2727504
Descripción
Mapa Mental por Alix Stonehouse, actualizado hace más de 1 año
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Creado por Alix Stonehouse
hace más de 9 años
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ENDOCRINOLOGY
(hypothalamus)
- Hypothalamus
- Posterior pituitary/ neurohypophysis
- Axons sent from the
hypothalamus to the
posterior pituitary causing
release of hormones to the
bloodstream
- Secretes two structurally similar peptide hormones
- Oxytocin
- Released due to mechanical
stimulation at the nipple or nearing
the end of pregnancy
- Released from periventricular
neurones
- Expels foetus in labour (contraction) and
sperm progression along the
ductus deferens in males
- Oxytocics mimic oxytocin
and induce labour
- Released due to mechanical
stimulation at the nipple or nearing
the end of pregnancy
- Vasopressin (ADH)
- Released due to an increase in
solute concentration or fall in blood
volume/pressure
- Detected by osmoreceptors in the
hypothalamus
- Results in water retention at the
kidneys and vasoconstriction to
increase blood pressure
- ADH deficiency causes diabetes insipidus
- Can be central (secondary)
or nephrogenic (primary)
- Treated with vasopressin analogues
(Desmopressin)
- Can be central (secondary)
or nephrogenic (primary)
- Detected by osmoreceptors in the
hypothalamus
- Released from supraoptic neurones
- Released due to an increase in
solute concentration or fall in blood
volume/pressure
- Oxytocin
- Axons sent from the
hypothalamus to the
posterior pituitary causing
release of hormones to the
bloodstream
- Anterior pituitary/ adenohypophysis
- Secrets six peptide hormones In
response to hypothalamic signals
- Thyroid releasing hormone
released from the
hypothalamus in response
to stress anfd cold
temperature causes release
of thyroid stimulating
hormone from the anterior
pituitary
- See thyroid
gland mindmap
- See thyroid
gland mindmap
- Growth hormone releasing
hormone is stimulated by
stress, exercise and sleep and
causes release of growth
hormone from the anterior
pituitary
- See growth hormone mindmap
- Growth hormone inhibiting hormone
inhibits releaseof growth hormone
- See growth hormone mindmap
- Prolectin releasing
hormone released
form hypothalamus
causing the release
of prolactin from the
anterior pituitary
- Prolactin
inhibiting
hormone
inhibits release
of prolactin
- See gonad midmap
- Prolactin
inhibiting
hormone
inhibits release
of prolactin
- Corticotrophin
releasing hormone
from the
hypothalamus
stimulates
adrenocorticotropin
releasing hormone to
be released from the
anterior pituitary
- See adrenal cortex
mindmap
- See adrenal cortex
mindmap
- Gonadotropin
releasing hormone
causes release of
leutinising hormone
and follicle
stimulating hormone
from the anterior
pituitary
- See gonad mindmap
- See gonad mindmap
- Thyroid releasing hormone
released from the
hypothalamus in response
to stress anfd cold
temperature causes release
of thyroid stimulating
hormone from the anterior
pituitary
- Hypothalamus release
neurones into the
hypophyseal portal
system that stimulates
endocrine cells
- Secrets six peptide hormones In
response to hypothalamic signals
- Connected to pituitary via
infundibulum, held in place by sellae
- Release of substance from
peripheral glands con control the
hypothalamus by negative
feedback
- Primary disease - problem with peripheral
gland (unresponsive to hormone stimulating
hormone or doesn't release endocrine hormone
- Secondary disease - pituitary doesn't respond to
hypothalamus or doesn't release stimulating hormone
- Tertiary disease - hypothalamic
problem; doesn't release releasing
hormone
- Primary disease - problem with peripheral
gland (unresponsive to hormone stimulating
hormone or doesn't release endocrine hormone
- Posterior pituitary/ neurohypophysis
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