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AKI - DECKS (ty kat huhu)
BIOL 2300 LAB A
7 - FROG MAJOR INTERNAL
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Cards (71)
What teeth are located on the margins of the upper jaw?
Maxillary
teeth
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Which bones bear the maxillary teeth?
Maxilla and
premaxilla
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Where are the internal nares located?
Anterolateral
roof of mouth
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What passage connects internal and external nares?
Nasal passage/
choana
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What teeth are medial to internal nares?
Vomerine
teeth
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Which bones bear vomerine teeth?
Vomer bones
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Where do the eustachian tubes open?
Posterolateral
roof of mouth
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What structure do the eustachian tubes lead to?
Middle ear
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Where is the tongue situated?
Anterior
floor
of mouth
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How does the frog catch insects?
Tongue flips
posteriorly
at high speed
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Where are vocal sac openings located?
Posterolateral
floor of mouth
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Are vocal sacs more common in males or females?
Males
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Where is the glottis located?
Posterior ventral midline of
oral cavity
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What shape is the glottis in males?
Slitlike
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What sound structure lies beneath the glottis?
Larynx
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What supports the larynx?
Laryngeal cartilages
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Where is the entrance to the esophagus located?
Posterior end of
oral cavity
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Where are the thyroid glands located?
Beside
hyoid cartilage
posterior horns
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What hormone do thyroid glands secrete?
Iodine-rich
hormone
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What process does the thyroid gland hormone control?
Metamorphosis
from tadpole
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What is the white midventral line visible after cutting skin?
Linea alba
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What muscle runs parallel to the linea alba?
Rectus abdominis
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What large vein adheres to linea alba?
Ventral abdominal vein
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What membrane lines the body cavity?
Peritoneum
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What are organs within the peritoneum called?
Viscera
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What structure connects organ peritoneum to body cavity peritoneum?
Mesentery
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What type of membrane is a mesentery?
Double-layered
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Which mesentery usually disappears: dorsal or ventral?
Ventral
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What happens to retroperitoneal organs?
Bulge into
cavity
carrying lining
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What condition of female frogs occurs during breeding season?
Ovaries
greatly enlarged
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What fills the ovaries during breeding season?
Black
and
white
ova (
eggs
)
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What cavity houses the heart?
Pericardial
cavity
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What membrane surrounds the heart?
Pericardium
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What separates the pericardial cavity from abdominal cavity?
Pericardium
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How many lobes does the liver have?
Three
(
right
,
left
,
median
)
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What color is the liver normally?
Brown
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What substances may alter liver color in injected specimens?
Blue or yellow
latex
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Name two functions of the liver.
Bile secretion
Glycogen storage
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What structure lies between the lobes of the liver?
Gall bladder
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What color is the gall bladder?
Greenish
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