Abdomen - Textbook Flashcards
(73 cards)
Name the layers of the abdominal muscles from outermost to innermost
- External abdominal oblique
- Internal abdominal oblique
- Transverse abdominis
What is the Rectus Abdominis?
connective tissue from the 3 layers of abdominal muscles that extends forward to encase a vertical muscle of the anterior abdominal wall
What is Aponeurosis?
thin sheath of connective tissue that connects muscle to bone (similar to tendons)
What is Linea Alba?
a white line formed by the joining of muscle fibers and aponeurosis at the midline of the abdomen
What is the function of abdominal muscles?
protect internal organs and allow normal compression during functional activities such as sneezing, coughing, urination, defecation, and childbirth
What are the 9 abdominal regions?
- Right hypochondriac
- Epigastric
- Left hypochondriac
- Right lumbar
- Umbilical
- Left lumber
- Right iliac (inguinal)
- Hypogastric
- Left iliac (inguinal)
What contents can be found in the RUQ? (10)
Ascending and transverse colon, duodenum, gallbladder, hepatic flexure of colon, liver, pancreas (head), pylorus, right adrenal gland, right kidney (upper pole), right ureter
What contents can be found in the RLQ? (7)
Appendix, ascending colon, cecum, right kidney (lower pole), right ovary and tube, right ureter, right spermatic cord
What contents can be found in the LUQ? (8)
Left adrenal gland, left kidney (upper pole), left ureter, pancreas (body and tail), spleen, splenic flexure of colon, stomach, transverse descending
What contents can be found in the LLQ? (5)
Left kidney (lower pole), left ovary and tube, left ureter, left spermatic cord, descending and sigmoid colon
What contents can be found in the midline area? (3)
bladder, uterus, and prostate gland
What lines the abdominal cavity?
thin, shiny, serous membrane called the parietal peritoneum
What provides a protective covering for most of the internal abdominal organs?
visceral peritoneum
What is Solid viscera? Provide examples
organs that maintain their shape consistently (ie liver, pancreas, spleen, adrenal glands, kidneys, ovaries, and uterus)
What is Hollow viscera? Provide examples
organs that change shape depending on their contents (ie stomach, gallbladder, small intestine, colon, and bladder)
If palpable, the liver can be found below the _________ and has a _____ consistency.
right costal margin; soft
What is the function of the liver? (7)
- accessory digestive organ
- glucose storage
- formation of blood plasma proteins and clotting factors
- urea synthesis
- destruction of RBC
- storage of iron and vitamins
- detoxification
Is the pancreas normally palpable? Where is it located?
no and mostly located behind the stomach
What are the functions of the pancreas? (2)
- is an endocrine gland
- accessory organ of digestion
When the spleen _______, the _______ extends down and toward the midline.
enlarges; lower tip
What does the spleen do? (3)
- filter the blood of cellular debris
- digest microorganisms
- return the breakdown products to the liver
What do the kidneys do? (4)
- filtration
- elimination of metabolic waste products
- play a role in BP and maintenance of water, salt, and electrolytes
- endocrine gland by secreting hormones (erythropoietin and renin)
What hormones do the kidneys secrete?
erythropoietin and renin
What is the purpose of the gallbladder?
concentrate and store bile that’s needed to digest fat