Fetal Pig Endocrine Lab Instructions

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Fetal Pig Endocrine Lab
Take out Paper AND Write down:
20 pts LAB
Dissection – throat
only
Sketch and label –
trachea, heart, lungs,
thyroid, thymus
Hormones and
actions
Teams of 4 – you
choose
Thymus Gland
A- cervical thymus B- thyroid gland C- thoracic thymus
Fetal Pig Endocrine Lab
Before dissection,
tie the pig down to
the tray in the
position shown to
the right.
Using a piece of
string, tie the right
foreleg to the left
foreleg going
behind the tray.
Do the same for the
hind legs.
Fetal Pig Endocrine Lab
 Make an incision with a
scalpel in the thoracic
region ONLY (as shown in
1. and 3., DO NOT cut the
trachea or blood vessels.
 Sketch pig head and
upper body on a
separate piece of paper.
Draw and label the:
trachea, heart, lungs,
thyroid, thymus
THEN
List ALL the hormones &
their actions! Yahoo!
X Fetal Pig Endocrine Lab
Under each
Endocrine
gland,
(1) list all the
associated
hormones
(2) describe
the hormone
actions (be
specific)
X Thymus and Thyroid Glands
Thyroid
Gland
Thyroxine – TSH from Ant. Pituitary turns on Thyroid, this hormone increases the
body’s metabolism (increased cell respiration and thus more energy).
Calcitonin – high Ca++ in blood causes this hormone to be released from
Thyroid, it moves excess Ca++ from blood to bone (storage in bone).
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