Digestive Flashcards
define ILEUM
last & longest part of small intestine
define PERITONEUM
multilayered membrane protecting & holding organs in abdominal cavity
define PARIETAL PERITONEUM
outer layer of peritoneum lining interior abdominal wall
define MESENTERY
fused double layer of parietal peritoneum that attaches parts of intestine to interior abdominal wall
define VISCERAL PERITONEUM
inner layer of peritoneum surrounding organs of abdominal cavity
define RETROPERITONEAL
behind peritoneum
List the parts/sections of the GI tract
upper: mouth to stomach
lower: small intestine to anus
accessory organs: pancreas, liver, gallbladder
define PALATE
roof of the mouth comprised of 3 parts
define HARD PALATE
anterior part of the palate covered w/mucous membranes
define SOFT PALATE
flexible, posterior part of the palate that closes the nasal passage way when swallowing
describe UVULA
structure that hangs from the soft palate (3rd part) that moves when swallowing & allows snoring/formation of sounds
define TONGUE
strong, flexible, muscle attached posteriorly
define DORSUM
upper surface of tongue w/protective covering & papillae
define SUBLINGUAL SURFACE
highly vascular part of tongue that can absorb medication
define LINGUAL FRENUM
attaches tongue to floor fo mouth to limit motion
define PERIODONTIUM
structures surrounding, supporting, & attached to teeth
define GINGIVIA
mucous membranes covering dental arches
what are other names for gingiva
masticatory mucosa or gums
define SULCUS
space between tooth & ginigva
define DENTAL ARCHES
bony structures holding teeth (maxillary & mandibular attached by TMI)
define OCCLUSION
contact between chewing surfaces of jaws
parts of the teeth
crown, root, cervix, dentin, pulp cavity/root canal, pulp
define SALIVA
substance that maintains teeth health & begins digestion (amylase)
define ESOPHAGUS
tube from pharynx to stomach
define LOWER ESOPHAGEAL/CARDIAC SPHINCTER
between esophagus & stomach to prevent regurgitation
3 parts of the stomach
fundus: upper round part
Body: main
Antrum: lower part
define RUGAE
fold in mucosa stomach lining allowing in crease & decrease in size
what comprises of gastric juices
enzymes & HCI
define PYLORIC SPHINCTER
ring @ base of stomach before duodenum
define PYLORUS
passage connecting stomach & intestine
parts of small intestine
duodenum, jejunum, ileum
define CECUM
from ileum to colon
define VERMIFORM APPENDIX
mass of lymphoid tissue hangs from lower part of cecum
define COLON
longest part of large intestine split in 4 parts
give the order of the colon parts
ascending, transverse, descending, & sigmoid
define RECTUM
last 4” of large intestines to anus
what is the anus controlled by
internal & external sphincters
define ANORECTAL
anus & rectum as 1 unit
define LIVER
removes excess blood sugar via glycogen & creates bile & bilirubin
define BILE
digest fat
define BILIRUBIN
pigment made from hemoglobin breakdown to bile
define BILIARY TREE
channels transporting bile to small intestine
define COMMON HEPATIC DUCT
trunk of biliary tree
define COMMON BILE DUCT
common hepatic duct + cystic duct
define GALLBLADDER
concentrates & store bile under liver; pushes bile thru biliary tree via contraction
define METABOLISM
all processes involving usage of nutrients
define ABSORPTION
completely digested nutrients transported to cells
define MASTICATION
chewing
define BOLUS
mass of chewed food w/saliva
define CHYME
semifluid mass of partly digested food past the stomach
define BORBORYGMUS
rumbling sound from gas/fluid movement
list pancreatic enzymes
amylase, lipase, protease, insulin
define AMYLASE
pancreatic enzyme that breaks down carbs/sugars
define LIPASE
pancreatic enzyme help break down fat
define PROTEASE
pancreatic enzyme help break down proteins
define INSULIN
pancreatic enzyme aiding in absorption of sugar
which is used more commonly: gastralgia or gastrodynia
gastralgia
another name for gastroenteritis
stomach bug
s/s: gastroenteritis
nausea, vomiting, diarrhea
s/s: gastritis
nausea & vomiting
cause: gastritis
bacteria
define ABDOMINOCENTESIS
surgical puncture of abdomen to remove fluid
define PYELITIS
inflammation of renal pelvis
define PYROSIS
discomfort bc of regurgitation of stomah acid
pyrosis is also known as
heartburn
define PERITONITIS
inflammation of peritoneum/abdominal cavity
cause: peritonitis
bacterial infection gen after ruptured organ/trauma
define CANKER SORES
gray-white pits w/red border inside mouth
canker sours are also known as
aphthous ulcers
cause: canker sores
unknown, stress, food, fever
define CHEILITIS
inflammation of lips w/crack like sores @ corners of mouth
cheilitis is also known as
cheilosis
define COLD SORES
blisters on face
cold sores are also known as
herpes labialis or fever blisters
define LEUKOPLAKIA
abnormal white & gen benign sore on tongue/inside cheek/genitalia/digestive tract/urinary tract
cause: leukoplakia
chronic irritation of mouth (or other structure)
define STOMATITIS
inflammation of mucosa of mouth
define ORAL THRUSH
fungal infection of mouth w/creamy white lesions on tongue/inner cheek
oral thrush is generally seen in what demographic
infants, seniors w/weak immune system, ppl on antibiotics
define TRISMUS
restriction to opening mouth
cause: trismus
trauma, surgery, radiation
trismus is also called
lock jaw
trismus can impaire what
speaking, swallowing, & nutrition
xerostomia is also called what
dry mouth
cause of xerostomia
medications or radiation
s/s: xerostomia
discomfort, difficulty swallowing, dental decay, change in taste
define CLEFT LIP PALATE
palate (upper lip, hard palate, soft palate) fails to close
problems associated w/cleft lip palate
difficult to eat & speak
problems associated w/cleft lip palate
difficult to eat & speak
define BRUXISM
involuntary teeth grinding w/sleep or stress
issues w/bruxism
wear down teeth, damage periodontal tissue, injure tMI
cause: dental caries
bacteria
define DENTAL PLAQUE
major cause of cavities & periodontal disease from bacteria & bacterial by-products
define EDENTULOUS
w/o permanent teeth
halitosis is also known as
bad breath
cause: halitosis
dental disease, respiratory/gastric disorders
define MALOCCLUSION
progressive disease of inflammation around teeth
malocclusion is also called
periodontitis
define DENTAL CALCULUS
calcified dental plaque
dental calculus is also called
tartar
define GUM RECESSION
shrinking of gingival tissue w/age
acute necrotizing ulcerative gingivitis is also called
trench mouth or ANUG
cause: ANUG
abnormal bacteria growth in mouth
s/s: ANUG
inflammation, bleeding, deep ulceration, necrosis
define DYSPHAGIA
difficult/painful swallowing
define EOSINOPHILIC ESOPHAGITIS
chronic immune disease where eosinophils build up in esophagus
define ESOPHAGITIS
inflammation of esophagus lining
cause: esophagitis
infection or stomach acids from GERD
define GASTROESOPHAGEAL REFLUX DISEASE
acid reflux
gastroesophageal reflux disease is also called
GERD
define BARRET’S ESOPHAGUS
epithelial cells of esophagus damaged from chronic acid exposure
barett’s esophagus is associated w/what things
- can be developed from GERD
- can increase risk of esophageal cancer
define STRICTURE
abnormal narrowing of passage from sacr tissue/damage
define ESOPHAGEAL VARICES
twisted & swollen veins distal esophagus/upper stomach
esophageal varices are associated w/..
serious liver disease & severe bleeding (rupture)
define GASTROPARESIS
gastric motility slows down, delaying gastric emptying
define PEPTIC ULCER DISEASE
gastric/duodenal ulcers affect mucous membranes of digestive
cause: peptic ulcer disease
bacteria or medications
define ANOREXIA
loss of appetite caused by disease
define CACHEXIA
physically wasting away from loss of weight & muscle mass where body can’t absorb nutrients
define FAILURE TO THRIVE
infant/child doesn’t grow as expected
cause: failure to thrive
any reasons
define MALABSORPTION
small intestine can’t absorb nutrients
define MALNUTRITION
lack proper food/nutrients
cause: malnutrition
shortage of food, poor eating habits, imability to digest/absorb/distribute nutrients
define AEROPHAGIA
excessive swallowing of air while eating/drinking
aerophagia is associated w/what
gas in stomach
define DYSPEPSIA
pain/discomfort during digestion
dyspepsia is also called
indigestion
define HEMATEMESIS
vomiting coagulated blood
define GLUTEN INTOLERANCE
digestive distress but no intestinal damage
gluten intolerance is also called
non-celiac gluten sensitivity
define LACTOSE INTOLERANCE
absence of lactase to process lactose
lactose intolerance is common in what demographics
AA & East Asians
s/s: Small intestinal bacterial growth
gas, bloating, diarrhea, constipation
define COLORECTAL CARCINOMA
1st appears as polyps in colon, rectum or both
colorectal carcinoma is also called
colon cancer
define POLYPS
mushroom-like growth from mucous membrane that is benign/malignant
define DIVERTICULOSIS
chronic abnormal # of diverticula in weak spots of colon wall/GI
define DIVERTICULUM
small pouch in lining of wall/tubular organ
diverticulosis is common in what demographic
ppl +50 yrs
define DIVERTICULITIS
inflammation/infection of at least 1 diverticulum of colon
s/s: diverticulitis
sudden ab pain, cramping, nausea
cause: enteritis
ingestion of viral/bacterial infection
DEFINE ischemic colitis
part of large intestine partly/completely deprived of blood
define ILEUS
part/complete blockage of small/large intestine
cause: ileus
stopping of peristalsis in area or abdominal surgery (temporary & normal 24-72 hrs post op)
s/s: ileus
severe pain, cramping, distention, vomiting, inability to fart/defecate, fever
s/s: IRRITABLE BOWEL SYNDROME
common group of symptoms: intermittent cramping, ab pain, constipation w/stress & tension, diarrhea, bloating
describe INFLAMMATORY BOWEL DISEASE
disease-causing inflammation of intestines causing an increase in risk of colorectal cancer; chronic, incurable, flares
s/s: IBD
abdominal pain, weight loss, fatigue, fever, rectal bleeding, enteropathic arthritis, diarrhea
describe: ULCERATIVE COLITIS
autoimmune; chronic inflammation of rectum & large intestines –> ulcers & irritation. Only affects innermost lining & increase risk for colon cancer
describe: CROHN’S DISEASE
autoimmune; inflammation of anywhere in GI tract (gen ileum & colon); affect every layer of tissue –> scarring & thickening –> blockage
define INTESTINAL OBSTRUCTION
part/complete blockage of either intestine from physical object
cause: intestinal obstruction
scar tissue, tumor, bezoar (indigestible materials)
describe STRANGULATING OBSTRUCTION
blood to intestines blocked –> necrosis, gangrene, perforation
define INTESTINAL ADHESIONS
fibrous bands band intestines together bc of trauma/inflammation
define INTUSSUSCEPTION
folding of 1 part of intestine into opening of adjacent section
define VOLVULUS
twisting of intestine
define STRANGULATED HERNIA
intestine in hernia constricted –> ischemia
define CLOSTRIDIUM DIFFICILE
bacterial infection causing diarrhea & inflammation of colon
define DYSENTERY
bacterial infection spread thru food/H2O contaminated w/feces
cause: e. coli
bacteria thru poorly cooked food
salmonellosis is also known as
salmonella
cause: salmonellosis
transmit via feces; eating undercooked meat, seafood, eggs, unpasteurized dairy
define CONSTIPATION
< 3 bowel movements/wk; stool hard, dry, small, & difficult to dry
cause: constipation
lack of fiber, disease, medication, pelvic floor dysfunction
define HEMORRHOIDS
cluster of veins, muscles, tissue slip near/thru anal opening & varicose veins of anus
s/s: hemorrhoids
pain, fecal leakage, itching, bleeding
define RECTOCELE
bulging/herniation of front wall of rectum into vaginal wall
rectocele is also called
rectal prolapse
cause: rectocele
birth, pregnancy
define HEMATOCHEZIA
bright red blood in stool (bleed lower GI)
define MELENA
black, tarry, foul smelling stools from digested blood from bleeding in upper GI
describe STEATORRHEA
excess fat in stool –> frothy & foul-smelling stools
cause: steatorrhea
pancreatic disease, removal of gallbladder, malabsorption disorders
define ASCITES
abnormal accumulation of serous fluid in peritoneal cavity
cause: ascites
gen severe liver disease
define HEPATITIS
inflammation of liver from viral infection; leading cause of liver cancer & transplants
define HEPATITIS A
highly contagious & acute from contaminated food & H2O w/infected feces; vaccine
define HEPATITIS B
bloodborne disease & chronic; transmit via bodily fluids; vaccine, potentially fatal
define HEPATITIS C
bloodborne disease & chronic; transmit via bodily fluids; asymptomatic for years & destroy liver; no vaccine, potentially fatal
describe CIRRHOSIS
chronic degenerative disease of liver w/scarring; fills w/fat –> other issues
cause: cirrhosis
excessive alcohol, drug, medication use, hepatits B or C
describe NONALCOHOLIC STEATOHEPATITIS (NASH)
more serious version of NAFLD; fatty accumulations + liver inflammation –> cirrhosis, irreversible scarring, cancer
describe NONALCOHOLIC FATTY LIVER DISEASE (NAFLD)
accumuleadinglation of fat in liver not bc of alcohol; leading liver disorder in US
define CHOLANGITIS
acute inflammation of bile duct
cause: cholangitis
generally bacterial infection
s/s: cholangitis
pain in RUQ, fever, jaundice
define CHOLECYSTITIS
inflammation of gallbladder; associate w/gallstones
define GALLSTONES
hard deposit from concentration of bile in gallbladder & ducts
gallstones are also called
cholelith
define ANAL FISTULA
abnormal passageway between anus & skin near anus
cause: anal fistula
infection –> bascess
define CHOLELITHIASIS
abnormal condition of stones in gallbladder
define PERIODONTAL DISEASE
inflammation & degneration of gums, teeth, & bone
define JAUNDICE
yellowing of skin/tissue bc of high bilirubin