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An offshoot or subdivision arising from the bifurcation of a blood vessel, a lymph vessel, or a nerve.
In anatomy, a branch; such as, a branch of a blood vessel or nerve. An example is the ramus acetabularis arteriae circumflexae femoris medialis is the branch of an artery that goes to the socket of the hip joint.
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A primary division of a spinal nerve that supplies the lateral and ventral portions of the body wall, limbs, and perineum (the region of the abdomen surrounding the urogenital and anal openings).
One of the collateral branches of each primary bronchus.
The vertical portion of the mandible (the lower jaw of a human or animal, usually containing a single bone).
One of the primary branches of a spinal nerve that re-enters the vertebral foramen (large opening in a vertebra formed by its body and its arch) and supplies the meninges and vertebral column.
Meninges are a series of membranous layers of connective tissue that protect the central nervous system (brain and spinal cord).
Damage or infection to the meninges; such as, in meningitis, can cause serious neurological damage and even death.
One of the primary branches of a spinal nerve that supplies the muscles and skin of the back of the body.
ramus communicans, white ramus communicans, gray ramus communicans
One of the primary branches of a spinal nerve that connects with a sympathetic ganglion (a structure that contains a dense cluster of nerve cells).
Each one consists of a white portion (white ramus communicans) composed of myelinated pregangionic sympathetic fibers and a gray portion (gray ramus communicans) composed of unmyelinated postganglionic fibers.
ramus of the mandible
1. One of the two prominent, projecting back parts of the horse-shoe-shaped lower jaw bone.
2. A quadrilateral process projecting upwards from the posterior part of either side of the mandible.