Worksheets 9-10 Flashcards
four levels of organization
cell
tissue
organ
organ system
group of cells with similar structure and function
tissues
composed of several different tissues that form a structural and functional unit
organs
group of organs that function together to carry out major activities of the body
organ system
accomplished by the organs in the gastrointestinal tract and the other accessory of the digestive organs
digestion
Digestive organs usually divided into two main groups
main digestive organs (gastrointestinal tract)
accessory organs
gastrointestinal tract is also known as
alimentary tract
continuous tube running from the mouth to the anus
gastrointestinal tract
describe the GI pathway
mouth
pharynx
esophagus
stomach
small intestine
large intestine
accessory organs consist of
teeth
tongue
liver
gallbladder
pancreas
determine the parts of the mouth
grade your score accordingly
small row of teeth along the margin of upper jaw
maxillary teeth
pair of grooves on the inner side of the maxillary teeth that receives the lower jaw when the mouth is closed
sulcus marginalis
it is a prominent depression of the sulcus marginalis at the anterior tip of the upper jaw
median substrosal fossa
pair of depression of the sulcus marginalis lateral to the pulvinars
lateral substrosal fossa
pair of low elevations on each side of the median substrosal fossa
pulvinar rostrale
pair of slit-like openings above the eyeballs leading to the external nares
internal nares
other term for internal nares
choanae
two large rounded bulges of the eyeball
eyeball (orbital prominence)
fine teeth projecting from the vomers in between the internal nares
vomerine teeh
pair of slit-like openings found medial to the angles of the jaw
opening of eustachian tube
leads to the cavity of the middle ear
eustachian tube
these are two shallow depressions on each side of tuberculum prelinguale
prelingual fossa
prominent median elevation at the tip of the lower jaw. This fits into the median substrosal fossa when the mouth is closed
tuberculum prelinguale
forked muscular organ attached to the anterior tip of the lower jaw
tongue
pair of slit-like opening on the floor of the mouth close to the angle of the jaw; found only in malefrogs
opening of vocal sac
large transverse slit, posterior to the laryngeal prominency
opening of esophagus
circular elevation anterior to the esophageal opening
laryngeal prominence
short-vertical slit like opening at the center of the laryngeal prominence
glottis
posterior portion of the buccal cavity which opens into the esophagus
pharynx
very short tube that connects the pharynx to the stomach (where food goes down)
esophagus
label the parts of the digestive tract
grade your score accordingly
large whitish organ with either “U” or “J” shaped enlarged portion of the digestive tube
stomach
smaller than its posterior or pyloric end
anterior or cardiac end
curvature of the stomach on the outer side
greater curvature
curvature of the stomach on the inner side
lesser curvature
curvature of the stomach on the inner side
lesser curvature
suspends the stomach from the dorsal body wall
mesogaster
constriction at the posterior end of the stomach
pyloric end
this is a dark organ located on the left lateral side of the stomach, located part of the lymphatic system
spleen
label the parts of the GI tract (3 pictures)
grade yourself accordingly
this is a small greenish sac located at the ventral part of the median lobe of liver
gallbladder
this is slender and the longest portion of the tube which is irregularly coiled
small intestine
more anterior portion which is wider but shorter
duodenum
more posterior, narrower, and longer coiled division of the small intestine
ileum
the small intestine is suspended from the dorsal body wall
mesenterium
short dilated tube at the terminal end of the ileum
large intestine
suspend the large intestine, where a rounded reddish spleen is also suspended
mesorectum
this is the posterior dilated end of the large intestine located within the pelvic girdle
cloaca
also open to the cloaca
mesonephric ducts, and ovisac –
temporary storage of urine
urinary bladder
small opening at the posterior end of the cloaca
cloacal opening
large reddish brown organ on the anterior portion of the pleuro-peritoneal cavity; largest organ that partly covers the stomach
liver
liver is divided into
left
median
right
suspends the liver from the body wall
ventral ligament
located at the ventral side of the median lobe of the liver
gallbladder
secreted by the liver and stored into the gallbladder by way of two fused ducts, the hepatic duct and cystic duct
bile
two fused ducts where gallbladder is connected to the liver
hepatic duct
cystic duct
coming from the left and right of the liver
hepatic duct
which is a tiny duct connected to the neck of the gallbladder
cystic duct
large duct formed by the cystic, hepatic, and pancreatic duct – surrounded by the tissues of the pancreas and this ducts enters the duodenum, emptying its contents on this part of the digestive tube
common bile duct
common bile duct is composed of
hepatic duct
cystic duct
pancreatic duct
small elongated and irregularly shaped gland located between the stomach and duodenum; a pancreatic duct conducts the pancreatic juice to the duodenum
pancreas
label the buccopharyngeal cavitry
grade your score accordingly
three types of teeth in the buccopharyngeal cavity
premaxillary
maxillary
vomerine
supporting mesentery of the stomach
mesogaster
supporting mesentery of the spleen
gastrosplenic ligament
supporting mesentery of the liver
falciform ligament;
gastrohepatic ligament
hepatoduodenal ligament
supporting mesentery of the small intestine
mesenterium or mesentery proper
supporting mesentery of the large intestine/cloacal opening/vent
mesorectum
upper portion of the mouth (5)
median substrosal fossa
pulvinar rostrale
lateral substrosal fossa
upper lip fold
upper jaw (maxilla)
lower portion of the mouth (5)
tuberculum prelinguale
prelingual fossa
lower lip fold
lower jaw (mandible)
label the entire GI tract
grade yourself accordingly
composed of common urinary and reproductive organs
urogenital system
delivers oxygen through the blood and removes body wastes, in a form of carbon dioxide, from the cells
respiratory system
Also plays a significant role in controlling the pH
respiratory system
associated with the excretion of nitrogenous wastes, maintenance of volume and composition of body fluids, gamete formation and fertilization process
urogenital system
includes the lungs, lining of the mouth and the skin
respiratory system
All these structures have thin moist surface and contain blood vessels (3)
lungs
lining of mouth
skin
used to meet most of the oxygen requirement
lungs
serves as a respiratory surface
roof of mouth
skin
alone meets the requirement when the frog hibernates since its body metabolism is reduced
skin respiration
made possible because of the thin moist surface of the frog’s skin
gas exchange
alone meets the requirement when the frog hibernates since its body metabolism is reduced
skin respiration
slit-like openings immediately postero-dorsal to the snout
external nares
short passageway between the external and internal nares
nasal chamber/canal
the external nares is continuous with this within the mouth
internal nares
choanae
consist of a moist mucous membrane and is richly supplied with blood capillaries
buccopharyngeal cavity
posterior to the glottis
larynx
precursor to the larynx and trachea, a thin-wall chamber that initiates the supply of air into the lungs
laryngo-tracheal chamber
formed and supported by two cartilaginous structures: a pair of arytenoid cartilage and cricoid cartilage
glottis
valve-like that guards the glottis and at the same time forms the dorsal roof of the larynx
arytenoid cartilage
ring-like cartilage that surrounds and supports the arytenoids
cricoid cartilage
pair of thin-walled, spongy sacs on the antero-lateral portion of the pleuro-perotineal cavity
lung
covers the lungs, a double-walled membrane
pleura
rich in CO2
capillaries
rich in O2
alveoli
a short vertical slit-like opening at the center of the laryngeal prominence
epiglottis
label the lungs of a frog and the buccopharygneal chamber
grade yourself accordingly
consist of the excretory and the reproductive systems
urogenital system
functions for the elimination of the waste products of the metabolism
excretory system
functions for the production of gametes and secretion of sex hormones
reproductive system
paired, lobular, saccular organ on the ventral wall of the kidney which is suspended from the dorsal wall by the mesovarium
ovaries
convoluted, long tubes on each side of the ovary which lies close to the abdominal wall and are suspended by the mesotubarium
oviducts
oviducts are also called
mullerian ducts
lies near the bases of the esophagus and the lungs
anterior end of the oviduct
anterior funnel-shaped mouth of the oviduct that serves as the entrance of eggs which are released from the ovary into the body coelom
ostium
enlarges into thin highly distensible sac
posterior portion of oviduct
thin highly distensible sac in the posterior portion of the oviduct, empties into the cloaca
ovisac
yellowish finger-like structures at the anterior level of the kidney and attached to the ovary, they store reserve food especially during breeding season
corpora adiposa / fat bodies
label the parts of the female reproductive system
grade yourself accordingly
pair of elongated, yellowish structures on the ventral surface of the kidney; attached to the kidney by a mesochorium
testes
these are very small slender tubules lying on the mesochorium
vas efferentia
term given to the mesonephric duct which is also used for the passage of sperm
vas deferentia or vas deferens
pair of slender, white, wavy tubes, one along each side of the mesonephric duct which join posteriorly; non-functional
vestigial oviducts
attached to the anterior end of each testis
corpora adiposa
label the male reproductive system
grade yourself accordingly
pair of reddish, elongated, flattened organs which are lined ventrally by the parietal perotineum
kidney
the kidney is in what condition that means no mesentery is suspending it and is near the dorsal wall
retroperotineal condition
what is the cavity called in the frog’s abdomen
pleuro-perotineal cavity
pair of yellowish, irregularly-shaped glands located on the ventral surface of the kidney
adrenal gland
space between dorsal wall and the parietal peritoneum where kidney is located
cisterna magna
subvertebral lymph sinus
function of kidney
filtration
secretion
reabsorption
pair of slender, straight white tubes on the postero-lateral edge of the kidney; conducts waste products from the kidney to the cloaca
mesonephric duct
mesonephric duct in females are also called as
ureter
mesonephric duct in males are also called as
vas deferens
wolfian duct
bilobed sac on the ventral surface of the cloaca; serves as a temporary storage of urine
urinary bladder
the oviduct has a what for buoyancy
jelly coat
two parts of mesentery
visceral
parietal
adhere to the organs
visceral
outside the viscereal
parietal
mesentery for urinary bladder
median ligament
mesentery for ovary
mesovarium
mesentery for ovidcut
mesotubarium
mesentery for testis
mesorchium
darkly colored, located laterally with the kidneys
renal portal vein
found alongside the renal portal vein (connects the kidney to the cloaca)
mesonephric duct
label the final pic on ppt
grade yourself accordingly