Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
What is PTTH?
|
Prothoracicotropic (brain hormone).
lateral neurosecretory cells or protocerebrum. Stimulates prothoracic gland to release molting hormone=ECDYSONE |
protothoracictropic
|
|
|
How does PTTH work?
|
PTTH= C.C (corpus cardiacum)
C.C.->Hemolymph->P.G.(prothoracic gland)=ECDYSOME |
P-C-B-P
|
|
|
J.H is found where?
|
Corpus allum
|
brain
|
|
|
1)Large amounts of J.H. and ecdysome produce what?
2)Small amounts of J.H. and ecdysome produce... 3)No amount of J.H. and ecdysome produce |
1)Larvae or nymph
2)Pupa 3)Adult |
Growth
|
|
|
What is the target cells for ecdysome and J.H.?
|
Epidermal Cells
|
skin
|
|
|
How did Carol Williams study circulation?
|
Tied off insects to study CNS development and hemolymph flow.
|
Tourniquet
|
|
|
What are phytoedysteroids?
|
Hormones that keep insects away from trees (found in some ferns and gymnosperms)
|
Botany?
|
|
|
What does Vitellogenisis mean?
|
Yolk making
|
eggs?
|
|
|
What does xenohormones mean?
|
A hormone used to "time" offspring of parasite to host. Example fleas reproductive schedule coincide with the host rabbit
|
estrogen
|
