olivary body

(noun)

Located on the anterior surface of the medulla, lateral to the pyramid.

Related Terms

  • sympathetic,
  • sympathetic
  • parasympathetic system
  • sympathetic system
  • cerebellar peduncle
  • tuberculum cinereum
  • inferior olivary nucleus
  • medullary pyramid
  • digastric muscle
  • hypoglossal nerve

(noun)

Either of a pair of prominent oval structures in the medulla oblongata containing the olivary nuclei. These structures are involved in cerebellar motor learning and the perception of sound.

Related Terms

  • sympathetic,
  • sympathetic
  • parasympathetic system
  • sympathetic system
  • cerebellar peduncle
  • tuberculum cinereum
  • inferior olivary nucleus
  • medullary pyramid
  • digastric muscle
  • hypoglossal nerve

Examples of olivary body in the following topics:

  • Hypoglossal (XII) Nerve

    • The hypoglossal nerve emerges from the medulla oblongata in the preolivary sulcus where it separates the olive (olivary body) and the pyramid (medullary pyramid).
  • Medulla Oblongata

    • This causes a syndrome called medial medullary syndrome, a type of alternating hemiplegia characterized by recurrent episodes of paralysis on one side of the body.
    • The region between the anterolateral and posterolateral sulcus in the upper part of the medulla is marked by a swelling known as the olivary body, caused by a large mass of gray matter known as the inferior olivary nucleus.
  • Functions of the Cerebellum

    • A module consists of a small cluster of neurons in the inferior olivary nucleus, a set of long narrow strips of Purkinje cells in the cerebellar cortex (microzones), and a small cluster of neurons in one of the deep cerebellar nuclei.
  • Functions of the Cerebellum in Integrating Movements

    • A module (a multizonal microcompartment in the terminology of Apps and Garwicz) consists of a small cluster of neurons in the inferior olivary nucleus, a set of long narrow strips of Purkinje cells in the cerebellar cortex (microzones), and a small cluster of neurons in one of the deep cerebellar nuclei.
  • Water Content in the Body

    • In physiology, body water is the water content of the human body.
    • It makes up a significant percentage of total body composition.
    • The water in the body is distributed among various fluid compartments that are interspersed in the various cavities of the body through different tissue types.
    • Body water is regulated largely by the renal and neuro-endocrine systems.
    • There are many clinical methods to determine body water.
  • Body Planes and Sections

    • Body planes are hypothetical geometric planes used to divide the body into sections.
    • The sagittal plane (lateral or Y-Z plane) divides the body into sinister and dexter (left and right) sides.
    • It is typically a horizontal plane through the center of the body and is parallel to the ground.
    • Body planes are used to describe anatomical motion in the X-Y-Z coordinate system that the body moves through.
    • Anatomical change during embryological development is also described and measured with body planes.
  • Tissues in Levels of Organization

    • The human body is organized at several levels of scale that can each be examined.
    • The human body has many levels of structural organization.
    • Each tissue type has a characteristic role in the body:
    • Each organ is a specialized functional center responsible for a specific function of the body.
    • List the various levels of structural organization that make up the human body
  • Thermoregulation

    • If the body must cool down, the body vasodilates these blood vessels. 
    • This allows for our body to release a lot of body heat through radiation. 
    • The body also thermoregulates via the process of sweating (perspiration).
    • In addition, our body thermoregulates using our hair. 
    • Finally, while technically not a thermoregulatory mechanism, the fat associated with our skin does help insulate our body and therefore increases body temperature as a result.
  • Waste Management in Other Body Systems

    • The liver also plays an important function in the management of body waste.
    • It acts as a detoxification system for the body, processing and neutralizing drugs and toxins.
    • While the liver may breakdown or neutralize waste in a different and safer form for the body, it doesn't directly remove the waste from the body.
    • The lungs are responsible for the removal of gaseous waste from the body.
    • The lungs are responsible for the removal of gaseous waste from the body.
  • Body Cavities

    • Vertebrates have fluid-filled spaces called body cavities that contain the organs.
    • By the broadest definition, a body cavity is any fluid-filled space in a multicellular organism.
    • "The human body cavity," normally refers to the ventral body cavity because it is by far the largest one in volume.
    • The dorsal cavity is a continuous cavity located on the dorsal side of the body.
    • This is the most narrow of all body cavities, sometimes described as threadlike.
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