origin

Physiology

(noun)

The relatively immovable point of attachment for a muscle.

Related Terms

  • smooth
  • Levers can also vary based on the relative position of the load, pivot, and point of force application.
  • cardiac muscle
  • Flexion
  • extensors
  • Abduction
  • adduction
  • third-class lever
  • second-class lever
  • first class lever
  • abduction
  • rotation
  • peristalsis
  • insertion
  • skeletal muscle
  • flexion
  • extension
  • flexor
  • extensor
Calculus

(noun)

the point at which the axes of a coordinate system intersect

Related Terms

  • coordinate system
Physics

(noun)

The center of a coordinate axis, defined as being the coordinate 0 in all axes.

Related Terms

  • Coordinate axes

Examples of origin in the following topics:

  • Muscles of the Wrist and Hand

    • Attachments - Originates from the ulna and attaches to the radius.
    • Attachments - Originates from the humerus and attaches to the ulna.
    • Extensor Digiti Minimi – Originates from the extensor digitorum.
    • Attachments - Originates from the wrist and attaches to the thumb.
    • Attachments - Originates from the wrist and attaches to the thumb.
  • The Cross Product

    • The cross product of two vectors is a vector which is perpendicular to both of the original vectors.
    • The result is a vector which is perpendicular to both of the original vectors.
    • Because it is perpendicular to both original vectors, the resulting vector is normal to the plane of the original vectors.
    • If the two original vectors are parallel to each other, the cross product will be zero.
    • The magnitude of vector $c$ is equal to the area of the parallelogram made by the two original vectors.
  • Posterior Muscles

    • Attachments - Originates from the spine and attaches to ribs 9 through 12.
    • Attachments – Originates from the upper spine and attaches to the skull.
    • All three originate from a common tendon associated with the pelvis.
    • Attachments - A broad origin on the upper regions of the spine, with each origin attaching several vertebrae higher or to the skull.
    • Attachments – A broad origin up the length of the spine, with each origin attaching several vertebrae higher.
  • Neck Muscles

    • It originates from the mandible and attaches to the hyoid bone.
    • Attachments – Originates from the upper spine and attaches to the skull.
    • Attachments - Originates from the spine and attaches several vertebrae higher.
    • Attachments - A broad origin on the upper regions of the spine, with each origin attaching several vertebrae higher or to the skull.
    • Attachments – A broad origin up the length of the spine, with each origin attaching several vertebrae higher.
  • Evolution of Viruses

    • Although biologists have accumulated a significant amount of knowledge about how present-day viruses evolve, much less is known about how viruses originated in the first place.
    • While most findings agree that viruses don't have a single common ancestor, scholars have yet to find one hypothesis about virus origins that is fully accepted in the field .
    • One possible hypothesis, called devolution or the regressive hypothesis, proposes to explain the origin of viruses by suggesting that viruses evolved from free-living cells.
    • As technology advances, scientists may develop and refine further hypotheses to explain the origin of viruses.
    • These researchers hope to one day better understand the origin of viruses, a discovery that could lead to advances in the treatments for the ailments they produce.
  • The Origins of Language

    • The origin of language is a widely discussed and controversial topic due to very limited empirical evidence.
    • The origin of language in the human species is a widely discussed topic.
    • There is no consensus on ultimate origin or age.
    • Theories about the origin of language can be divided according to their basic assumptions.
    • The origin of language in the human species is a widely discussed topic.
  • Muscles that Cause Movement at the Foot

    • Attachments - Originates from the heel and attaches to the toes.
    • Attachments - Originates from the fibula and attaches to the big toe.
    • Attachments - Originates from the heel and attaches to the big toe.
    • Attachments - Originates from the heel and attaches to the little toe.
    • Attachments - Originates from the tendons of flexor digitorum longus.
  • Components of a Vector

    • To visualize the process of decomposing a vector into its components, begin by drawing the vector from the origin of a set of coordinates.
    • Next, draw a straight line from the origin along the x-axis until the line is even with the tip of the original vector.
    • To find the vertical component, draw a line straight up from the end of the horizontal vector until you reach the tip of the original vector.
    • You should find you have a right triangle such that the original vector is the hypotenuse.
    • The original vector, defined relative to a set of axes.
  • Racial and Ethnic Diversity in the U.S.

    • White are considered those having origins in any of the original peoples of Europe, the Middle East, or North Africa ; Black or African American are considered those having origins in any of the Black racial groups of Africa ; Native American are considered those having origins in any of the original peoples of North, Central and South America, and who maintain tribal affiliation or community attachment; Asian are considered those having origins in any of the original peoples of the Far East, Southeast Asia, and the Indian subcontinent ; Pacific Islanders are those having origins in any of the original peoples of Hawaii, Guam, Samoa, or other Pacific Islands; see also Pacific Islander American.
    • The question on Hispanic or Latino origin is separate from the question on race.
    • "Hispanic or Latino origin" is a self-designation made by 47 million Americans, as of 2008.
    • They have origins in the Spanish-speaking nations of Latin America, chiefly, whereas a small percentage traces their origins to Spain.
    • Discuss the origins and characteristics of each of the races in the United States
  • Clavicle

    • The shaft of the clavicle acts as the origin and attachment point for numerous muscles and ligaments.
    • At the medial end of the shaft the pectoralis major originates from the anterior surface, the posterior surface gives origin to the sternohyoid muscle and the superior surface the sternocleidomastoid muscle.
    • Laterally the deltoid muscle originates from the anterior surface and the trapezius muscle attaches to the posterior surface at the trapezoid line.
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