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Study sets matching "chapter 4 smooth and cardiac muscle"

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Study sets matching "chapter 4 smooth and cardiac muscle"

15 terms
4. Cardiac and smooth muscle
The structure of cardiac muscle
How does cardiac muscle work?
What are the characteristics of cardia…
The force of contraction of cardiac mu…
Cells are 10-20uM in diameter, and 50-100um long.... Cardiac myo…
An action potential, generated in the SA node, travels throug…
Cardiac action potentials differ in shape in different region…
The force of contraction depends on the degree of stretch of…
The structure of cardiac muscle
Cells are 10-20uM in diameter, and 50-100um long.... Cardiac myo…
How does cardiac muscle work?
An action potential, generated in the SA node, travels throug…
33 terms
4. Cardiac and Smooth Muscle
What is the tunica intima?
What are the components of the tunica…
What are the components of the tunica…
What are the 3 layers of the heart?
A layer of endothelium cells in a blood vessel facing the lum…
1. smooth muscle cells producing elastic, reticular, and coll…
1. Loose connective tissue... 2. Blood vessels (vasa vasorum)... 3.…
1. endocardium... 2. myocardium... 3. epicardium
What is the tunica intima?
A layer of endothelium cells in a blood vessel facing the lum…
What are the components of the tunica…
1. smooth muscle cells producing elastic, reticular, and coll…
19 terms
Skeletal, Cardiac, and Smooth Muscle
What does skeletal muscle look like?
What does cardiac muscle look like?
What does smooth muscle look like?
Where is skeletal muscle located?
long cylindrical fiber with many peripherally located nuclei,…
Branched cylindrical fiber with one centrally located nucleus…
Fiber thickest in middle, tapered at each end, with one centr…
Attached by tendons to bone
What does skeletal muscle look like?
long cylindrical fiber with many peripherally located nuclei,…
What does cardiac muscle look like?
Branched cylindrical fiber with one centrally located nucleus…
58 terms
Cardiac Muscle & Smooth Muscle
Skeletal Muscle
Cardiac Muscle
Smooth Muscle
Cardiac Muscle
What type of muscle is this?
What type of muscle is this?
What type of muscle is this?
-have 1-2 nuclei centrally located... -are striated and use slid…
Skeletal Muscle
What type of muscle is this?
Cardiac Muscle
What type of muscle is this?
33 terms
Exam 4 Cardiac and Smooth Muscle
Cardiac, Smooth
Cardiac
Cardiac, Skeletal
Smooth
What two types of muscles are involuntary?
These muscles are only found in the heart.
What two types of muscles are striated?
What type of muscle is nonstriated?
Cardiac, Smooth
What two types of muscles are involuntary?
Cardiac
These muscles are only found in the heart.
22 terms
chapter 10- smooth and cardiac muscle
excitability... conduction
(visceral) single-unit smooth muscles
gap junctions
small arteries, veins, intestines, ute…
smooth muscle is classified into 2 groups based on ______ of…
SOCIAL muscles because the membranes are capable to propagati…
muscle fibers are connected by ___ _____ so electrical signal…
most common single-unit smooth muscles are found here
excitability... conduction
smooth muscle is classified into 2 groups based on ______ of…
(visceral) single-unit smooth muscles
SOCIAL muscles because the membranes are capable to propagati…
20 terms
Chapter 10 Cardiac and Smooth Muscle
Cardiac Muscles are similar to skeleta…
How does Cardiac muscle's structure di…
Intercalated discs contain
Gap Junction
myofibrils and sacromeres
Their cells are short, branched, and connect to each other
Gap Junctions and Interconnections
tiny pores that allow for rapid spread of electrical signals…
Cardiac Muscles are similar to skeleta…
myofibrils and sacromeres
How does Cardiac muscle's structure di…
Their cells are short, branched, and connect to each other
33 terms
Cardiac and Smooth muscle
They have gap junctions which transmit…
Connexins
By increasing the amount of Ca2+ influx.
From the extracellular space.
How do cardiac muscle cells share transmission of impulse bet…
What are gap junction made of?
How can cardiac cells increase the force of contraction?
The sarcoplasmic reticulum is small in cardiac muscle. Where…
They have gap junctions which transmit…
How do cardiac muscle cells share transmission of impulse bet…
Connexins
What are gap junction made of?
9 terms
Skeletal, Smooth, Cardiac Muscles
skeletal
skeletal
striations
Smooth muscle
What type of muscle?
What type of muscle?
What are the stripes?
What muscle?
skeletal
What type of muscle?
skeletal
What type of muscle?
27 terms
Chapter 9: Cardiac and Smooth Muscle
Is smooth muscle striated?
What are the cells of smooth muscle?
Caveolae
What do smooth muscle have instead of…
No, fibers are smaller than those in skeletal muscle
Spindle shaped, single, central nucelus
Indentations in sarcolemma; may act like T tubules
Dense bodies, non-contractile intermediate filaments
Is smooth muscle striated?
No, fibers are smaller than those in skeletal muscle
What are the cells of smooth muscle?
Spindle shaped, single, central nucelus
31 terms
Cardiac, smooth and skeletal muscle
Skeletal muscle
Cardiac muscle
Smooth muscle
Cardiac muscle fibres
- attached to the skeleton ... - contraction for force, movement…
- heart muscle ... - arranged to form four chambers ... - contracts…
- found in walls of blood vessels, airways and gut... - controls…
- small and with a single, central nucleus... - striated and the…
Skeletal muscle
- attached to the skeleton ... - contraction for force, movement…
Cardiac muscle
- heart muscle ... - arranged to form four chambers ... - contracts…
Chapter 12: cardiac and smooth muscles
cardiac and smooth muscles are
cardiac and smooth muscles are regulat…
like skeletal muscle, contraction is d…
cardiac muscle is
-involuntary
autonomic nervous system
myosin/actin cross bridges
started
cardiac and smooth muscles are
-involuntary
cardiac and smooth muscles are regulat…
autonomic nervous system
18 terms
Cardiac, Smooth & Cardiac Muscles
multi
uni
uni
striated
skeletal muscle nucleus
cardiac muscle nucleus
smooth muscle nucleus
skeletal muscle striations
multi
skeletal muscle nucleus
uni
cardiac muscle nucleus
14 terms
Cardiac and Smooth Muscle
cardiac muscle
intercalated disc
transverse
longitudinal
--single, central nucleus ... --branched muscle fibers attache…
where adjacent cardiac fibers meet/attach (dark stained line)
Cardiac Muscle ... Intercalated disc's Intercellular Junctions
Cardiac Muscle ... Intercalated disc's Intercellular Junctions :…
cardiac muscle
--single, central nucleus ... --branched muscle fibers attache…
intercalated disc
where adjacent cardiac fibers meet/attach (dark stained line)
14 terms
Cardiac and Smooth Muscle
cardiac muscle
intercalated disc
transverse
longitudinal
--single, central nucleus ... --branched muscle fibers attache…
where adjacent cardiac fibers meet/attach (dark stained line)
Cardiac Muscle ... Intercalated disc's Intercellular Junctions :…
Cardiac Muscle ... Intercalated disc's Intercellular Junctions :…
cardiac muscle
--single, central nucleus ... --branched muscle fibers attache…
intercalated disc
where adjacent cardiac fibers meet/attach (dark stained line)
28 terms
Smooth and Cardiac Muscle
Cardiac Muscle
Labelled Sacromere
Intercalated discs
Cardiac Myocytes form...
Involuntary... Myogenic... Long thin Myofibrils that cntract as sac…
Connect adjoining cadiac myocytes together... Contain Desmosome…
electrical/functional syncytium
Cardiac Muscle
Involuntary... Myogenic... Long thin Myofibrils that cntract as sac…
Labelled Sacromere
25 terms
Cardiac Muscle and Smooth Muscle
What does cardiac muscle make up?
How are skeletal muscle and cardiac mu…
How are cardiac muscle and skeletal mu…
Intercalated disks
The walls of the heart's chambers
Thick and thin filaments arranged into sarcomeres, sliding fi…
Cardiac cells are smaller, connect to each other and connect…
Mechanical connection, electrical connection via gap junction…
What does cardiac muscle make up?
The walls of the heart's chambers
How are skeletal muscle and cardiac mu…
Thick and thin filaments arranged into sarcomeres, sliding fi…
19 terms
Smooth and Cardiac Muscle
Smooth Muscle
Properties of Smooth Muscle
Smooth Muscle Contraction
Steps of Excitation-Contraction Coupling
Found in internal organs, blood vessels... Under involuntary con…
Spindle-shaped... Small, approximately 1/10 skeletal... No striatio…
Diagonal organization of actin/myosin (gets wider and shorter…
1-Opening of calcium channels in plasma membrane... -Voltage... -…
Smooth Muscle
Found in internal organs, blood vessels... Under involuntary con…
Properties of Smooth Muscle
Spindle-shaped... Small, approximately 1/10 skeletal... No striatio…
Cardiac and Smooth Muscle
cardiac muscle
intercalated disc
transverse
longitudinal
--single, central nucleus ... --branched muscle fibers attache…
where adjacent cardiac fibers meet/attach (dark stained line)
Cardiac Muscle ... Intercalated disc's Intercellular Junctions :…
Cardiac Muscle ... Intercalated disc's Intercellular Junctions :…
cardiac muscle
--single, central nucleus ... --branched muscle fibers attache…
intercalated disc
where adjacent cardiac fibers meet/attach (dark stained line)
19 terms
Cardiac and Smooth Muscle
Cardiac muscle
Smooth muscle
Sarcomere
Sarcolemma
-occurs only in heart... -branching chains of cells... -uni or bi-n…
-found in walls of hollow organs... -consists of small elongated…
functional unit of the myofibril
-plasma membrane of muscle fiber... -invaginations of this membr…
Cardiac muscle
-occurs only in heart... -branching chains of cells... -uni or bi-n…
Smooth muscle
-found in walls of hollow organs... -consists of small elongated…
53 terms
Cardiac and Smooth Muscle
Single Skeletal Muscle Cell consists o…
what is the membrane of a single skele…
T tubules
myofibrils
a single skeletal muscle fiber consists of multiple myofibril…
sarcolemma
invaginations of the sarcolemma that allows the AP to go into…
bundles covered by sarcoplasmic reticulum. have special relat…
Single Skeletal Muscle Cell consists o…
a single skeletal muscle fiber consists of multiple myofibril…
what is the membrane of a single skele…
sarcolemma
37 terms
Skeletal, Cardiac, and Smooth Muscle
Regardless of muscle type, ______ trig…
Increase in intracellular calcium can…
Skeletal muscle organization
Cardiac muscle organization
Rise in intracellular calcium... - may come from intra- and e…
Skeletal - neural only... Cardiac and Smooth - Neural and chemi…
muscle -> fascicle -> muscle fiber -> myofibril -> myofilamen…
Striated, branched.... All muscles of the heart beat as one in a…
Regardless of muscle type, ______ trig…
Rise in intracellular calcium... - may come from intra- and e…
Increase in intracellular calcium can…
Skeletal - neural only... Cardiac and Smooth - Neural and chemi…
33 terms
Cardiac and Smooth muscle
They have gap junctions which transmit…
Connexins
By increasing the amount of Ca2+ influx.
From the extracellular space.
How do cardiac muscle cells share transmission of impulse bet…
What are gap junction made of?
How can cardiac cells increase the force of contraction?
The sarcoplasmic reticulum is small in cardiac muscle. Where…
They have gap junctions which transmit…
How do cardiac muscle cells share transmission of impulse bet…
Connexins
What are gap junction made of?
50 terms
Chapter 12: Muscle-Cardiac and Smooth Muscles
autonomic nervous system
Efferent
myosin/actin cross bridges stimulated…
Yes
Cardiac and smooth muscles are regulated by the...
Is the autonomic nervous system efferent or afferent?
Like skeletal muscle, cardiac and smooth muscle contraction i…
Is cardiac muscle striated?
autonomic nervous system
Cardiac and smooth muscles are regulated by the...
Efferent
Is the autonomic nervous system efferent or afferent?
9 terms
skeletal muscle/smooth muscle/cardiac muscle slides
striations
nuclei
fasciculi
perimysium
a bands are dark i bands are light
dots
with in the enclosed circles
white area around the fasciculi
striations
a bands are dark i bands are light
nuclei
dots
14 terms
Skeletal, smooth, and cardiac muscle
voluntary
involuntary
has striations
aerobic respiration
skeletal
smooth and cardiac
skeletal and cardiac
cardiac
voluntary
skeletal
involuntary
smooth and cardiac
33 terms
Cardiac and Smooth muscle
They have gap junctions which transmit…
Connexins
By increasing the amount of Ca2+ influx.
From the extracellular space.
How do cardiac muscle cells share transmission of impulse bet…
What are gap junction made of?
How can cardiac cells increase the force of contraction?
The sarcoplasmic reticulum is small in cardiac muscle. Where…
They have gap junctions which transmit…
How do cardiac muscle cells share transmission of impulse bet…
Connexins
What are gap junction made of?
21 terms
Cardiac and Smooth Muscle
Characteristics of Cardiac Muscle
Intercalated Disks
Cardiac Muscle (Picture)
Contraction of cardiac muscle
Smaller than skeletal muscle, single central nucleus, striate…
Sections of cardiac muscle that allows the cell to trasnmit e…
Involuntary, sequence contraction (one contracts others contr…
Characteristics of Cardiac Muscle
Smaller than skeletal muscle, single central nucleus, striate…
Intercalated Disks
Sections of cardiac muscle that allows the cell to trasnmit e…
79 terms
Cardiac and Smooth Muscle
sarcolemma
sarcoplasm
sarcoplasmic reticulum
cardiac muscle cell
plasma membrane of a muscle cell
cytoplasm of a muscle cell
ER of a muscle cell
-15um in diameter... -cross-striated... -covered by a sheath of end…
sarcolemma
plasma membrane of a muscle cell
sarcoplasm
cytoplasm of a muscle cell
26 terms
Smooth and Cardiac Muscle Contraction
multi-unit smooth muscle
unitary (syncytial or visceral) smooth…
gap junctions
difference between smooth and skeletal…
individual muscle fibers contract independently, controlled b…
individual fibers mechanically linked together in a sheet, co…
provide electrotonic coupling between adjacent fibers
-smooth muscle contains no troponin... -ATPase activity much low…
multi-unit smooth muscle
individual muscle fibers contract independently, controlled b…
unitary (syncytial or visceral) smooth…
individual fibers mechanically linked together in a sheet, co…
63 terms
Cardiac and Smooth muscle
Cardiac vs skeletal muscle
Cardiac muscle acts as a mechanical an…
A similarity between cardiac and skele…
Syncytium
- shorter... - branched... - Intercalated disks... - desmosomes... - Gap…
Syncytium
striations of actin and myosin
a multinucleated cell that can result from multiple cell fusi…
Cardiac vs skeletal muscle
- shorter... - branched... - Intercalated disks... - desmosomes... - Gap…
Cardiac muscle acts as a mechanical an…
Syncytium
42 terms
Smooth and Cardiac Muscle
Describe the shape of smooth muscle ce…
what is the difference in banding in t…
What is the difference in t-tubules in…
What is the difference in cellular jun…
Spindle shaped- Wide in the middle and tapered at both ends.…
distinct actin and myosin bands for skeletal and cardiac, no…
Skeletal - At A-I junction triads... Cardiac- At Z-disk diads... Sm…
Skeletal - NOne... Smooth - Gap junctions... Cardiac - Gap junction…
Describe the shape of smooth muscle ce…
Spindle shaped- Wide in the middle and tapered at both ends.…
what is the difference in banding in t…
distinct actin and myosin bands for skeletal and cardiac, no…
13 terms
Cardiac Muscle and Smooth Muscle
Striated
Myocotes are short, thick uninucleate…
Electric gap junctions allow each myoc…
Mechanical junctions keep myocytes fro…
Cardiac muscle
Cardiac muscle
Cardiac muscle
Cardiac muscle
Striated
Cardiac muscle
Myocotes are short, thick uninucleate…
Cardiac muscle
9 terms
4.3 Skeletal, Smooth, and Cardiac Muscle
Skeletal also called
Skeletal single or multinucleated?
Skeletal striated due to
Skeletal produce Heat?
Striated (striped) or voluntary
Multinucleated
Organized arrangement of contractile units called sarcomeres
Yes, when constantly contracting (exercising) and when cold (…
Skeletal also called
Striated (striped) or voluntary
Skeletal single or multinucleated?
Multinucleated
27 terms
Physio- Cardiac and Smooth Muscle
Which muscle has intercalated discs?
Which muscle is branched discs?
Which muscle has gap junctions?
Which muscle displays syncitia?
Cardiac
Cardiac
Cardiac
Cardiac
Which muscle has intercalated discs?
Cardiac
Which muscle is branched discs?
Cardiac
9 terms
Skeletal, Smooth, Cardiac Muscles
skeletal
skeletal
striations
Smooth muscle
What type of muscle?
What type of muscle?
What are the stripes?
What muscle?
skeletal
What type of muscle?
skeletal
What type of muscle?
14 terms
Smooth Muscle and Cardiac Muscle
What are the mechanical junctions pres…
What is the function of fascia adheren…
What are the electrical junctions pres…
What is the function of a gap junction?
Fascia adherens and desmosomes
They help keep the cells from pulling apart
Gap junctions
To allow an action potential to spread quickly
What are the mechanical junctions pres…
Fascia adherens and desmosomes
What is the function of fascia adheren…
They help keep the cells from pulling apart
19 terms
Chapter 9: Muscle tissue - smooth, cardiac and development
peristalsis
caveoli
smooth muscle tissue does not have
filaments arranged diagonally causing…
alternating contraction and relaxation in hollow organs to sq…
pouchlike infoldings in plasma membranes
sacromeres
corkscrew
peristalsis
alternating contraction and relaxation in hollow organs to sq…
caveoli
pouchlike infoldings in plasma membranes
24 terms
Skeletal, Cardiac and smooth muscle
Skeletal muscle location
skeletal muscle structure
Skeletal muscle function
Type of control - skeletal muscle
attached to bones or skin
cross striated, multinucleated, unbranched long cylindrical s…
Posture, movement, heat production
voluntary, each cell has one synapse (neuromuscular junction)…
Skeletal muscle location
attached to bones or skin
skeletal muscle structure
cross striated, multinucleated, unbranched long cylindrical s…
15 terms
Human Physiology Chapter 13-Smooth and Cardiac Muscle
Smooth muscle fibers
Structural makeup of smooth muscle fib…
How is cross-bridge formation controll…
What are the two sources of cytosolic…
Made up of spindle-shaped fibers that are much smaller than i…
Thick and thin filaments just like before, but this time ther…
Ca2+ binds to calmodulin, which is able to activate MLCK, a C…
1) A sarcoplasmic reticulum (that lacks t-tubules) that lies…
Smooth muscle fibers
Made up of spindle-shaped fibers that are much smaller than i…
Structural makeup of smooth muscle fib…
Thick and thin filaments just like before, but this time ther…
49 terms
Skeletal, Cardiac, and Smooth Muscle
Properties of ALL muscle
Striated Muscle types (2)
Voluntary somatic muscles of the body,…
Non-striated, involuntary, uninucleated
1. Relatively vascular... 2. Receive neural inputs from the cent…
Cardiac and Skeletal
Skeletal Muscles
Smooth Muscle
Properties of ALL muscle
1. Relatively vascular... 2. Receive neural inputs from the cent…
Striated Muscle types (2)
Cardiac and Skeletal
14 terms
9. Smooth & Cardiac Muscle
Structure of Smooth muscle
Smooth Muscle Contraction
Smooth vs Skeletal
Latch State
1. spindle shape cell... 2. shorter than skeletal... 3. single nucl…
1. Sarcoplasmic reticulum + extracellular fluid ↑ Ca+2... 2. ↑ C…
Smooth ... - two sources of Ca2+ (sarcoplasmic reticulum and ext…
- Cross bridge is dephosphorylated while still attached to ac…
Structure of Smooth muscle
1. spindle shape cell... 2. shorter than skeletal... 3. single nucl…
Smooth Muscle Contraction
1. Sarcoplasmic reticulum + extracellular fluid ↑ Ca+2... 2. ↑ C…
21 terms
Smooth and Cardiac Muscle
What are some important differences in…
a...... How does smooth muscle contractio…
Describe the apperance of smooth muscl…
Describe the differences in anatomy of…
Smooth Muscle ... 1.) "Smooth" appearance - NO STRIATIONS.... 2.)…
Smooth Muscle Contractions ... 1.) SLOW and SUSTAINED (last up…
1.) Spindle shaped... 2.) Much smaller than skeletal muscle fibe…
6.) NO transverse-tubules (T-tubules).... 7.) Longer actin and m…
What are some important differences in…
Smooth Muscle ... 1.) "Smooth" appearance - NO STRIATIONS.... 2.)…
a...... How does smooth muscle contractio…
Smooth Muscle Contractions ... 1.) SLOW and SUSTAINED (last up…
52 terms
Skeletal, Smooth and Cardiac Muscle
which type of muscle is found in the w…
what are two major differences in the…
which type(s) of muscles can we volunt…
which type of muscle has the smallest…
smooth muscle
smooth muscle does not have troponin and has only a very smal…
skeletal muscle
smooth muscle, cardiac is intermediate, then skeletal is larg…
which type of muscle is found in the w…
smooth muscle
what are two major differences in the…
smooth muscle does not have troponin and has only a very smal…
72 terms
Skeletal, Smooth, Cardiac Muscle
Sacromere
Z line
A band
I band
-Part of myofibril... -From z line to z line
Where actins attach
Myosin and actin overlap
only actin
Sacromere
-Part of myofibril... -From z line to z line
Z line
Where actins attach
18 terms
Smooth muscle & cardiac muscle
Location of smooth muscle
Greatest variety of functions for smoo…
Smooth muscle is the
smooth muscle is
walls of hollow organs and tubes, interior of the eye, walls…
-moving urine through urinary tract... -food movement through di…
most widely distributed type of muscle
involuntary
Location of smooth muscle
walls of hollow organs and tubes, interior of the eye, walls…
Greatest variety of functions for smoo…
-moving urine through urinary tract... -food movement through di…
22 terms
Skeletal, Cardiac, and Smooth Muscle
What does skeletal muscle look like?
What does cardiac muscle look like?
What does smooth muscle look like?
Where is skeletal muscle located?
long cylindrical fiber with many peripherally located nuclei,…
Branched cylindrical fiber with one centrally located nucleus…
Fiber thickest in middle, tapered at each end, with one centr…
Attached by tendons to bone
What does skeletal muscle look like?
long cylindrical fiber with many peripherally located nuclei,…
What does cardiac muscle look like?
Branched cylindrical fiber with one centrally located nucleus…
30 terms
Cardiac & Smooth Muscle
Structure of Cardiac Muscle
Cardiac contraction requires
T-tubules
Steps of Calcium Release from the Tria…
Shorter... Branched... Interconnected at intercalated disks
Ca 2+ release from T-tubules.
extend deep into cardiac muscle, and are extension of the Ca…
1. Membrane depolarization opens the L-type Ca 2+ channel.…
Structure of Cardiac Muscle
Shorter... Branched... Interconnected at intercalated disks
Cardiac contraction requires
Ca 2+ release from T-tubules.
40 terms
cardiac muscle and smooth muscle
in comparison to muscle cells dependen…
smooth muscles form
smooth muscle is present in
which is longest muscle type and which…
more mitochondria, more myoglobin, more capillaries, more oxi…
the walls of most hollow internal organs... non striated and inv…
almost all organ systems
skeletal is longest... smooth is shortest
in comparison to muscle cells dependen…
more mitochondria, more myoglobin, more capillaries, more oxi…
smooth muscles form
the walls of most hollow internal organs... non striated and inv…
30 terms
Skeletal, Cardiac and Smooth Muscle
Of what are myofilaments composed?
Of what are myofibrils composed?
Of what are myofibers composed? What s…
What is a myocyte?
The thin filaments are made of actin and the thick filaments…
These are many myofilaments surrounded by sarcoplasmic reticu…
These are made of many myofibrils. They are surrounded by end…
This is just another name for a myofiber/muscle cell
Of what are myofilaments composed?
The thin filaments are made of actin and the thick filaments…
Of what are myofibrils composed?
These are many myofilaments surrounded by sarcoplasmic reticu…
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