Abdomen and ventral body cavity

The Abdomen and ventral body cavity plane is the plane that divides the body or an organ into an anterior front portion and a posterior rear portion. Subdivisions of the Posterior Dorsal and Anterior Ventral Cavities The posterior dorsal and anterior ventral cavities are each subdivided into smaller cavities.

The stomach also plays an important role in storing food. Cardia, Fundus, Body or Corpus and Pylorus. A, Early fetal period. The lesser sac is frequently termed the omental bursa, which strictly speaking is a developmental term for the part that lies behind the stomach and in the greater omentum.

The rectum temporarily stores feces before they are expelled from the body. The membrane continues over the lung, where it is called the visceral pleura, and over part of the esophagus, the heart, and the great vessels, as the mediastinal pleura, the mediastinum being the space and the tissues and structures between the two lungs.

Label all structures identified. They should represent what you saw in a simplified form. The testes are wrapped by the tunica vaginalis, an extension of the peritoneum of the abdomen, and the tunica albuginea, a tough, protective sheath of dense irregular connective tissue.

Ventral body cavity

Which of the following events is NOT the result of a negative feedback mechanism? The inferior vena cava is situated posterior to the epiploic foramen, the liver is superior, and the first part of the duodenum is inferior see fig.

C, The fixation of mesenteries in the adult. The greater omentum is the membranous curtain of tissue that hangs from the stomach and contains lymph nodes, blood vessels, and fat.

The outer margin of the curved stomach is called the greater curvature, the inner margin is called the lesser curvature. A body that is lying down is described as either prone or supine. In A, the liver, right and left kidneys R.

The pleura is a continuous sheet of endothelial, or lining, cells supported by a thin base of loose connective tissue. This freedom of movement is important for organs that move or change shape such as the heart pumping and a churning stomach.

An incision through the anterior abdominal wall and parietal peritoneum enters that part of the peritoneal cavity known as the greater sac. The esophagus pierces the diaphragm and moves food from the mouth to the stomach. Directional Terms Applied to the Human Body Paired directional terms are shown as applied to the human body.

Describe any connections you observed between organs e. The root of a term often refers to an organ, tissue, or condition, whereas the prefix or suffix often describes the root.

The orbits are superior to the oris.

Ventral body cavity

Inferior or caudal describes a position below or lower than another part of the body proper; near or toward the tail in humans, the coccyx, or lowest part of the spinal column. A broad peritoneal sheet or reflection is termed an omentum the Greek word for which is epiploon.

The heart is covered by a fibrous membrane sac called the pericardium that blends with the trunks of the vessels running to and from the heart. The general relationships are shown in figures, and In A, the liver Lkidney Kright flexure, and ascending colon can be seen.

The collapse may also have a deleterious effect on the heart. The bronchial tubes branch from the trachea and enter the lungs on either side. Ventral Body cavity Like the dorsal cavity, the ventral cavity has two subdivisions. Locate the stomach on the left side just under the diaphragm.

Anatomy Body Cavities & Membranes

Which of the following is NOT a necessary human life function? Therfore these organs are more-or-less firmly bound to the posterior wall and these organs are said to be "secondarily retroperitoneal.The ventral body cavity is located near the anterior sur- face of the body and has two subdivisions, the thoracic cav- ity and the abdominopelvic cavity, which are separated by.

b: a cavity in an invertebrate animal that is analogous to a stomach When a leaf containing the bacteria is ingested by the larva of certain insects, the new gene produces a protein that attacks the stomach lining of the insect and causes death.

—The New York Times c: the part of the body that contains the stomach: belly, abdomen He was punched in the stomach.

Ventral body cavity

Thoracic cavity, also called chest cavity, the second largest hollow space of the body. It is enclosed by the ribs, the vertebral column, and the sternum, or breastbone, and is separated from the abdominal cavity (the body’s largest hollow space) by a muscular and membranous partition, the diaphragm.

The abdomen (less formally called the belly, stomach, tummy or midriff) constitutes the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. The region occupied by the abdomen is termed the abdominal cavity. Summary • The abdominal cavity is the largest of the body cavities • Abdominal wall has dorsal ventral and lateral portion • External and internal fascia covers different parts of cavity • Four types of muscles • Placement of different organs • Four major sites of laparotomy.

In addition to the anterior and posterior demarcations of the abdominal cavity, the dorsal limit of spinal cord and the ventral limit of abdominal wall are important to consider. The importance of the abdominal cavity is that it is the largest space inside the body.

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Abdomen and ventral body cavity
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