abdominoplevic cavity

(noun)

The ventral body chamber that contains the abdominal cavity (primarily digestive system) and the pelvic cavity (primarily reproductive system).

Related Terms

  • Thoracic Cavity
  • dorsal cavity
  • coelom
  • abdominal cavity

Examples of abdominoplevic cavity in the following topics:

  • Body Cavities

    • Blood vessels are not considered cavities but may be held within cavities.
    • The dorsal cavity is a continuous cavity located on the dorsal side of the body.
    • The abdominoplevic cavity is the posterior ventral body cavity found beneath the thoracic cavity and diaphragm.
    • Humans have multiple body cavities, including the cranial cavity, the vertebral cavity, the thoracic cavity (containing the pericardial cavity and the pleural cavity), the abdominal cavity, and the pelvic cavity.
    • In mammals, the diaphragm separates the thoracic cavity from the abdominal cavity.
  • Serous Membranes

    • The pericardial cavity (surrounding the heart), pleural cavity (surrounding the lungs), and peritoneal cavity (surrounding most organs of the abdomen) are the three serous cavities within the human body.
    • Serous membranes line and enclose several body cavities, known as serous cavities, where they secrete a lubricating fluid which reduces friction from muscle movement.
    • The pericardial cavity (surrounding the heart), pleural cavity (surrounding the lungs) , and peritoneal cavity (surrounding most organs of the abdomen) are the three serous cavities within the human body .
    • While serous membranes have a lubricative role to play in all three cavities, in the pleural cavity it plays a greater role in the function of breathing.
    • Describe the function of the serous membranes in the pericardial, pleural, and peritoneal cavities
  • Serosa

    • Serous membranes line and enclose several body cavities, known as serous cavities, where they secrete a lubricating fluid that reduces friction from muscle movement.
    • The pericardial cavity (surrounding the heart), pleural cavity (surrounding the lungs) and peritoneal cavity (surrounding most organs of the abdomen) are the three serous cavities within the human body.
    • While serous membranes have a lubricative role to play in all three cavities, in the pleural cavity it has a greater role to play in the function of breathing.
    • Early in embryonic life, visceral organs develop adjacent to a cavity and invaginate into the bag-like coelom.
    • Therefore each organ becomes surrounded by serous membrane - they do not lie within the serous cavity.
  • Bilaminar Embryonic Disc Development

    • The floor of the amniotic cavity is formed by the embryonic disc.
    • The floor of the amniotic cavity is formed by the embryonic disc, which is composed of a layer of prismatic cells and the embryonic ectoderm.
    • As the embryo progresses in implantation, a small space appears in the embryoblast and forms the amniotic cavity.
    • The epiblast forms the floor of the amniotic cavity and is continuous with the amnion.
    • The hypoblast forms the roof of the exocoelomic cavity and is continuous with the thin exocoelomic membrane.
  • Inspiration

    • Inspiration begins with the contraction of the diaphragm, which results in expansion of the thoracic cavity and the pleural cavity.
    • As the volume of air inside the lung increases, the lung pushes back against the expanded pleural cavity as a result of the drop in intrapleural pressure (pressure inside the pleural cavity).
    • External intercostal muscles: muscles located in between the ribs that help the thoracic cavity (and thus pleural cavity) to expand during quiet and forced inspiration.
    • The accessory muscles assist breathing by expanding the thoracic cavity in a similar way to the diaphragm.
    • However, they expand a much smaller part of the thoracic cavity compared to diaphragm.
  • Development of the Central Nervous System

    • The CNS is contained within the dorsal cavity, with the brain in the cranial cavity and the spinal cord in the spinal cavity.
    • The telencephalon differentiates into, among other things, the striatum, the hippocampus, and the neocortex, and its cavity becomes the first and second ventricles.
    • Diencephalon elaborations include the subthalamus, hypothalamus, thalamus, and epithalamus, and its cavity forms the third ventricle.
    • The tectum, pretectum, cerebral peduncle, and other structures develop out of the mesencephalon, and its cavity grows into the mesencephalic duct (cerebral aqueduct).
    • The metencephalon becomes, among other things, the pons and the cerebellum; the myelencephalon forms the medulla oblongata; and their cavities develop into the fourth ventricle.
  • Development of the Extraembryonic Coelom

    • The extraembryonic coelum is a cavity which ultimately contains the chorion.
    • The extraembryonic coelum (or chorionic cavity) is a portion of the conceptus consisting of a cavity between Heuser's membrane and the trophoblast .
    • The extraembryonic coelumic cavity is also called the chorionic cavity, and is enclosed by the chorionic plate.
    • Artificially colored image of contents in the cavity of the uterus seen at approximately 5 weeks of gestational age by obstetric ultrasonography.
  • Orbits

    • The orbit is the cavity or socket of the skull in which the eye and its appendages are situated.
    • The orbit, or eye socket, is the cavity located in the skull in which the eye and its associated appendages are housed.
    • The orbits are conical, sometimes described as four-sided pyramidal, cavities which open in the midline of the face and point backwards.
    • The orbital cavity is formed from seven bones.
  • The Peritoneum

    • The peritoneum, the serous membrane that forms the lining of the abdominal cavity, covers most of the intra-abdominal organs.
    • The peritoneum is the serous membrane that forms the lining of the abdominal cavity or the coelom.
    • Remember not to confuse the abdominal cavity with the intraperitoneal space, which is in fact located within the abdominal cavity, and wrapped in peritoneum tissue.
    • The potential space between these two layers is the peritoneal cavity.
    • The epiploic foramen, greater sac or general cavity (red) and lesser sac, or omental bursa (blue).
  • False and True Pelves

    • This cavity is a short, curved canal, deeper on its posterior than on its anterior wall, and contains the pelvic inlet.
    • Some consider this region to be the entirety of the pelvic cavity.
    • Others define the pelvic cavity as the larger space including the false "greater" pelvis, just above the pelvic inlet .
    • Some consider this region part of the pelvic cavity, while others consider it part of the abdominal cavity (hence the name false pelvis).
    • Others compromise by referring to the area as the abdominopelvic cavity.
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