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human anatomy

The muscular system

QuestionAnswer
(Anatomy of muscles) What are the 3 types of muscles? Skeletal Muscle, Cardiac Muscle, Smooth muscle.
(Anatomy of the muscle) What does the Skeletal muscle do? Moves body by pulling bones; each cell is a single muscle fiber; each muscle is an organ; Primarily muscle cells plus connective tissues, nerves, and blood vessels.
(Anatomy of the muscle) Where is the Cardiac muscle found? Only found in heart
(Anatomy of the muscle) What does the Cardiac muscle tissue do? Contractions in the heart propel blood through the blood vessels
(Anatomy of the muscle) What does the skeletal muscle tissue do? Contractions move the body by pulling on bones of the skeleton, making it possible for us to walk, dance, bite an apple, or play the ukulele.
(Anatomy of the muscle) What does the smooth muscle do? Forms most viscera (organs)
(Anatomy of the muscle) What does the smooth muscle tissue do? Contractions move fluids and solids along the digestive tract and regulate the diameters of small arteries, among other functions
(Characteristics or Muscle) What is Contractility? Contraction; goes to a smaller size.
(Characteristics or Muscle) What is irritability? Reacts to stimulus; a nervous system told it to.
(Characteristics or Muscle) What is Extensibility? Relaxation; back to normal
(Characteristics or Muscle) What is Elasticity? Stretching of muscle; way over normal
(Skeletal muscle anatomy) What are the 3 skeletal muscle connective tissue? Epimysium, Perimysium, Endomysium
(Skeletal muscle anatomy) What is the Epimysium? Connective tissue surrounding the entire muscle. Separates muscle from surrounding tissues and organs; The whole box around your shipment.
(Skeletal muscle anatomy) What is Perimysium? Connective tissue that divides muscle into compartments or bundles of cells (fascicles); Its the box that the 100 straws come in.
(Skeletal muscle anatomy) What is Endomysium ? Connective tissue that surrounds individual muscle cells or fibers; The straw
(Skeletal muscle anatomy) What are tendons? They attach muscle to the bone
(Skeletal muscle anatomy) What are Ligament? They attach bone to bone
(Skeletal muscle anatomy) What is Aponeurosis? The white muscle. its a sheet like tendon.
(Skeletal muscle anatomy) What is Muscle cells developed of? Myoblast; fuse, forming, Multinucleate cells
(Skeletal muscle anatomy) What does a myoblast do? They develop into skeletal muscle fibers, each one has a nucleus, not all myoblast fuse into a developing muscle fiber, Some stay in the endomysium to help with muscle repair most repair is of scar tissue.
(Muscle fascicle arrangements) What does Orbicularis mean? Circular
(Muscle fascicle arrangements) What does Deltoid mean? Thick triangle
(Muscle fascicle arrangements) What does Multipennate mean? Thick.
(Muscle fascicle arrangements) What does Pectoralis major mean? Flat
(Muscle fascicle arrangements) What does Convergent mean? Flat;
(Muscle fascicle arrangements) What does Unipennate mean? Like a feather but the feathers only hang to one side
(Muscle fascicle arrangements) What does Bipennate mean? Like a full feather
(Muscle fascicle arrangements) What does Parallel-fusiform mean? All the fibers are Parrell to one another. thicker
(Muscle fascicle arrangements) What does Parallel non-fusiform Mean? Flat
(Skeletal Muscle action) What is Origin? Attachment site of a muscle to a structure that does NOT move when the muscle contracts
(Skeletal Muscle action) What is Insertion? Attachment site of a muscle to a structure that MOVES when the muscle contracts
(Skeletal Muscle action) What is the Prime mover (agonist)? The primarily responsible for movement.
(Skeletal Muscle action) What is the Synergist? It assist the prime mover
(Skeletal Muscle action) What is the Antagonist? It resists the prime movers action and causes movement in the opposite direction.
(Summary of how muscles are named) What are 7 ways muscles are named by? Shape, Location, Attachment points, Size, Orientation of fibers, Relative position, functions
(Summary of how muscles are named) For attachment points what comes first? Origin and then insertion
(Summary of how muscles are named) Shape Names? Deltoid, rhombus, orbicularis
(Summary of how muscles are named) Location names? Brachialis, femoris, palmaris
(Summary of how muscles are named) Attachment point names? Sternocleidomastoid, stylohyoid
(Summary of how muscles are named) Size Names? Maximus, vastus, longus
(Summary of how muscles are named) Orientation of fiber names? Rectus, Oblique, Transverse
(Summary of how muscles are named) Relative position names? Lateralis, Medialis, Anterior
(Summary of how muscles are named) Function names? Flexor, adductor, pronator
Created by: hw0993422
 

 



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