Chapter 3 Review Flashcards
What is tissue?
Group of cells similar in form and perform related functions
Endocrine glands vs. exocrine glands
Endo: no ducts; releases chemical signals into blood stream
Exo: ducts; secrete substances thru ducts–>skin/exterior of body
Functions of epithelial
Filters
Absorbs
Protects
Secretes
Functions of connective
Protection
Support
Binding
(PBS connects kids)
Characteristics of epithelial (5)
Cells are close together Apical surface Basement membrane Avascular Regeneration
Characteristics of connective (3)
Vascular
Extra cellular matrix
Variation of fibers
Main function of muscular tissue
To contract or shorten to produce movement
Main function of nervous tissue
Send and receive electrochemical signals
Skeletal tissue: action? Striated? Nucleus?
Voluntary
Striated
Multi-nucleus
Cardiac: action? Striated? Nucleus?
Involuntary
Striated
Single nucleus
Smooth: action? Striated? Nucleus?
Involuntary
Not striated
Single nucleus
Supporting nerve cells called…?
Neuroglia
Nerve cells are called…?
Sensory neurons
Inflammation; signs?
Body’s initial response to injury
Redness, swelling, pain, heat
Vasodilation?
Widening or opening of blood vessels which leads to redness and heat
Histamine
Chemical compound released by mast cells which leads to vasodilation
Steps of tissue repair
Removal of toxins/waste
Clotting or coagulation to reduce blood loss
Scab forms
Pus formulates in wound
Angiogenesis–>granulation tissue
Clot retracts and dissolves, pulling wound together
Pale scar is visible