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Study sets matching "term:muscle fiber = long slender skeletal muscle cells"

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Study sets matching "term:muscle fiber = long slender skeletal muscle cells"

30 terms
Skeletal Muscle Fiber (Cell)
Sarcolemma
Sarcoplasm
Sarcoplasmic Reticulum
T-tubule
Plasma membrane of muscle fiber
Cytoplasm of muscle fiber
Smooth endoplasmic reticulum of muscle fiber
Invaginations of the sarcolemma form tubule like structures w…
Sarcolemma
Plasma membrane of muscle fiber
Sarcoplasm
Cytoplasm of muscle fiber
41 terms
Skeletal Muscle Fibers/Cells
single, long, cylindrical
skinny and long
cell membrane
regulates what can go in and out (semi…
muscle fiber
muscle fiber
sarcolemma
sarcolemma
single, long, cylindrical
muscle fiber
skinny and long
muscle fiber
18 terms
skeletal muscle fibers/cells
skeletal muscle fiber
skeletal muscle fibers
skeletal muscle fibers
skeletal muscle fibers
muscle cell or myofiber
ability to contract and relax
Single cell maybe full strength of a muscle
parts: (of muscle cell)
skeletal muscle fiber
muscle cell or myofiber
skeletal muscle fibers
ability to contract and relax
38 terms
skeletal muscle cells/fibers
muscle cells are the same length as what
when you cut across a muscle cell and…
when you look at one fascicle it also…
in one muscle fiber it has multiple what
the muscle it goes with
fascicles
muscle fibers=muscle cells
nuclei
muscle cells are the same length as what
the muscle it goes with
when you cut across a muscle cell and…
fascicles
22 terms
Skeletal Muscle Fiber(cell) parts
Skeletal Muscle
Endomysium
Perimysium
Epimysium
Each muscle is a discrete organ composed of muscle tissue, bv…
CT surrounding each muscle fiber(areolar)
CT that surrounds groups of muscle fibers called fascicles ... (…
CT that surrounds entire muscle (dense irregular- fibroblasts…
Skeletal Muscle
Each muscle is a discrete organ composed of muscle tissue, bv…
Endomysium
CT surrounding each muscle fiber(areolar)
31 terms
Skeletal Muscle Cells (aka Skeletal Muscle Fibers)
-Long and thin... -Multinucleate ... -Contai…
Just beneath the Sarcolemma (muscle ce…
Hundreds or thousands of Myofibrils
Actin and Myosin
Characteristics of skeletal muscle fibers
Where are the nuclei located in a muscle cell?
What are skeletal muscle fibers made up of?
What contractile proteins make up a myofibril?
-Long and thin... -Multinucleate ... -Contai…
Characteristics of skeletal muscle fibers
Just beneath the Sarcolemma (muscle ce…
Where are the nuclei located in a muscle cell?
13 terms
Skeletal Muscle Cells, Muscle Fibers, Myofibrils, Sarcomeres
Skeletal muscle cells
Order of skeletal muscle structure
Muscle facicles
Multi nucleated
Controlled by muscle fibers, most vital part for movement, ma…
Sarcomere, Myofibris, muscle fibers, muscle facicles to skele…
Muscles binded together in packages
hundred of nuceli per cell; needed because there are many spe…
Skeletal muscle cells
Controlled by muscle fibers, most vital part for movement, ma…
Order of skeletal muscle structure
Sarcomere, Myofibris, muscle fibers, muscle facicles to skele…
8 terms
Microscopic anatomy of skeletal muscle fiber (muscle cell)
Sarcolemma (PM)
Sarcolemma -T-Tubules
Sarcoplasm
Sarcoplasmic Reticulum
Conducts impulses into cell and impulses signal for Ca+ relea…
Areas where sarcolemma dips into cells interior at A-I juncti…
Contains organelles
Smooth ER specific to muscle. Runs longitudinally and surroun…
Sarcolemma (PM)
Conducts impulses into cell and impulses signal for Ca+ relea…
Sarcolemma -T-Tubules
Areas where sarcolemma dips into cells interior at A-I juncti…
11 terms
Microanatomy of Skeletal Muscle Fiber (aka skeletal muscle cell)
general organization of skeletal muscle
size of cells
sarcolemma
sarcoplasm
epimysium wraps around many bundles of fascicles=>perimysium…
huge, about 10x size of an average cell, up to 30cm long
cell membrane of muscle cell
cytoplasm wthin the muscle cell
general organization of skeletal muscle
epimysium wraps around many bundles of fascicles=>perimysium…
size of cells
huge, about 10x size of an average cell, up to 30cm long
Microscopic Structure of Skeletal Muscle Fiber (cell)
Sarcolemma
Mitochondria
Sarcoplasmic Reticulum
T-tubules
specialized plasma membrane
provided energy for muscle contraction
contain reticulum, T-tubules and myofibrils
penetrate cells interior to help conduct impulses deep into m…
Sarcolemma
specialized plasma membrane
Mitochondria
provided energy for muscle contraction
29 terms
Contraction of a Skeletal Muscle Fiber (Cell)
Initiation, Transmission
Nerve Stimulus, Neurotransmitter
Motor Neuron of Somatic (Voluntary) (D…
Electrical signal on axon (of neuron…
What are the steps of contracting a skeletal muscle? (***is t…
How is the Contraction of a Skeletal Muscle Fiber (Cell) init…
What is the source of the Nerve Stimulus Involved in the In…
What is the form of The Nerve Stimulus Involved in the Init…
Initiation, Transmission
What are the steps of contracting a skeletal muscle? (***is t…
Nerve Stimulus, Neurotransmitter
How is the Contraction of a Skeletal Muscle Fiber (Cell) init…
10 terms
Lab 2 Skeletal Muscle Fiber/ cell model
Neuron Axon
synapse/synaptic cleft
sarcolemma
transverse tubule
100
103
105
107
Neuron Axon
100
synapse/synaptic cleft
103
24 terms
Microscopic Anatomy of a Skeletal Muscle Fiber/Cell
Do skeletal muscle fibers contain calc…
Sarcolemma
Describe skeletal muscle cells.
Define sarcoplasm
Yes
The cell membrane of a muscle cell
Huge, diameter is 10 to 100 micrometers, length is up to 30 c…
The cytoplasm of a muscle cell; contains unusually large amou…
Do skeletal muscle fibers contain calc…
Yes
Sarcolemma
The cell membrane of a muscle cell
19 terms
skeletal muscle fibers as electrically excitable cells
membrane potentials
electrical gradient
voltage
voltage is measured in
due to unequal distribution of ions near the plasma membrane…
negatively charged ions=inside cell... positively charged ions=…
difference in charge (potential) between 2 points
millivolt (mV)
membrane potentials
due to unequal distribution of ions near the plasma membrane…
electrical gradient
negatively charged ions=inside cell... positively charged ions=…
25 terms
Skeletal Muscle- Intro, skeletal muscle cells, Muscle Fibers, Myofibrils, Sarcomere, Contraction, Activation, Electrical
Skeletal Muscle Cells
Muscle Fascicles
Muscle Fibers
Name the order for Skeletal Muscle Cells
Most vital cell for movement . The way they are packed provid…
muscles binded together in packages
Control individual muscle cells
Myofibris; Sarcomere; muscle fiber; muscle fascicle; skeletal…
Skeletal Muscle Cells
Most vital cell for movement . The way they are packed provid…
Muscle Fascicles
muscles binded together in packages
9 terms
A&P Anatomy of a Skeletal Muscle Fiber (Cell)
muscle fiber
sarcolemma
sarcoplasm
sarcoplasmic reticulum
consists of bundles of myofibrils, each contains the myofilam…
cell membrane
muscle cell cytoplasm
modified ER, surrounds each myofibril
muscle fiber
consists of bundles of myofibrils, each contains the myofilam…
sarcolemma
cell membrane
28 terms
Anatomy Test 4 (b): Characteristics of Skeletal Muscle Fibers (cells)
sarcolemma
t-tubule
myofibril
2 types of myofilaments
the cell membrane of a skeletal muscle fiber; it surrounds th…
infoldings of the sarcolemma that transmit the action potenti…
lengthwise subdivisions inside of a muscle fiber; made up of…
thick & thin... compromised of many different proteins.
sarcolemma
the cell membrane of a skeletal muscle fiber; it surrounds th…
t-tubule
infoldings of the sarcolemma that transmit the action potenti…
12 terms
10.3 Skeletal Muscle Fibers as Electrically Excitable Cells
Membrane potential
Negative
Positive
Electrical potential
unequal distribution of ions near the plasma membrane resulti…
the charge on the inside of a cell
the charge on the outside of a cell
the charge difference that exists across the plasma membrane…
Membrane potential
unequal distribution of ions near the plasma membrane resulti…
Negative
the charge on the inside of a cell
19 terms
8.2 structure of a skeletal muscle: connective tissue coverings, characteristics of skeletal muscle fiber cells, and neuromuscular junction
name the 3 type of bundles
what is muscle fiber cells made of
what is fascicles made of
what is muscle made of
muscle fibers cells, fascicles, muscle
myofibrils
muscle fibers, nerves, blood vessels
fascicles
name the 3 type of bundles
muscle fibers cells, fascicles, muscle
what is muscle fiber cells made of
myofibrils
25 terms
CH 10: PT 2- Skeletal Muscle Fibers as Electrically Excitable Cells
ECF
membrane potentials
voltage
mV (millivolt)
A thin layer of negatively charged ions exists in ICF and a t…
the electrical potential (charge difference) that exists acro…
a difference in charge (potential) between two points.
The potential across the sarcolemma measured in a ________.
ECF
A thin layer of negatively charged ions exists in ICF and a t…
membrane potentials
the electrical potential (charge difference) that exists acro…
10 terms
Chapter 10: Skeletal muscle fibers As Electrically excitable cells (module 3)
skelital muscle contractions take plac…
events leading up to a contraction sta…
electrophysiology is?
membrane potentials are due to?
sacromere
electrical
the electrical changed across membraned and the physiology th…
unequal distribution of ions near the plasma membrane resulti…
skelital muscle contractions take plac…
sacromere
events leading up to a contraction sta…
electrical
30 terms
Skeletal muscle fiber model
Z-line
I-band
Thin Filament
Cross section of skeletal muscle fiber…
Z-line
I-band
12 terms
A skeletal muscle fiber
epimysium
muscle fascicles
perimysium
muscle fibers
outer layer, ... dense irregular connective tissue,... separate tis…
central layer,... contain a bundle of muscle fibers - fascicle... c…
epimysium
outer layer, ... dense irregular connective tissue,... separate tis…
muscle fascicles
14 terms
Skeletal muscle fiber model
Thick filament
thin filament
z disc
t tubule
A
Thick filament
thin filament
30 terms
Skeletal muscle fiber model
Z-line
I-band
Thin Filament
Cross section of skeletal muscle fiber…
Z-line
I-band
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
36 terms
Skeletal muscle and Muscle Fiber Anatomy Brown
T-tubule
actin
troponin
tropomyosin
T-tubule
actin
9 terms
Muscle Fiber Cell Model
sarcolemma
myofibril
mitochondria
sarcoplasmic reticulum
sarcolemma
myofibril
28 terms
Skeletal muscle fiber model
Z-line
I-band
Thin Filament
Cross section of skeletal muscle fiber…
Z-line
I-band
21 terms
Skeletal Muscle Structure
Skeletal Muscle Structure
Cardiac Muscle Structure
Smooth Muscle Structure
Skeletal Muscle
Muscle tissue that is attached to the bones and helps with mo…
Skeletal Muscle Structure
Cardiac Muscle Structure
27 terms
Ch10 Skeletal Muscle Fiber IMAGES
1 - endomysium
2- skeletal muscle in cross-section
3 - fasicle
4 - perimysium
What is 1 pointing to?
What is the structure labeled 2?
What is 3?
What is 4?
1 - endomysium
What is 1 pointing to?
2- skeletal muscle in cross-section
What is the structure labeled 2?
36 terms
Structures of the Skeletal Muscle Fiber
sarcolemma
T-tubule
terminal cisterna
sarcoplasmic reticulum
muscle's plasma membrane, wraps fibers of muscle
along middle of each terminal cisterna, inward extension of s…
enlarged areas of the sarcoplasmic reticulum surrounding the…
modified endoplasmic reticulum that wraps around myofibrils;…
sarcolemma
muscle's plasma membrane, wraps fibers of muscle
T-tubule
along middle of each terminal cisterna, inward extension of s…
21 terms
Parts of Skeletal Muscle
Perimysium
Perimysium
Epimysium
Endomysium
Perimysium
Perimysium
12 terms
Muscle Fiber
Myofibril
Mitochondrion
Neuromuscular junction
Nucelus
tightly packed filament bundles found within skeletal muscle…
Organelle that breaks down food and releases energy
point of contact between a motor neuron and a skeletal muscle…
Red oval on right side of model
Myofibril
tightly packed filament bundles found within skeletal muscle…
Mitochondrion
Organelle that breaks down food and releases energy
19 terms
Organization of Skeletal Muscle
Epimysium
Perimysium
Endomysium
Sarcolemma
A sheath of connective tissue that wraps the whole muscle
A sheath of connective tissue that wraps bundles of muscle fi…
A fine sheath of connective tissue that wraps each individual…
The cell membrane of a striated muscle fiber (cell).
Epimysium
A sheath of connective tissue that wraps the whole muscle
Perimysium
A sheath of connective tissue that wraps bundles of muscle fi…
30 terms
Skeletal muscle fiber model
Z-line
I-band
Thin Filament
Cross section of skeletal muscle fiber…
Z-line
I-band
5 terms
Apologia Human Body Module 5 - label
epimysium
perimysium
endomysium
muscle fiber
long slender skeletal muscle cells
epimysium
perimysium
29 terms
Gross anatomy of skeletal muscle and microscopic anatomy of a muscle fiber
Myofibrils
Sarcolemma
Sarcoplasmic reticulum
Endomysium
Myofibrils
Sarcolemma
51 terms
Muscle
Skeletal Muscle
Skeletal muscle
Skeletal Muscle evolution
Cardiac muscle
Individual cells form long cylindrical tubes with multiple nu…
Individual cells that fuse during fetal development to form s…
individual cells often BRANCH and possess a sing nucleus loca…
Skeletal Muscle
Individual cells form long cylindrical tubes with multiple nu…
Skeletal muscle
Type of Skeletal Muscle Fibers
What are the 3 Types of Skeletal Muscl…
Slow Oxidative Fiber (Type I) (Aerobic)
Slow Oxidative Fiber (type I) Location
Fast Glycolytic Fibers (Type IIx) (Ana…
1. Slow Oxidative Fiber (Type I)... 2. Fast Glycolytic Fiber (Ty…
- Obtains energy from Aerobic Metabolic Reaction... - Red color…
- Postural muscle of the lower back... - Pectoral Muscle, Gastro…
- Depend on Anaerobic pathway... - Contain little myoglobin ... - C…
What are the 3 Types of Skeletal Muscl…
1. Slow Oxidative Fiber (Type I)... 2. Fast Glycolytic Fiber (Ty…
Slow Oxidative Fiber (Type I) (Aerobic)
- Obtains energy from Aerobic Metabolic Reaction... - Red color…
skeletal muscle fiber
myofibrils
mitochondrion
postsynaptic membrane
synaptic gap
myofibrils
mitochondrion
42 terms
Muscle
functions of muscle
functional characteristics of muscle
skeletal muscle
cardiac muscle
Movement... Maintains posture... Supporting soft tissues and joints…
Excitability... Contractility... Extensibility... Elasticity
attached to bones by tendons
heart
functions of muscle
Movement... Maintains posture... Supporting soft tissues and joints…
functional characteristics of muscle
Excitability... Contractility... Extensibility... Elasticity
9 terms
3. Chapter 7 Muscle Fiber Contraction
muscle fiber contraction
TENSION
TENSION depends on
Muscle Tone
No change in filament length, Filaments slide past each other…
-when muscle cells contract and produce an active force ... -a m…
-the frequency of muscle fiber stimulation... -the number of mus…
resting tension in the muscle
muscle fiber contraction
No change in filament length, Filaments slide past each other…
TENSION
-when muscle cells contract and produce an active force ... -a m…
32 terms
Skeletal Muscle System
Epimysium
Perimysium
Endomysium
Fascicle
surrounds entire muscle
The connective tissue that surrounds fascicles.
Surrounds individual muscle fibers
bundle of muscle fibers
Epimysium
surrounds entire muscle
Perimysium
The connective tissue that surrounds fascicles.
126 terms
Muscle and Skeletal System (Ch. 8 & 9)
Support, Protection, Movement, Storage…
Long, short, flat, irregular
Diaphysis, medullary cavity, epiphysis…
diaphysis
The functions of the skeletal system
Types of bones
The six parts of a long bone
Shaft of a long bone
Support, Protection, Movement, Storage…
The functions of the skeletal system
Long, short, flat, irregular
Types of bones
55 terms
BPK 142: [4] Skeletal Muscle
muscle cells (fibers)
list the 3 types of muscle tissue
skeletal muscle
smooth muscle
cells in the body that can contract... - shorten and create tens…
1: skeletal muscle... 2: smooth ... 3: cardiac
attaches and moves skeleton... - striated ... - voluntary
found in walls of organs and blood vessels... - not aligned... - pr…
muscle cells (fibers)
cells in the body that can contract... - shorten and create tens…
list the 3 types of muscle tissue
1: skeletal muscle... 2: smooth ... 3: cardiac
22 terms
Skeletal muscle fiber model
Z-line
I-band
Thin Filament
Thick filament
Z-line
I-band
33 terms
Muscle Fibers Chapter 6
Fascia
Epimysium
Perimysium
Fascicle
a thin sheath of fibrous tissue enclosing a muscle or other o…
a sheath of fibrous elastic tissue surrounding a muscle found…
the sheath of connective tissue surrounding a bundle of fasci…
a bundle of skeletal muscle fiber
Fascia
a thin sheath of fibrous tissue enclosing a muscle or other o…
Epimysium
a sheath of fibrous elastic tissue surrounding a muscle found…
22 terms
Skeletal Muscle Fibers
long fibers
nuclei
striations
sarcolemma
long fibers
nuclei
14 terms
Skeletal Muscle Cell Structure list
Endomysium
Myofibril
Sarcolemma
Transverse tubules
Separate individual muscle fibers
surrounded by: sarcoplasmic reticulum ... consists of: sarcomer…
...
...
Endomysium
Separate individual muscle fibers
Myofibril
surrounded by: sarcoplasmic reticulum ... consists of: sarcomer…
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