Study sets matching "term:fascicle = bundle of muscle fibers"

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Study sets matching "term:fascicle = bundle of muscle fibers"

Fascicle Arrangements of Muscle Fibers
fusiform
parallel
convergent
pennate
parallel fascicles; thick in middle; tapered at ends; designe…
parallel fascicles; uniform width; ex. rectus abdominis
fan-shaped; broad at origin; narrow at insertion; ex. pectora…
feather-shaped; fascicles insert obliquely on tendon that run…
fusiform
parallel fascicles; thick in middle; tapered at ends; designe…
parallel
parallel fascicles; uniform width; ex. rectus abdominis
16 terms
Chap 6 Bundles of Muscle Fibers
Sarcoplasmic Reticulum
Triad
Terminal cisternae
Transverse Tubule
a specialized type of smooth ER that regulates the calcium io…
the structure formed by a T tubule with a sarcoplasmic reticu…
nlarged areas of the sarcoplasmic reticulum surrounding the t…
a deep invagination of the sarcolemma, which is the plasma me…
Sarcoplasmic Reticulum
a specialized type of smooth ER that regulates the calcium io…
Triad
the structure formed by a T tubule with a sarcoplasmic reticu…
PDBio 210 -- Lesson 7 Contraction of Skeletal Muscle Fibers (10.3-10.7) Rigor Mortis, Botulism, Fascicles, Muscular Dystrophy
What is the Sliding Filament Theory?
The parts of Sliding Filament Theory:…
What changes occur during contraction…
When skeletal muscles contract --Slidi…
-- when a muscle contracts, thick and thin filaments slide pa…
1-- Myosin heads split ATP and become reoriented and energize…
-- the A band remains constant but the H zone disappears... --th…
--In the relaxed state, the sarcomere, I band, and H zone are…
What is the Sliding Filament Theory?
-- when a muscle contracts, thick and thin filaments slide pa…
The parts of Sliding Filament Theory:…
1-- Myosin heads split ATP and become reoriented and energize…
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…
26 terms
Muscle Fiber
Muscle fiber
Myofibrils
myofilaments
actin
single muscle cell, enclosed by the sarcolemma, contains myof…
bundle of protein myofilaments within a muscle fiber
Myosin and actin; carry out the contraction process
thin filaments
Muscle fiber
single muscle cell, enclosed by the sarcolemma, contains myof…
Myofibrils
bundle of protein myofilaments within a muscle fiber
8 terms
Muscle bundle free hbg
Bone
tendon
epimysium
perimysium
Bone
tendon
28 terms
Muscle Fibers
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…
muscle fibers
skeletal muscle fiber (longitudinal cut)
skeletal muscle fiber (cross cut)
skeletal muscle striations
epimysium
-striations... -peripheral nuclei... -multinucleated... -connective ti…
-peripheral nuclei... -multinucleated
dark- A band: actin and myosin over lap; length of myosin... li…
connective tissue ensheathing the entire muscle
skeletal muscle fiber (longitudinal cut)
-striations... -peripheral nuclei... -multinucleated... -connective ti…
skeletal muscle fiber (cross cut)
-peripheral nuclei... -multinucleated
13 terms
Ch 10 Fascicle Arrangements Help Determine Muscle Shape and Force
fasicles
circular
examples of circular muscle shape
convergent
bundles of fibers
fasicles arranged in concentric rings.
orbicularis oculi and oris
broad origin, fascicles coverage toward a single tendon of in…
fasicles
bundles of fibers
circular
fasicles arranged in concentric rings.
32 terms
Muscle Fiber
Muscle fiber
Myofibrils
myofilaments
actin
single muscle cell, enclosed by the sarcolemma, contains myof…
bundle of protein myofilaments within a muscle fiber
carry out the contraction process... thick filaments: composed o…
...
Muscle fiber
single muscle cell, enclosed by the sarcolemma, contains myof…
Myofibrils
bundle of protein myofilaments within a muscle fiber
13 terms
Muscular System: Muscle Fibers
Fascicles
Epimysium
Sarcolemma
Sarcoplasm
bundles of fibers that muscles are composed of
the membrane surrounding fascicles
muscle fiber membrane
inner material surrounding fibers (like cytoplasm)
Fascicles
bundles of fibers that muscles are composed of
Epimysium
the membrane surrounding fascicles
71 terms
muscle fibers
3 types of muscle
6 functions of skeletal muscle
epimysium
perimysium
skeletal cardiac and smooth
movement, maintain posture, support soft tissue, guard body o…
surround the whole muscle
divides muscle into compartments
3 types of muscle
skeletal cardiac and smooth
6 functions of skeletal muscle
movement, maintain posture, support soft tissue, guard body o…
9 terms
Parts of a Muscle Tissue
muscle
epimysium
fascicles
perimysium
bundle of fascicles
holds fascicles together
bundles of muscle fibers (cells)
holds together the muscle fibers
muscle
bundle of fascicles
epimysium
holds fascicles together
12 terms
Microscopic Anatomy of Muscle Fibers
sarcolemma
(dark) A band
(light) I band
myofibril
6
2
sarcolemma
(dark) A band
6
118 terms
Muscle/Muscle Fibers QUIZ
Within the muscle.... Connective tissue s…
Bundles.... Bundles of muscle cells surro…
The tissue that binds muscles into fun…
Around the fasicles.... Connective tissue…
b) Endomysium... -A whispy sheath of connective tissue that surr…
d) Fascicle... -A bundle of skeletal muscle fibers surrounded by…
a) Epimysium... -"outside the muscle"... -An "overcoat" of dense ir…
e) Perimysium... -A sheath of connective tissue that groups indi…
Within the muscle.... Connective tissue s…
b) Endomysium... -A whispy sheath of connective tissue that surr…
Bundles.... Bundles of muscle cells surro…
d) Fascicle... -A bundle of skeletal muscle fibers surrounded by…
6 terms
Muscle Layers
Epimysium
Perimysium
Endomysium
Muscle Fascicle
Surrounds individual muscle fibers
bundle of muscle fibers
Epimysium
Perimysium
Fascicle Arrangement
Fascicle
4 basic patters
Paralell
Convergent
Bundle of muscle fibers
...
Axes of fascicles run parallel to muscle itself
Muscle origin is braod and fascicles converge toward a tendon…
Fascicle
Bundle of muscle fibers
4 basic patters
...
17 terms
muscle fibers
perimysium
endomysium
elasticity
peristalsis
wraps around the fascicle
wraps around mucle fiber
ability to return to normal after stretched
groups a bundle of fascicles together
perimysium
wraps around the fascicle
endomysium
wraps around mucle fiber
6 terms
Structure of Skeletal muscle fibers
Perimysium
Epimysium
Endomysium
Sarcolemma
-surrounds the fascicle... -fibrous CT
-surrounds the entire muscle... -dense irregular CT
-surrounds the muscle fiber in the fascicle... -loose CT consist…
plasma membrane
Perimysium
-surrounds the fascicle... -fibrous CT
Epimysium
-surrounds the entire muscle... -dense irregular CT
5 terms
Muscle structure
epimysium
perimysium
endomysium
muscle fascicle
bundle of muscle fibers
epimysium
perimysium
11 terms
ANATOMY OF SKELETAL MUSCLE FIBERS
the muscle belly is between
muscles can have multiple
Skeletal muscle is able to
A skeletal muscle is composed of bundl…
the origin and insertion
origins, bellies and insertions
contract, respond to stimulation from the nervous system, str…
muscle fascicles.
the muscle belly is between
the origin and insertion
muscles can have multiple
origins, bellies and insertions
31 terms
Ch 10 & 11: Muscle Histology, Muscle Cell Bio, Effects of Fascicle Arrangement
Fascicle Arrangement is important b/c
Fascicle Arrangement Background
pectoralis major
Less power, greater range of motion;... e…
It affects muscle power and range of motion
Skeletal Muscle Fibers within a muscle are arranged in bundle…
Triangular
Parallel
Fascicle Arrangement is important b/c
It affects muscle power and range of motion
Fascicle Arrangement Background
Skeletal Muscle Fibers within a muscle are arranged in bundle…
Muscles and Muscle Fibers
Skeletal Muscle
Smooth Muscle
Cardiac Muscle
Muscles
Striated and voluntary
Involuntary, in hollow organs
In heart only
Composed of many fibers that are arragned in bundles
Skeletal Muscle
Striated and voluntary
Smooth Muscle
Involuntary, in hollow organs
10 terms
Organization of Muscle and Connective Tissue in the Muscle
Dense layer of collagenous fibers that…
Elastic Connective Tissue Covering a S…
Connective tissue covering of the fasc…
Attach muscle to bone
Epimysium
Endomysium
Perimysium
Tendon
Dense layer of collagenous fibers that…
Epimysium
Elastic Connective Tissue Covering a S…
Endomysium
structure of skeletal muscle fibers
fascicles
fibers
myofibrils
myofilaments
bundle of muscle fibers surrounded by perimysium
muscle cell, t-tubules
80% cell contents; long chain of sacromeres
bundled protein filaments; myosin and actin build sacromere
fascicles
bundle of muscle fibers surrounded by perimysium
fibers
muscle cell, t-tubules
36 terms
Skeletal muscle and Muscle Fiber Anatomy Brown
T-tubule
actin
troponin
tropomyosin
T-tubule
actin
Organization of Muscle and Connective tissues in the Muscle
Epimysium
Endomysium
Perimysium
Tendon
Dense layer of collagenous fibers that surround the entire mu…
Elastic connective tissue covering of a single muscle fiber
Connective tissue covering of the fascicle
Attach muscle to bone
Epimysium
Dense layer of collagenous fibers that surround the entire mu…
Endomysium
Elastic connective tissue covering of a single muscle fiber
Muscle Tissue
Epimysium
Perimysium
Endomysium
Fascicle
Outer layer of muscle tissue
Connective tissue surrounding the fascicles
Connective tissue surrounding muscle fiber
A bundle of muscle fibers
Epimysium
Outer layer of muscle tissue
Perimysium
Connective tissue surrounding the fascicles
6 terms
Structure of Skeletal Muscle Fiber
Muscle
Fascicle
Muscle fiber
Myofibril
...
Bundle of muscle fibers surrounded by perimyosium
...
Functional unit;
Muscle
...
Fascicle
Bundle of muscle fibers surrounded by perimyosium
18 terms
2. Muscle Fibers/Cells
muscle fiber
sarcolemma
sarcoplasmic reticulum
transverse tubules (T-tubules)
an individual muscle cell
plasma membrane of muscle cell
Ca storing organelle in sarcoplasm
holes in sarcolemma that carry the action potential to allow…
muscle fiber
an individual muscle cell
sarcolemma
plasma membrane of muscle cell
Muscle Structure
Endomysium
Epimysium
Fascicle
Perimysium
surrounds individual muscle fibers
surrounds muscles
bundle of individual muscle fibers
surrounds fascicles
Endomysium
surrounds individual muscle fibers
Epimysium
surrounds muscles
Chpt 9 Muscle/Muscle Fibers
Within the muscle.... Connective tissue s…
Bundles.... Bundles of muscle cells surro…
The tissue that binds muscles into fun…
Around the fasicles.... Connective tissue…
b) Endomysium... -A whispy sheath of connective tissue that surr…
d) Fascicle... -A bundle of skeletal muscle fibers surrounded by…
a) Epimysium... -"outside the muscle"... -An "overcoat" of dense ir…
e) Perimysium... -A sheath of connective tissue that groups indi…
Within the muscle.... Connective tissue s…
b) Endomysium... -A whispy sheath of connective tissue that surr…
Bundles.... Bundles of muscle cells surro…
d) Fascicle... -A bundle of skeletal muscle fibers surrounded by…
Muscle fibers
Extensibility
Elasticity
Irritability
Contrability
Ability to strech
Ability to return normal length after stretch
Ability to respond to stimuli
To contract and shorten
Extensibility
Ability to strech
Elasticity
Ability to return normal length after stretch
46 terms
II. Skeletal Muscle (Muscle fibers - cellular and gross anatomy)
What are the special characteristics o…
Insertion
Origin
Direct muscle attachment
Excitability, contractility, extensibility, elasticity
The portion of the muscle attached to the more movable bone
The portion of the muscle attached to the less movable bone
Epimysium of muscle fused to outer layer of bone or cartilage
What are the special characteristics o…
Excitability, contractility, extensibility, elasticity
Insertion
The portion of the muscle attached to the more movable bone
38 terms
Gross anatomy of skeletal muscle and microscopic anatomy of a muscle fiber
T-tubule
actin
troponin
tropomyosin
T-tubule
actin
Anatomy of a Muscle and Muscle Fibers
Epimysium
Fascicle
Perimysium
Endomysium
layer if collagen fibers that separate it from surrounding or…
Muscle made of bundles
Each fascicle is divided by another layer
Surrounds and individual muscle fiber... Contains nerves, capill…
Epimysium
layer if collagen fibers that separate it from surrounding or…
Fascicle
Muscle made of bundles
Muscle
Epimysiam
Endomysium
Muscle fiber
Fascicle
Outermost layer that surroinds a bundle of fascicles
Innermost connection. Tissue that surrounds muscle.
Cell
Bundle of muscle fibers
Epimysiam
Outermost layer that surroinds a bundle of fascicles
Endomysium
Innermost connection. Tissue that surrounds muscle.
9 terms
Muscle fibers to muscles
muscle fiber
endomysium
fascicles
perimysium
skeletal muscle cell
connective tissue covering around each muscle fiber
a group of endomysium-wrapped muscle fibers
connective tissue covering around each fascicle
muscle fiber
skeletal muscle cell
endomysium
connective tissue covering around each muscle fiber
Gross Anatomy of Skeletal Muscle
endomysium
perimyseum
fascicle
epimyseum
connective tissue sheath around individual fibers
coarse membrane wrapped around several fibers
bundle of fibers
tough layer surrounding many fascicles
endomysium
connective tissue sheath around individual fibers
perimyseum
coarse membrane wrapped around several fibers
Structure of a Skeletal Muscle
Sarcolemma
Skeletal muscle
CT
Endomysium
cell membrane
made up of many muscle fibers
supports and protects the muscle cells, reinforce the muscles…
CT surrounding each individual muscle fiber
Sarcolemma
cell membrane
Skeletal muscle
made up of many muscle fibers
Microscopic anatomy of skeletal muscle
Perimysium
Epimysium
Sacromere
Fiber
Connective tissue surrounding a fascicle
connective tissue ensheathing the entire muscle
Contractile unit of muscle
a muscle cell
Perimysium
Connective tissue surrounding a fascicle
Epimysium
connective tissue ensheathing the entire muscle
32 terms
Muscle and muscle fibers structures
Fascicles
Tendon
Epimysium
Perimysium
Bundles containing fibers that compose muscles
Cord like fascia that attached muscles to bones
Connective tissue that surrounds entire muscle
Separates muscle tissue into smalls bundles called fascicles
Fascicles
Bundles containing fibers that compose muscles
Tendon
Cord like fascia that attached muscles to bones
6 terms
Types of Muscle Fibers
1
2
3
4
Tendon
epimysium
perimysium
muscle fibre
1
Tendon
2
epimysium
Skeletal Muscle
Bone
Blood Vessels
Tendon
Epimysium
Bone
Blood Vessels
5.3 The Anatomy of a Muscle + Key Terms
Endomysium
Perimysium
Epimysium
Muscle
the connective tissue membrane that wraps around a muscle fib…
the connective tissue membrane that wraps around a fascicle
the connective tissue membrane that wraps around a muscle
the basic organ of the muscular system
Endomysium
the connective tissue membrane that wraps around a muscle fib…
Perimysium
the connective tissue membrane that wraps around a fascicle
Organization of Fascicles, Muscle, and Vocab
Convergent
Parallel
Pennate
Circular
starts wide and comes together at a point (flexible & not str…
most numerous (can be flexible or strong)... ex. pectoantibrachi…
multi, can be uni or bi (very strong but not flexible)
guards entrances and exits... ex. sphincter
Convergent
starts wide and comes together at a point (flexible & not str…
Parallel
most numerous (can be flexible or strong)... ex. pectoantibrachi…
skeletal muscle
muscle belly
Epimysium
fascicle
perimysium
main body of muscle
The external connective-tissue sheath of a muscle
A bundle of skeletal muscle cells. Fascicles group together t…
The connective-tissue sheath that surrounds a muscle and form…
muscle belly
main body of muscle
Epimysium
The external connective-tissue sheath of a muscle
Anatomy of muscle fibers
Endomysium
Perimysium
Epimysium
What are two types of deep fascia?
Thin areolar CT that surrounds the individual fibers
Collagen fibers that surround the Fascicles
Dense CT that surrounds the muscle
1. Aponeurosis- flat ... 2. Tendons- cordlike
Endomysium
Thin areolar CT that surrounds the individual fibers
Perimysium
Collagen fibers that surround the Fascicles
29 terms
Gross anatomy of skeletal muscle and microscopic anatomy of a muscle fiber
Myofibrils
Sarcolemma
Sarcoplasmic reticulum
Endomysium
Myofibrils
Sarcolemma
Anatomy of Skeletal Muscle-Definitions
Fascicle
Perimysium
Epimysium
Endomysium
A discrete bundle of muscle cells
Connective tissue surrounding a fascicle
Connective tissue ensheathing the entire muscle
Thin connective tissue investing each muscle cell
Fascicle
A discrete bundle of muscle cells
Perimysium
Connective tissue surrounding a fascicle
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