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How are muscle fibers arranged to form a muscle?
Muscle fibers can be arranged into two basic structural patterns, fusiform and pinnate. Most human muscles are fusiform, with the fibers largely arranged parallel along the muscle's longitudinal axis. In many of the larger muscles the fibers are inserted obliquely into the tendon, and this arrangement resembles a feather. The fibers in a pinnate (feather) muscle are shorter than those of a fusiform muscle. The arrangement of pinnate muscle fibers can be single or double, as in muscles of the forearm, or multipinnate, as in the gluteus maximus or deltoid.
What arrangement of cardiac muscle fibers make the heart efficient?
Cardiac muscle fibers are arranged in a crisscross pattern, allowing for efficient contraction and relaxation of the heart. This arrangement helps coordinate the pumping action of the heart and ensures effective blood flow throughout the body.
What do you call collection of nerve fibers in the brain longitudinal in form?
The collection of nerve fibers in the brain that are longitudinal in form is called a "fasciculus." Fasciculi are bundles of nerve fibers that travel together and share a common function or destination within the brain.
How are molecules in wood arranged?
molecules are arranged in good order along the fibers
In the gastrointestinal tract where is myenteric plexus?
in wall of GIT the muscularis layer is composed of longitudinal and circuler fibers and the myentric nerve which is the part of enteric nervoius system is present between the longitudinal and circuler fibers
How are muscle fibers arranged to form a muscle?
Muscle fibers can be arranged into two basic structural patterns, fusiform and pinnate. Most human muscles are fusiform, with the fibers largely arranged parallel along the muscle's longitudinal axis. In many of the larger muscles the fibers are inserted obliquely into the tendon, and this arrangement resembles a feather. The fibers in a pinnate (feather) muscle are shorter than those of a fusiform muscle. The arrangement of pinnate muscle fibers can be single or double, as in muscles of the forearm, or multipinnate, as in the gluteus maximus or deltoid.
Why are muscles arranged in circular and longitudinal layer?
In smooth muscle these transitionally alternating muscle fibers help to serve the actions of peristalsis. As the circular fibers contract the tube (lumen) constricts and as the longitudinal fibers contract it opens up the lumen.
What is the muscle fiber arrangement in a pennate muscle?
short fibers, arranged obliquely to their tendons
What arrangement of cardiac muscle fibers make the heart efficient?
Cardiac muscle fibers are arranged in a crisscross pattern, allowing for efficient contraction and relaxation of the heart. This arrangement helps coordinate the pumping action of the heart and ensures effective blood flow throughout the body.
What is the arrangement of fascicles in orbicularis oris?
The arrangement of the fascicles in orbicularis oris is circular.
What do you call collection of nerve fibers in the brain longitudinal in form?
The collection of nerve fibers in the brain that are longitudinal in form is called a "fasciculus." Fasciculi are bundles of nerve fibers that travel together and share a common function or destination within the brain.
How are molecules in wood arranged?
molecules are arranged in good order along the fibers
Quartz crystals arranged in parallel fibers a gemstone?
chalcedony
How are the muscle cells arranged with respect to one another?
Muscle fibers are grouped into fascicles, these fascicles form a muscle. The fascicles are arranged in 3 basic patterns. Parallel fascicles are arranged length wise in a parallel form. Circular fascicles are arranged in rings in a concentric pattern. Pennate fascicles are arranged in a feather pattern, with muscles arranged like a feather attached to a tendon along its length.
What muscle arrangement fibers run tangentially or feather?
The Pennate arrangement. The fascicles attach obliquely to the tendon.
In the gastrointestinal tract where is myenteric plexus?
in wall of GIT the muscularis layer is composed of longitudinal and circuler fibers and the myentric nerve which is the part of enteric nervoius system is present between the longitudinal and circuler fibers
What gives muscle fibers their striations?
The striations in muscle fibers are caused by the arrangement of contractile proteins within the fibers. These proteins, primarily actin and myosin, overlap and interlock in a regular pattern, giving the muscle fibers a striped appearance when viewed under a microscope.
