Final Flashcards
Lecture
Respiratory System Functions
gas exchange
cas conditioning
protection
vocalization
regulate blood pH
Gas Conditioning
warms, moistens, and filters air
2 structural divisions of respiratory system
upper respiratory tract
lower respiratory tract
2 functional divisions of the respiratory system
conducting zone
respiratory zone
function of conducting zone
conducts/conditions air
function of respiratory zone
gas exchange
what 3 structures make up the upper respiratory tract
paranasal sinuses
nasal cavity
pharynx
Paranasal sinuses SD
Upper
Paranasal sinuses FD
conducting
Nasal Cavity SD
Upper
nasal cavity FD
conducting
nasal cavity lining
ciliated pseudostratified columnar epithelium
nasal cavity lining mods
goblet cells
cilia
goblet cell function
secrete mucus
cilia function
move mucus/trapped particles
borders of nasal cavity
superior border
inferior border
anterior border
posterior border
lateral border
medial border
superior border of nasal cavity structures
olfactory epithelium
inferior border of nasal cavity structures
hard palate
anterior border of nasal cavity structures
nostrils
nasal vestibules
nasal vestibules lined by ___
hairs
posterior border structures
choana
lateral border structures
conchae
meati
where do meati exist in the nasal cavity
in between each concha
medial border structures
nasal septum
pharynx SD
Upper
pharynx FD
conducting
the pharynx is the common passageway between ____ and ____
nasal cavity
oral cavity
3 parts of pharynx
nasopharynx
oropharynx
laryngopharynx
nasopharynx goes from ____ to ____
pharyngeal tonsils
soft palate
nasopharynx is lined by
ciliated pseudostratified columnar epithelium
oropharynx goes from ____ to ____
soft palate
epiglottis
oropharynx is lined by
nonkeratinized stratified squamous epithelium
laryngopharynx goes from ____ to ____
epiglottis
cricoid cartilage
laryngopharynx is lined by
nonkeratinized stratified squamous epithelium
lower respiratory tract structures
larynx
trachea
bronchial tree
terminal bronchioles
alveoli
larynx SD
lower
larynx FD
conducting
what does the larynx produce
sound
larynx connecte ____ to ____
pharynx
trachea
larynx contains
cartilages
ligaments
muscles
superior part of the larynx is lined by
nonkeratinized stratified squamous epithelium
inferior part of the larynx is lined by
ciliated pseudostratified columnar epithelium
3 major cartilages in larynx
thyroid cart.
cricoid cart.
epiglottis
thyroid cartilage is composed of
hyaline cart.
what is the most anterior part of the thyroid cartilage called
laryngeal prominence
thyrohyoid membrane connects ____ to ____
thyroid cart.
hyoid
cricoid cartilage is composed of
hyaline cart.
cricoid cart is (inferior/superior) to thyroid cart.
inferior
cricothyroid ligament connects ____ to ____
cricoid cart.
thyroid cart.
epiglottis composed of
elastic cart.
epiglottis purpose
prevents choking
3 minor cartilages of larynx
arytenoid cart.
corniculate cart.
cuneiform cart.
arytenoid cart.
triangular structures superior to cricoid cart.
corniculate cart.
horn-shaped structures on apex of each arytenoid cart.
cuneiform cart.
club-shaped structures anterior to corniculate cart.
structures of voice production
vestibular folds
vocal folds
vestibular folds are (superior/inferior) to vocal folds
superior
another name for vestibular folds
false vocal cords(don’t produce sound)
another name for vocal folds
true vocal cords(produce sound)
vocal ligaments are (superficial/deep) to vocal folds
deep
rima glottidis
space between vocal folds
trachea SD
lower
trachea FD
conducting
trachea is (anterior/posterior) to esophagus
anterior
trachea is lined by
ciliated pseudostratified columnar epithelium
structures in trachea
tracheal cartilages
anular ligaments
carina
tracheal cartilages composed of
hyaline cart.
tracheal cartilage shape
c-shaped rings
carina
where the trachea splits into R/L sides
bronchial tree SD
lower
bronchial tree
highly branched system of conducting passages
bronchial tree FD
conducting
bronchial tree location
in lungs
branching order of bronchial tree
(largest->smallest)
primary bronchi
secondary bronchi
tertiary bronchi
bronchioles
terminal bronchioles
anatomical changes from primary bronchi to bronchioles
cartilage decreases
smooth muscle increases
lining of primary, secondary, and tertiary bronchi
ciliated pseudostratified columnar epithelium
lining of larger bronchioles
ciliated simple columnar w/ goblet cells
lining of smaller bronchioles
ciliated simple columnar w/o goblet cells
bronchioles structure
thick layer of smooth muscle
lining of terminal bronchioles
nonciliated simple columnar
bronchoconstriction
smooth muscle contracts
bronchodilation
smooth muscle relaxes
bronchioles branch into ___
terminal bronchioles
terminal bronchioles are the ____
end of the conducting zone
respiratory zone includes
respiratory bronchioles
alveolar ducts
alveoli
lining of superior respiratory bronchioles
simple cuboidal epithelium
lining of inferior respiratory bronchioles
simple squamous epithelium
lining of alveolar ducts
simple squamous epithelium
lining of alveoli
simple squamous epithelium
alveoli function
site of gas exchange
alveoli are surrounded by ____
pulmonary capillaries
3 cell types in alveoli
type I alveolar cells
type II alveolar cells
alveolar macrophages
type I alveolar cells function
gas exchange
type II alveolar cells function
secrete pulmonary surfactant
alveolar macrophages function
protection
digestive system is made of
organs that break down food into smaller molecules
digestive system consists of
gastrointestinal tract (GI Tract)
accessory organs
functions of digestive system
ingestion
digestion
secretion
absorption
defacation
ingestion
bringing in food/fluid
digestion
breakdown of food
2 types of digestion
mechanical
chemical
mechanical digestion
physically breakdown food into smaller particles
chemical digestion
breaking chemical bonds in food
what are used to aid in chemical digestion
enzymes
secretion
fluids that help digestion
absorption
movement of nutrients into the blood and lymph
defacation
elimination of wastes
general histology of GI tract (deep->superficial)
mucosa
submucosa
muscularis
adventitia/serosa
mucosa composed of
epithelium
lamina propria
muscularis mucosae
lamina propria composition
areolar CT
mucosa-associated lymphatic tissue
submucosa composition
areolar CT
dense irregular CT
what does the submucosa contain
blood vessels and lymphatic vessels
muscularis composition in mouth, pharynx, part of esophagus, and external anal sphincter
skeletal muscle
muscularis composition in the rest of GI tract
smooth muscle
two layers of muscularis (deep->superficial)
circular
longitudinal
circular layer of muscularis creates ____
sphincters
Adventitia and serosa is the most (deep/superficial) layer
superficial
serosa is found in ____
parts of GI tract suspended in abdominal cavity
adventitia is found in ____
esophagus and lower aspect of rectum
peritoneum
serous membrane of abdominal cavity
layers of peritoneum
parietal peritoneum
visceral peritoneum
parietal peritoneum covers ____
wall of abdominal cavity
visceral peritoneum covers ____
abdominal cavity organs
intraperitoneal organs are (completely/partially) surrounded by peritoneum
completely
retroperitoneal organs are (completely/partially) surrounded by peritoneum
partially
folds of peritoneum
lesser omentum
greater omentum
mesentery
mesocolon
lesser omentum
connects stomach to liver
greater omentum
covers small intestine
mesentery
anchors small intestine to posterior abdominal wall
mesocolon
connects large intestine to posterior abdominal wall
oral cavity functions
ingestion
mechanical digestion
chemical digestion
oral cavity lining
nonkeratinized stratified squamous epithelium
superior border of the oral cavity structures
hard palate
soft palate
special feature of superior border of oral cavity
uvula
structures of inferior border of oral cavity
lingual frenulum
mylohyoid
lingual frenulum function
anchors tongue to gums
structures of anterior border of oral cavity
teeth
labia
labial frenulum
labial frenulum function
attaches inner surface of each lip to gums
structures of posterior border of oral cavity
fauces
palatine tonsils
salivary glands function
produce and secrete saliva
saliva functions
moisten oral cavity
chemical digestion
dissolve materials for taste receptors
antimicrobial
how is saliva secreted into oral cavity
ducts
3 major salivary glands
parotid clangs
submantibular glands
sublingual glands
parotid glands are the (largest/smallest)
largest
parotid glands location
anterior to ear
submandibular glands location
inferior to mandible
sublingual glands location
inferior to tongue
pharynx function
swallowing
esophagus location
posterior to trachea
esophagus function
transports bolus to stomach via peristalsis
upper esophageal sphincter composition
skeletal muscle
lower esophageal sphincter
smooth muscle
functions of stomach
mechanical and chemical digestion of bolus
storage
what is used to digest food in stomach
chyme
cells of stomach
mucous cells
parietal cells
chief cells
mucous cells function
secrete mucus
parietal cells function
secrete hydrochloric acid (HCl)
cheif cells function
secrete pepsiongen
small intestine functions
digestion
absorption
segments of small intestine
duodenum
jejunum
ileum
ileocecal valve function
controls movement into small intestine
what do duodenal glands secrete
alkaline mucus
alkaline mucus function
helps neutralize gastric acid in chyme
large intestine functions
absorbs water and ions
compacts indigestible wastes into feces
structures of large intestine
cecum
appendix
ascending colon
right colic flexure
transverse colon
left colic flexure
sigmoid colon
rectum
anal canal
anal columns
prominent folds
anal columns secrete ____
mucus
anus
opening of anal canal into exterior
internal anal sphincter composition
smooth muscle
external anal sphincter composition
skeletal muscle
accessory digestive organs
teeth
salivary glands
tongue
liver
gallbladder
pancreas
functions of liver
produces bile
metabolism of carbs, proteins, lipids
store nutrients
detoxification
structures of liver
hepatic lobules
bile canaliculi
hepatic sinusoids
hepatic lobules
contain hepatocytes
hepatocytes function
secrete bile
bile canaliculi location
between hepatocytes
hepatic sinusoids
highly permeable blood capillaries
what do hepatic sinusoids contain
WBCs
gallbladder function
stores bile
pathway of bile
gallbladder releases it
cystic duct
bile duct
pancreas
functions of pancreas
produce pancreatic juices
produce glucagon and insulin
pathway of pancreatic juice
secreting cells
pancreatic duct
common bile duct
hepatopancreatic ampulla
duodenum
urinary system functions
removes wastes from blood
produce, store, and excrete urine
regulate blood volume
pH balance
urinary system structures
kidneys
ureters
urinary bladder
urethra
kidneys location
L/R lumbar region of abdominopelvic cavity
kidneys are (intraperitoneal/retroperitoneal)
retroperitoneal
hilum
where blood vessels, nerves, and ureters enter/exit the kidneys
protective layers around kidneys
(deep->superficial)
fibrous capsule
perirenal fat
renal fascia
2 major regions of kidney
(superficial->deep)
renal cortex
renal medulla
structures in renal medulla
renal pyramids
renal columns
renal pyramids
nephrons
renal columns location
in between each renal pyramid
tubing of kidney
minor calyx
major calyx
renal pelvis
bloodflow through kidney
enters via renal artery
segmental arteries
interlobar arteries
arcuate arteries
interlobular arteries
nephron
bloodflow through nephron
afferent arteriole
glomerulus
efferent arteriole
peritubular capillaries
bloodflow out of kidney
interlobular vein
arcuate vein
interlobar
renal vein
nephron
functional filtration until of kidney
how many nephron per kidney
1.25 million
3 processes to form urine
filtration
tubular reabsorption
tubular secretion
2 types of nephrons
cortical nephrons
juxtamedullary nephrons
cortical nephrons origin
outer renal cortex
cortical nephron characteristics
shorter nephron loop
more of them
juxtamedullary nephrons origin
originate in inner renal cortex
juxtamedullary nephrons characteristics
longer nephron loop
less of them
2 nephron elements
vascular elements
tubular elements
vascular elements of nephron
afferent arteriole
glomerulus
efferent arteriole
peritubular capillaries
vasa recta
afferent arteriole
delivers blood to glomerulus
glomerulus
capillary bed
efferent arteriole
drains glomerulus
peritubular capillaries
surround tubules
vasa recta
surround nephron loop
tubular elements of nephron
glomerular capsule
proximal convoluted tubule
nephron loop
distal convoluted tubule
glomerular capsule is a part of the ____
renal corpuscle
renal corpuscle contains
glomerular capsule
glomerulus
another name for nephron loop
loop of Henle
nephron loop segments
descending loop
ascending loop
layers of glomerular capsule
visceral layer
parietal layer
capsular space
visceral layer of glomerular capsule composition
podocytes
parietal layer of glomerular capsule composition
simple squamous epithelium
3 layers of filtration membrane
fenestrated capillary endothelium
visceral layer of glomerular capsule
basement membrane
pedicels
extensions on podocytes
filtration slits location
in between pedicels
proximal convoluted tubule function
reabsorption
proximal convoluted tubule lining
sumple cuboidal w/ microvilli
nephron loop surrounded by ____
vasa recta
thick limbs of nephron loop lining
simple cuboidal
thin limbs of nephron loop lining
simple squamous
descending limb of nephron loop reabsorbs ____
water
ascending limb of nephron loop reabsorbs ____
Na+, Cl-
distal convoluted tubule lining
simple cuboidal w/o microvilli
distal convoluted tubule function
secrete K+ and H+
ureters function
transport urine from kidneys to urinary bladder
ureters lining
transitional epithelium
urinary bladder function
stores urine
trigone
2 urethral openings + 1 internal urethral orifice
internal urethral sphincter composition
smooth muscle
external urethral sphincter composition
skeletal muscle
3 parts of male urethra
prostatic urethra
membranous urethra
spongy urethra
prostatic urethra
extends through prostate
membranous urethra
extends through pelvic floor
spongy urethra
extends length of pelvis
reproductive system functions
produce, nourish, and transport gemetes
facilitate fertilization
support growth of embryo/fetus
male reproductive system
scrotum
testes
ducts
urethra
accessory sex glands
penis
tunica albuginea
divides each testes into lobuless
sertoli cells
support/protect developing sperm cells
ducts of testes
straight tubules
rete testis
efferent ductules
duct of epididymis
bulbourethral glands
secrete alkaline fluid w/ mucus
femal reproductive system
ovaries
uterine tubes
uterus
vagina
vulva
corpus luteum
remnants of tertiary ovarian follicle