Hypochondriac: two upper right and left regions below the cartilage of the ribs that extend over the abdomen. Epigastric: region above the stomach. Lumbar: two middle right and left regions near the waist. Umbilical: region of the navel or umbilicus.
Does positive feedback mechanism tend to increase the original stimulus?
True: Positive feedback mechanisms tend to enhance the original stimulus so that the response is accelerated.
What is the major function of serous membranes?
The part that envelops the outside of an organ is known as the visceral layer, and the one lining a part of or all of a body cavity is called the parietal layer. The main role of a serous membrane is to secrete a lubricating fluid, called serous fluid, to prevent internal organs from being rubbed raw.
Which of the following organs or structures would be found in the left iliac region?
The main organs in the left iliac fossa are the descending colon, sigmoid colon and, in women, internal reproductive organs. An infection of the left iliac fossa must lead the clinician firstly to suspect diverticulitis of the sigmoid colon in older patients and salpingitis in women of childbearing age.
Where is the right hypochondriac region?
The Upper Abdomen
Region 1 is known as the right hypochondriac region. This area is home to organs such as the liver, gallbladder, right kidney, and small intestine. Region 2 is known as the epigastric region.
What is right hypochondriac region?
The right hypochondriac region contains the right portion of the liver, the gallbladder, the right kidney, and parts of the small intestine.
What carries out a response to a stimulus?
Receptors. Receptors are groups of specialised cells. They detect a change in the environment (stimulus). In the nervous system this leads to an electrical impulse being made in response to the stimulus.
Why do positive feedback systems that are part of a normal physiological response include some mechanism that terminates the system?
Why do positive feedback systems that are part of a normal physiological response include some mechanism that terminates the system? Because positive feedback systems continually intensify or reinforce the original stimulus, some mechanism is needed to end the response.
Does negative feedback mechanisms tend to increase the original stimulus?
-Negative feedback mechanisms tend to increase the original stimulus. -Positive feedback systems are the most common kind of control mechanism in the body. Negative feedback mechanisms work to prevent sudden, severe changes within the body.
What produces serous fluid?
Serous fluid originates from serous glands, with secretions enriched with proteins and water. Serous fluid may also originate from mixed glands, which contain both mucous and serous cells. A common trait of serous fluids is their role in assisting digestion, excretion, and respiration.
What serous membrane covers the organs of the abdomen?
The peritoneum is the serous membrane that lines the abdominal cavity. It is composed of mesothelial cells that are supported by a thin layer of fibrous tissue and is embryologically derived from the mesoderm.
What is the largest membrane of the body?
The largest membrane of the body, the skin, provides a protective barrier from environmental factors such as chemicals, water, microbes and mechanical
In which abdominopelvic cavity is the stomach located?
It contains the stomach, liver, pancreas, spleen, gallbladder, kidneys, and most of the small and large intestines. It also contains the urinary bladder and internal reproductive organs. The abdominal pelvic cavity is a little pocket sac that lies way low in the base of the abdominal pelvis cavity.
Which region is superior and lateral to the umbilical region?
Epigastric region– superior to the umbilical region (above belly) Hypogastric region– inferior to the umbilical region (pubic area) Right iliac (inguinal region)-located lateral to the hypogastric region.
What is posterior body cavity?
In the posterior (dorsal) cavity, the cranial cavity houses the brain, and the spinal cavity (or vertebral cavity) encloses the spinal cord. Just as the brain and spinal cord make up a continuous, uninterrupted structure, the cranial and spinal cavities that house them are also continuous.
Why is it called right hypochondriac region?
historical usage of hypochondriac
Hypochondriac comes ultimately from the Greek word hypokhondria, which literally means “under the cartilage (of the breastbone).” In the late 16th century, when hypochondriac first entered the English language, it referred to the upper abdomen.
What does the epigastric region contain?
Epigastric Region: This region contains portions of the liver, as well as the stomach, pancreas, duodenum, spleen, and adrenal glands.
Where is the epigastric region of the abdomen quizlet?
In anatomy, the epigastrium (or epigastric region) is the upper central region of the abdomen. It is located between the costal margins and the subcostal plane.