and ligaments
Where is dense irregular connective tissue located?
Dermis, organ capsules, muscle fascia, periosteum.
Where is elastic dense connective tissue located?
Lungs, arteries, penis, vocal cords.
What is the most abundant type of cartilage?
Hyaline
Where is fibrocartilage located?
Symphysis pubis, menisci, intervertebral disc
What is referred to as yellow cartilage?
Elastic cartilage.
What is scleroderma?
immune cells that produce scar tissue in the skin, internal organs, and blood vessels. Women 3x more than men, 15x greater for women during childbearing years, more common among black women.
