ISTHMUS RHOMBENCEPHALI Meaning and
Definition
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Isthmus rhombencephali refers to a narrow strip of neural tissue located in the brainstem, specifically within the region known as the rhombencephalon. The term "isthmus" denotes a narrow stretch or neck-like connection between two larger regions, while "rhombencephali" pertains to the hindbrain, which is the posterior part of the brain.
The isthmus rhombencephali is a critical structure that serves as a connection point between two major subdivisions of the hindbrain, namely the metencephalon and the myelencephalon. These subdivisions are responsible for various essential functions such as motor control, respiration, cardiac regulation, and sensory processing. The precise location and size of the isthmus rhombencephali may vary among individuals, but it is generally found near the midline of the brainstem, positioned between the fourth ventricle and the cerebral aqueduct.
Functionally, the isthmus rhombencephali acts as a crucial relay station, facilitating communication between different regions of the brain. It contains a dense concentration of nerve fibers, which transmit signals from the upper brain regions, such as the cerebral cortex, to the spinal cord and other areas of the hindbrain. Additionally, it plays an essential role in coordinating and fine-tuning motor movements, maintaining balance, and integrating sensory information.
Overall, the isthmus rhombencephali is a vital anatomical structure within the hindbrain, serving as a neural bridge between different brain regions and contributing to the regulation of fundamental processes crucial for our survival and daily functioning.
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Rhombencephalic i.; (1) a constriction in the embryonic neural canal separating the mesencephalon from the rhombencephalon, or metencephalon; (2) the anterior portion of the rhombencephalon connecting with the mesencephalon; it consists of the brachia conjunctiva, the trigone of the lemniscus, the anterior medullary velum, and the anterior portion of the rhomboidal fossa.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ISTHMUS RHOMBENCEPHALI
- isthmusrhombeencephali
- isthmusrhoembencephali
- i sthmus rhombencephali
- is thmus rhombencephali
- ist hmus rhombencephali
- isth mus rhombencephali
- isthm us rhombencephali
- isthmu s rhombencephali
- isthmus r hombencephali
- isthmus rh ombencephali
- isthmus rho mbencephali
- isthmus rhom bencephali
- isthmus rhomb encephali
- isthmus rhombe ncephali
- isthmus rhomben cephali
- isthmus rhombenc ephali
- isthmus rhombenceph ali
- isthmus rhombencepha li
- isthmus rhombencephal i
Etymology of ISTHMUS RHOMBENCEPHALI
The term "isthmus rhombencephali" is a biomedical term used in neuroanatomy to describe a specific region of the brainstem, which is the part of the brain that connects the spinal cord to the higher brain centers. The etymology of this term can be broken down as follows:
1. Isthmus: The word "isthmus" comes from the Greek word "isthmos" which means a narrow neck or passage. In general, it refers to a narrow strip of land connecting two larger areas. In the context of neuroanatomy, the isthmus refers to a narrow portion of the brainstem.
2. Rhombencephali: "Rhombencephali" is derived from two Greek words. Firstly, "rhombos" means rhombus or diamond shape, referring to the shape of the region it describes. Secondly, "encephalon" means brain.
