Endocrine System
Homeostasis : maintaining
2 constant internal environment
Endo : "ductless" >
-
into bloodstream
& me
Zer
Exo
Saliva
A
- ↑ Nears
swea
Hormones are
specific to
target organs
Hormones either stimulate or inhibit
↑
↓
Hypothyroidism ema
children
Hyper ,
cretinism
-
Thyroidism iodine
deficiency
nervousness Corticotropin H
I -
1 rel . .
weight
-
. Growth
2 H . rel . H.
-
isease rel H
.
3 Ganadotropin .
rel H
4.
Thyrotropin
.
Dopamine
.
5
Thyroxin
1 .
TSH
I .
>
-
ADH ↓ waterme
Decreases
water volume
Diuresis-high
↓
largevole
water
↑
volume
see
a
Adrenocorticotropic -> Diabetes insipidus (disorder)
Cortisol,pressure
lo
.
2
Growth - Hormone JACTH)
.
2
Oxytosin
↳
3 .
GH
4
. Prolactin >
-
milk production
CH + FSH uterine contractions
.
5
Gonadotropins -
milk ejection
, metabolism
↳ all the chemical reactions inside the
body
Feedback
Negative
eg
. Thyroid
Thyrotropin
-
Releasing HIGH LEVELS OF T4/T3
Chypothalamus
Hormone
of TRH
suppressproduction I
and TSH (Pituitary) - reduces T4/Tz hormones
Thyroid LOW LEVELS OF T4/T3
stimulating
Hormone Increase production of TRH
I
Chypothalamus
and TSH (Pituitary) -> increases T4/Tz hormones
Calcitonin
↓ blood Calcium
-
Thyroxine Triiodothyronine
90 % 10 %
NORMAL BLOOD SUGAR
4-8 mmol/L floor
Homeostasis 14 is the
HIGH LEVELS OF BLOOD GIUCOSE
-
Hyperglycemia=
~
> necrosis , Kidney failure , glaucoma
LOW LEVELS OF BLOOD GIUCOSE
-
Hypoglycemia + cells die ,
brain cant use
fats/protein
for
Less energy energy
Homeostasis : maintaining
2 constant internal environment
Endo : "ductless" >
-
into bloodstream
& me
Zer
Exo
Saliva
A
- ↑ Nears
swea
Hormones are
specific to
target organs
Hormones either stimulate or inhibit
↑
↓
Hypothyroidism ema
children
Hyper ,
cretinism
-
Thyroidism iodine
deficiency
nervousness Corticotropin H
I -
1 rel . .
weight
-
. Growth
2 H . rel . H.
-
isease rel H
.
3 Ganadotropin .
rel H
4.
Thyrotropin
.
Dopamine
.
5
Thyroxin
1 .
TSH
I .
>
-
ADH ↓ waterme
Decreases
water volume
Diuresis-high
↓
largevole
water
↑
volume
see
a
Adrenocorticotropic -> Diabetes insipidus (disorder)
Cortisol,pressure
lo
.
2
Growth - Hormone JACTH)
.
2
Oxytosin
↳
3 .
GH
4
. Prolactin >
-
milk production
CH + FSH uterine contractions
.
5
Gonadotropins -
milk ejection
, metabolism
↳ all the chemical reactions inside the
body
Feedback
Negative
eg
. Thyroid
Thyrotropin
-
Releasing HIGH LEVELS OF T4/T3
Chypothalamus
Hormone
of TRH
suppressproduction I
and TSH (Pituitary) - reduces T4/Tz hormones
Thyroid LOW LEVELS OF T4/T3
stimulating
Hormone Increase production of TRH
I
Chypothalamus
and TSH (Pituitary) -> increases T4/Tz hormones
Calcitonin
↓ blood Calcium
-
Thyroxine Triiodothyronine
90 % 10 %
NORMAL BLOOD SUGAR
4-8 mmol/L floor
Homeostasis 14 is the
HIGH LEVELS OF BLOOD GIUCOSE
-
Hyperglycemia=
~
> necrosis , Kidney failure , glaucoma
LOW LEVELS OF BLOOD GIUCOSE
-
Hypoglycemia + cells die ,
brain cant use
fats/protein
for
Less energy energy
