Study sets matching "term:muscle fiber = basic functional unit of the muscular system"

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Study sets matching "term:muscle fiber = basic functional unit of the muscular system"

11 terms
Anatomy unit 8 Muscular system (function of muscles)
Muscle cells (fibers)
Groups of muscle fibers are wrapped in
Myofibrils
Electrical impulses
joined side to side and end to end ... contain fine, thread lik…
a membrane sheath (fascia) to form an individual muscle
contract when stimulated by electrical impulses from nerves…
from nerves initiate muscle contraction
Muscle cells (fibers)
joined side to side and end to end ... contain fine, thread lik…
Groups of muscle fibers are wrapped in
a membrane sheath (fascia) to form an individual muscle
Unit 6 : Joints and the Muscular System Gross Anatomy Part 2 (Muscle Functions)
Sternocleidomastoid (2)
Semispinalis capitis
Splenius capitis and Splenius cervicis…
Erector spinae (sacrospinalis)
major muscle flexor and rotation of head
synergizes sternocleidomastoid
Head extension, rotation and lateral flexion
back extension and lateral flexion
Sternocleidomastoid (2)
major muscle flexor and rotation of head
Semispinalis capitis
synergizes sternocleidomastoid
34 terms
Unit 5 - The Muscular System
Muscle fiber
Skeletal muscle tissue
Cardiac muscle tissue
Smooth muscle tissue
a single muscle cell
Striated, mostly voluntary (respiratory is involuntary), mult…
Forms most of the wall of the heart; consists of branched, st…
No striations and involuntary; found in walls of hollow organ…
Muscle fiber
a single muscle cell
Skeletal muscle tissue
Striated, mostly voluntary (respiratory is involuntary), mult…
22 terms
Muscular System
contract
bundle
fibers
striated
tighten up
a group
a group of cells, also called tissues
has lines
contract
tighten up
bundle
a group
Structures and Functions of the Muscular System
What is the essential function of the…
What are the three types of muscles?
Cardiac muscle
Smooth muscle
To contract (shorten) muscles, causing body movement
Cardiac, smooth, and skeletal
Muscle tissue found only in the heart.... Is striated and involu…
Muscle tissue that has no striations and is involuntary. Foun…
What is the essential function of the…
To contract (shorten) muscles, causing body movement
What are the three types of muscles?
Cardiac, smooth, and skeletal
45 terms
Muscular System
Origin
Fascia
Insertion
Agonist
The immovable attachment point of a muscle
Layer of connective tissue that separates individual muscles.
The moveable end of a muscle
(prime mover) - cause primary movement when it contracts
Origin
The immovable attachment point of a muscle
Fascia
Layer of connective tissue that separates individual muscles.
12 terms
Muscular system
Frontalis
Temporalis
Occipitalis
Orbicularis Oculi
Frontalis
Temporalis
Unit 5 - The Muscular System
Muscle fiber
Skeletal muscle tissue
Cardiac muscle tissue
Smooth muscle tissue
a single muscle cell
Striated, mostly voluntary (respiratory is involuntary), mult…
Forms most of the wall of the heart; consists of branched, st…
No striations and involuntary; found in walls of hollow organ…
Muscle fiber
a single muscle cell
Skeletal muscle tissue
Striated, mostly voluntary (respiratory is involuntary), mult…
Ch 10 & 11: Muscle Tissue & Muscular System
Epimysium
Perimysium
Endomysium
Fascicle
Outer layer of connective tissue surrounding a muscle. Contin…
Connective tissue surrounding each fascicle, or group, of mus…
Connective tissue surrounding a single muscle fiber.
A bundle of muscle fibers
Epimysium
Outer layer of connective tissue surrounding a muscle. Contin…
Perimysium
Connective tissue surrounding each fascicle, or group, of mus…
81 terms
Ch.9 The Muscular System: Skeletal Muscle Tissue and Organization
Skeletal Muscle... Cardiac Muscle... Smooth…
Move the body by pulling... on bones of t…
Pushes blood through the arteries and…
pushes fluid and solids along the dige…
3 types of Muscle Tissue
Role of Skeletal Muscle Tissue
Role of Cardiac Muscle Tissue
Role of Smooth Muscle Tissue
Skeletal Muscle... Cardiac Muscle... Smooth…
3 types of Muscle Tissue
Move the body by pulling... on bones of t…
Role of Skeletal Muscle Tissue
34 terms
Muscular System
neurotransmitter
smooth
skeletal
acetylcholine
Chemical released by neurons that may, upon binding to recept…
Spindle shaped cells with one centrally located nucleus and n…
Muscle composed of cylindrical multinucleate cells with obvio…
Chemical transmitter substance released by some nerve endings…
neurotransmitter
Chemical released by neurons that may, upon binding to recept…
smooth
Spindle shaped cells with one centrally located nucleus and n…
37 terms
The Muscular System
Muscle fiber
Skeletal muscle tissue
Cardiac muscle tissue
Smooth muscle tissue
a single muscle cell
Striated, mostly voluntary (respiratory is involuntary), mult…
Forms most of the wall of the heart; consists of branched, st…
No striations and involuntary; found in walls of hollow organ…
Muscle fiber
a single muscle cell
Skeletal muscle tissue
Striated, mostly voluntary (respiratory is involuntary), mult…
199 terms
Muscular System
Muscle Fibers
Myofibrils
Myofilaments
Actin
A cylindrical multinucleate cell composed of myofibrils that…
any of the elongated contractile threads found in striated mu…
filaments of myofibrils, constructed from proteins, principal…
A protein that forms (together with myosin) the contractile f…
Muscle Fibers
A cylindrical multinucleate cell composed of myofibrils that…
Myofibrils
any of the elongated contractile threads found in striated mu…
Muscle types and the functions of the muscular system
Functions of the Muscular system
contraction
Involuntary contractions
Voluntary contractions
1. movement ... 2. protection of joints... 3. generate heat ... 4. mai…
ability of a muscle to shorten in length
without control
with control
Functions of the Muscular system
1. movement ... 2. protection of joints... 3. generate heat ... 4. mai…
contraction
ability of a muscle to shorten in length
111 terms
The Muscular System- Skeletal Muscle Tissue and Muscle Organization
Muscle Tissue
Muscle fibers
Three types of muscle tissue
Skeletal muscle
One of four primary tissue types consists chiefly of muscle f…
Elongate cells, each capable of contracting along its longitu…
1)Skeletal... 2)Cardiac... 3)Smooth
Tissue moves the body by pulling bones of the skeleton
Muscle Tissue
One of four primary tissue types consists chiefly of muscle f…
Muscle fibers
Elongate cells, each capable of contracting along its longitu…
21 terms
Muscle Fiber Model (Altay; BIO 210)
sarcolemma
endomysium
myofibril
thick myofilament
Identify the membrane.
Identify the tissue layer.
Identify the structure.
Identify the structure.
sarcolemma
Identify the membrane.
endomysium
Identify the tissue layer.
24 terms
The Muscular System A&P
Muscle fiber
Skeletal muscle tissue
Cardiac muscle tissue
Smooth muscle tissue
a single muscle cell
Striated, mostly voluntary (respiratory is involuntary), mult…
Forms most of the wall of the heart; consists of branched, st…
No striations and involuntary; found in walls of hollow organ…
Muscle fiber
a single muscle cell
Skeletal muscle tissue
Striated, mostly voluntary (respiratory is involuntary), mult…
53 terms
Chapter 8 Muscular System
fascia
aponeuroses
epimysium
perimysium
layers of fibrous connective tissue
broad fibrous connective tissue sheets
surrounds entire muscle
Connective tissue surrounding a fascicle
fascia
layers of fibrous connective tissue
aponeuroses
broad fibrous connective tissue sheets
126 terms
Ch. 9-11 The Muscular System & Muscle Function
4 general muscle functions
3 types of muscle tissues
skeletal muscle tissue
cardiac muscle tissue
1. movement of bones (locomotion) or fluids ... ex: blood... 2. ma…
1. skeletal... 3. cardiac... 4. smooth`
- attached to bones and skin... - striated... - voluntary... - powerfu…
- only in the heart... - striated... - involuntary
4 general muscle functions
1. movement of bones (locomotion) or fluids ... ex: blood... 2. ma…
3 types of muscle tissues
1. skeletal... 3. cardiac... 4. smooth`
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
Muscular tissue of the muscular system
muscular tissue of the muscular system…
striated muscle
cardiac muscle
smooth muscle
collection of specialized cells that contract
skeletal; voluntary; arranged in striped bundles; can only ac…
autonomic
digestive; autonomic
muscular tissue of the muscular system…
collection of specialized cells that contract
striated muscle
skeletal; voluntary; arranged in striped bundles; can only ac…
5 terms
Anatomy of the Muscle Fiber
Sarcolemma
Sarcomere
Sarcoplasmic reticulum
Actin
Plasma membrane of skeletal muscle cell
Contractile unit between two Z discs
Stores and releases calcium for muscle contraction
Thin filament in the sarcomere
Sarcolemma
Plasma membrane of skeletal muscle cell
Sarcomere
Contractile unit between two Z discs
Thibodeau: Ch7 The Muscular System
intercalated disks
muscle tissue and connective tissue
endomysium
fascicle
dark bands that help the cardiac muscle contract as a unit
two types of tissue that compose the muscle organ
fibrous connective tissue that wraps around each muscle fiber
the term for group of muscle fibers
intercalated disks
dark bands that help the cardiac muscle contract as a unit
muscle tissue and connective tissue
two types of tissue that compose the muscle organ
46 terms
Muscular System
Muscles
Tendon
Fascia
Fascicle
Organs of the Muscular System
Connects muscle to bone
Layer of connective tissue that separates individual muscles.
A bundle of muscle fibers
Muscles
Organs of the Muscular System
Tendon
Connects muscle to bone
Chapter 6: The Muscular System
Muscles
Skeletal Muscle
Endomysium
Perimysium
A type of tissue which is responsible for movement in body. T…
One of the three types of muscles. Muscles move voluntarily a…
A connective tissue wrapping which wraps itself around a sing…
A connective tissue wrapping which wraps itself around a fasc…
Muscles
A type of tissue which is responsible for movement in body. T…
Skeletal Muscle
One of the three types of muscles. Muscles move voluntarily a…
37 terms
Muscular System Chapter 24
3 types of muscle tissue
involuntary striated
voluntary striated
involuntary, one nucleus, tapered ends
skeletal, cardiac, smooth
cardiac muscle
skeletal muscle
smooth muscle
3 types of muscle tissue
skeletal, cardiac, smooth
involuntary striated
cardiac muscle
54 terms
Chapter 9- Muscular System
Label the superficial muscles
label
List the 3 types of muscles.
Fascia
Skeletal muscle... Smooth Muscle... Cardiac Muscle
Layers of dense connective tissue that separate and hold in p…
Label the superficial muscles
label
32 terms
The Muscular System
Muscle fiber
Skeletal muscle tissue
Cardiac muscle tissue
Smooth muscle tissue
a single muscle cell
Striated, mostly voluntary (respiratory is involuntary), mult…
Forms most of the wall of the heart; consists of branched, st…
No striations and involuntary; found in walls of hollow organ…
Muscle fiber
a single muscle cell
Skeletal muscle tissue
Striated, mostly voluntary (respiratory is involuntary), mult…
Chapters 9 & 10 (Muscular System) Word Roots, Muscle Structure Vocabulary
stalsis
stria
agon
myo
constriction
steak
contest
muscle
stalsis
constriction
stria
steak
38 terms
Muscular System
Functions of Muscles
Pectorails Major
Latissimus Doris
Deltoid Group
-Motion ... -Stabilization of body movement ... -Heat production ... -…
Shoulder Joint ... -flexion... -adduction... -transvers adduction ... -in…
Shoulder Joint ... -extension ... -adduction ... -transverse rotation
Shoulder Joint ... -Anterior: flexion, internal rotation, transv…
Functions of Muscles
-Motion ... -Stabilization of body movement ... -Heat production ... -…
Pectorails Major
Shoulder Joint ... -flexion... -adduction... -transvers adduction ... -in…
Muscular system structures + functions
muscle fibers
fascia
skeletal muscles
smooth muscles
long slender cells that make up muscles... held together by conn…
sheet of fibrous connective tissue that covers, supports, and…
attached to bones of the skeleton... make body movement possible…
located in the walls of internal organs... move and control flow…
muscle fibers
long slender cells that make up muscles... held together by conn…
fascia
sheet of fibrous connective tissue that covers, supports, and…
7 terms
microscopic anatomy of skeletal muscle fiber
sarcoplasm
glycogen
myoglobin
myofibrils
the cytoplasm within a muscle fiber (cell)
a large molecule that is made of many glucose molecules that…
carries oxygen
thin threads that extend the length of a muscle fiber
sarcoplasm
the cytoplasm within a muscle fiber (cell)
glycogen
a large molecule that is made of many glucose molecules that…
Muscular System Functional Terms
aerobic
anerobic
acetylcholine (ACh)
adenosine triphospate (ATP)
with oxygen
without oxygen
neurotransmitter between neuron and voluntary muscle
energy molecule needed for muscle contraction and relacation
aerobic
with oxygen
anerobic
without oxygen
Muscle Fiber Microscopic
perimysium
epimysium
sarcomere
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
Chapter 6- The Muscular System 6.1-6.17
three basic types of mucsle
Striated
Voluntary
Endomysium
-Skeletal muscle... -Cardiac muscle... -Smooth muscle
Have visible banding
Subject to conscious control
around single muscle fiber
three basic types of mucsle
-Skeletal muscle... -Cardiac muscle... -Smooth muscle
Striated
Have visible banding
53 terms
Muscular system
Skeletal
Hypertrophy
Perimysium
Muscle fatigue
Muscle that is voluntary
Condition where the muscle enlarges
Covers a bundle of muscle fibers
Condition when a muscle loses the ability to be able to contr…
Skeletal
Muscle that is voluntary
Hypertrophy
Condition where the muscle enlarges
12 terms
Anatomy of muscle fiber
Cardial
Functions of muscle
Fascicles
Epimysium
Unvoluntary, found in heart
-produce movement... -maintain posture... -stabilize joints in skel…
Muscles composed of fibers arranged in bundles
Outermost layer, surrounds entire muscle
Cardial
Unvoluntary, found in heart
Functions of muscle
-produce movement... -maintain posture... -stabilize joints in skel…
31 terms
4 functions of muscular system
movement
posture
joint stability
heat production
muscles contract, cause movement at joints
hold you upright
hold bones/joints inplace and allows movement
muscles contract and cause blood to flow to the area heat
movement
muscles contract, cause movement at joints
posture
hold you upright
Muscular System Facts
Skeletal muscle
Smooth muscle
Cardiac muscle
Functional Units
voluntary, striated
non-voluntary, visceral
striated, located in the heart
myofibrils
Skeletal muscle
voluntary, striated
Smooth muscle
non-voluntary, visceral
7. Functional Organization of the Muscular System
Skeletal muscle
Cardiac muscle
Smooth muscle
-skeletal muscle ... -cardiac muscle... -smo…
under voluntary control, moves or stabilizes the skeleton, gu…
involuntary movement, moves blood and maintains blood pressur…
involuntary movement, moves food, urine and reproductive trac…
What are the 3 types of muscle?
Skeletal muscle
under voluntary control, moves or stabilizes the skeleton, gu…
Cardiac muscle
involuntary movement, moves blood and maintains blood pressur…
117 terms
Chapter 6 Muscular System
Three basic muscle types
contracting or shortening is an essent…
_______ and ______ muscle cells are el…
muscle cell=
skeletal... smooth ... cardiac
muscle
skeletal and smooth
muscle fiber
Three basic muscle types
skeletal... smooth ... cardiac
contracting or shortening is an essent…
muscle
Module 5 The Muscular System
cardiac muscle
smooth muscle
skeletal muscle
striated
1. Forms the wall of the heart. 2. Is striated. 3. Is involun…
Involuntary, non striated muscle that controls movement of in…
Description: long, cylindrical, multinucleate cells; obvious…
striped, grooved, or banded
cardiac muscle
1. Forms the wall of the heart. 2. Is striated. 3. Is involun…
smooth muscle
Involuntary, non striated muscle that controls movement of in…
8 terms
Muscular System
Muscular System
Voluntary Muscles Fibers
Involuntary Muscle Fibers
Muscle Tissue
Works with the Skeletal System to help with movement.
You can control them.
You CANNOT control them.... They activate on their own.
Contract or shorten to make parts of your body move.
Muscular System
Works with the Skeletal System to help with movement.
Voluntary Muscles Fibers
You can control them.
25 terms
Anatomy of Muscular System
Tendon
An aponeurosis
Fascicle
Perimysium
Tough fibrous tissue which connects skeletal muscle to bones.
is a flat broad area of connective tissue which allows tendon…
a group of muscle fibres
this is a covering which surrounds a fascicle( bundle) muscle…
Tendon
Tough fibrous tissue which connects skeletal muscle to bones.
An aponeurosis
is a flat broad area of connective tissue which allows tendon…
Muscular System
Sarcomere
Function of muscle
Epimysium
Fascia
contractile unit of muscle fiber
produce movement
covers entire skeletal muscle
on the outside of epimysium
Sarcomere
contractile unit of muscle fiber
Function of muscle
produce movement
64 terms
anatomy-- The muscular system pt 1
muscles
skeletal; cardiac; smooth
elongated
fiber
_______________are responsible for all types of body movement…
Three basic muscle types are found in the body
muscle cells are _____
muscle cell = muscle ___
muscles
_______________are responsible for all types of body movement…
skeletal; cardiac; smooth
Three basic muscle types are found in the body
45 terms
"Muscular System" - Chapter 6: The Muscular System
Muscles
Skeletal Muscle
Endomysium
Perimysium
A type of tissue which is responsible for movement in body. T…
One of the three types of muscles. Muscles move voluntarily a…
A connective tissue wrapping which wraps itself around a sing…
A connective tissue wrapping which wraps itself around a fasc…
Muscles
A type of tissue which is responsible for movement in body. T…
Skeletal Muscle
One of the three types of muscles. Muscles move voluntarily a…
15 terms
Structure and Function of the Muscular System
Agonist
Antagonist
Concentric
Contractility
role played by a skeletal muscle to cause a movement
role played by a skeletal muscle to slow or stop a movement
a type of contraction that results in shortening of a muscle
the ability to contract or shorten
Agonist
role played by a skeletal muscle to cause a movement
Antagonist
role played by a skeletal muscle to slow or stop a movement
40 terms
Unit 6- The Muscular System
Muscle fiber
Skeletal muscle tissue
Cardiac muscle tissue
Smooth muscle tissue
a single muscle cell
Striated, mostly voluntary (respiratory is involuntary), mult…
Forms most of the wall of the heart; consists of branched, st…
No striations and involuntary; found in walls of hollow organ…
Muscle fiber
a single muscle cell
Skeletal muscle tissue
Striated, mostly voluntary (respiratory is involuntary), mult…
11 terms
Muscular System
muscular system
smooth muscle
cardiac muscle
skeletal muscle
purpose: movement of the body and organs
Found inside organs like intestines and the stomach
Muscle of the heart
A muscle that is attached to the bones of the skeleton and mo…
muscular system
purpose: movement of the body and organs
smooth muscle
Found inside organs like intestines and the stomach
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