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Clarke-Basic Tissues Part 2
Basic Tissues Part 2
62
Anatomy
Professional
10/22/2012

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Term
What is the fluid connective tissue?
Definition
blood
Term
What does blood transport?
Definition
cellular nutrients
Term
What are the two components of blood?
Definition
plasma and cells
Term
What is plasma?
Definition
the fluid component of blood, similar to interstitial fluid and lymph
Term
Where do blood cells come form?
Definition
come form a common stem cell in bone marrow
Term
What types of blood cells are there?
Definition
red, white, platelets
Term
What is another term for red blood cells?
Definition
erythrocyte
Term
What is the most common cell in blood?
Definition
red blood cells
Term
What shape are red blood cells?
Definition
disc shaped
Term
Do red blood cells have nucleus? Can they reproduce?
Definition
no, they cannot reproduce
Term
What do red blood cells contain? What does it do?
Definition
hemoglobin, binds and transports oxygen and carbon dioxide
Term
What is the lifespan of red blood cells?
Definition
120 days
Term
What is another name for platelets?
Definition
thrombocytes
Term
What shape are platelets?
Definition
disc shaped
Term
Do plateles have a nucleus? What are they formed from?
Definition
no, formed from fragments of a megakartocyte
Term
What is the main function of platelets?
Definition
clotting
Term
What is the lifespan of platelets?
Definition
10 days
Term
What is another name for white blood cells?
Definition
leukocytes
Term
What do white blood cells form from?
Definition
stem cell in bone marrow
Term
Where do white blood cells mature?
Definition
in the bone marrow or lymphatic tissue
Term
What makes up white blood cells? Are they capable of movement?
Definition
have a nucleus and cytoplasm, are capable of movement
Term
Which type of blood cells are involved in defense mechanisms?
Definition
White blood cells
Term
What are the 5 types of leukocytes?
Definition
1.Neutrophil or polymorphonuclear Leukocyte(PMN)
2.Lymphocytes
3.Monocyte/Macrophage
4.Eosinophil
5.Basophils and mast cells
Term
What is the most common type of white blood cell?
Definition
Neutrophil or polymorphonuclear Leukocyte(PMN) (60-70%)
Term
What is the first white blood cell to the site after an injury?
Definition
Neutrophil or polymorphonuclear Leukocyte(PMN)
Term
How long do Neutrophil or polymorphonuclear Leukocyte(PMN)live?
Definition
about 3 days
Term
What is the second most common white blood cell? How much does this account for?
Definition
Lymphocytes. 20-25%
Term
Which type of white blood cell is involved in immune response?
Definition
lymphocytes
Term
How much percentage of WBC are monocytes/macrophages?
Definition
3-7%
Term
Do monocytes/macrophages have a longer or shorter lifespane than PMN?
Definition
longer
Term
What is eosinophil involved in?
Definition
allergies and parasites
Term
What are basophils and mast cells involved in?
Definition
allergies
Term
What is muscle tissue derived from?
Definition
somites
Term
What are muscle tissues specialized in?
Definition
contraction, causing movement
Term
How are muscle tissues classified?
Definition
according to structure and function
Term
What are the two variants in functionally?
Definition
voluntary or involuntary
Term
What are the two variants in structurally?
Definition
striated or smooth
Term
What are the three types of muscles?
Definition
skeletal, smooth, cardiac
Term
Is skeletal muscle voluntary or involuntary? Straited or smooth?
Definition
striated, voluntary
Term
What are skeletale muscles comprised of?
Definition
numerous muscle bundles, made up of thousands of individual muscle cells called myofibers
Term
How long is each myofiber? What are they composed of?
Definition
extend the entire length of the muscle, composed of myofilaments
Term
How many nuclei is slepetal muscle composed of?
Definition
hundreds
Term
What is smooth muscle like?
Definition
involuntary, smooth
Term
What is cardiac muscle like?
Definition
involuntary, striated
Term
How is cardiac muscle different from skeletal muscle?
Definition
have only 1 or 2 nuclei per cell
Term
What are intercalated discs?
Definition
branched cells specalized intracellular connections called intercalated disc
Term
What are the special cells that help regulate heart beat?
Definition
Purkinje's fibers
Term
What is the function of nerve tissues?
Definition
function to carry messages
Term
What controls your perceptions of sesations?
Definition
nerves
Term
What do nerves do to muslces?
Definition
cause them to contract
Term
What do nerves do to glands?
Definition
stimulate them to secrete
Term
What body systems do nerves regulate?
Definition
cardiovascular, endocrine, etc
Term
What are neurons?
Definition
cellular component of the nervous system
Term
What are the three portions of neurons?
Definition
1.cell body
2.axon
3.dendrite
Term
What is the function of the cell body?
Definition
provides metabolic support
Term
What is the function of the axon?
Definition
conducts impulses away from cell body
Term
What is the function of the dendrite?
Definition
receives impulses and conducts them toward the cell body
Term
What is a nerve?
Definition
a bundle of neural processes outside of the CNS
Term
What is a synapse?
Definition
junction between 2 neurons or between a neuron and a gland or muscle
Term
What are the two types of nerves?
Definition
1.Afferent(sensory)
2.Efferent(motor)
Term
What do afferent(sensory) nerves do?
Definition
nerves carries impulses from the body to brain
Term
What do efferent(motor) nerves do?
Definition
nerves carries information from the brain to the body
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