1B ZOOLOGY QUIZ

What are the main layers of the stomach and small intestine of a frog?

(hint: 5)

lumen

tunica mucosa

- w/ simple columnar epithelium tissue nd folds (rugae for stomach nd villi for intestine) - w/ lamina propria

- muscularis mucosa

submucosa

tunica muscularis

serosa

What is underneath the tunica mucosa? What are underneath that? (name 5)

simple columnar epithelium tissue nd folds (rugae for stomach nd villi for intestine)

lamina propria

muscularis mucosa

Which one is thicker, and which one do they belong to?

- rugae

- villae

rugae - thicker (stomach)

villi - thinner (intestine)

In the stomach and small intestine of frogs, what is the lamina propria?

(hint: mattress)

connective tissue that contains glands and blood vessels

In the stomach and small intestine of frogs, what is the muscularis mucosa?

thin layer of smooth muscle cells

In the stomach and small intestine of frogs, what is underneath the mucosa? Can you describe it?

submucosa (connective tissue)

In the stomach and small intestine of frogs, what is the tunica muscularis?

HEAVY DUTY MACHINE NA MUSCULAR

- has circular and longitudinal smooth muscle tissues

In the stomach and small intestine of frogs, what is the outermost connective tissue? What is it covered by?

Serosa

covered mesothelium (squamous epithelium cells)

In frog's ovary, where is the region with the most yolk? What is the name of the other one?

where yolk is most concentrated - vegetal pole

animal pole

Frog eggs are ____________, meaning the yolk is concentrated toward one region of the egg.

telolecithal

What is the difference between frog's and human's blood smears? (In presence of nucleus and shape)

Frog's blood smear has blood cells that have nucleus while the human blood smears do not.

In human blood smear, what do you call the tiny purple dots?

Platelets

Difference between WBCs and RBCs in human blood smear? (in terms of dami, itsura, and size)

RBCs are the majority compared to WBCs.

WBCs are prominently, bigger, darker and has an odd shape na nuclei.

Difference between WBCs and RBCs in frog blood smear? (In terms of shape and nucleus)

WBCs are amorphous, but the RBCs are oval.

What do you call when they have no definite shape?

amorphous

In frog' testis, what does the flagellum look like?

Whip-like, which gives the cell a threadlike appearance