Endocrine Flashcards
What are the endocrine glands ?
Ductless glands that produce hormones which go directly into the blood stream
Endocrine tissues apart from glands are-
Prostaglandin
Kidney
GI tract
Skin
Placenta
Liver
Location of hypothalamus
Base of brain
Function of hypothalamus
Secretes hormones that signals the release of hormones from the pituitary gland
What are the physiological functions affected directly by the hypothalamus?
Water balance
Sleep
Temperature
Appetite
Blood pressure
Location of pituitary gland
Sella Turcica
Two parts of pituitary gland ?
Anterior pit ( adenohypophysis)
Posterior pit ( neurohypophysis)
Hormones of adenohypophysis?
Growth hormone.
Thyroid, stimulating hormone
Adenocorticotropic hormone
Gonadotropic hormone
Prolactin
Melanocyte stimulating hormone
Another name for Growth Hormone ?
Somatotropin
Function of TSH
Thyroid stimulating hormone
Promotes growth of thyroid gland and secretion of thyroxin
ACTH function
Adrenocorticotropic hormone
Promotes growth of adrenal cortex and secretion of steroid hormone
What are the gonadotropic hormones ?
FSH
LH
Hormone responsible for milk production?
Prolactin
Hyper secretion of which hormone causes hyperpigmentation?
Melanocyte stimulating hormone
Hormones of the neurohypohysis ?
ADH
OXYTOCIN
Vasopressin is which hormone ?
ADH
Functions of ADH
Antidiuretic hormone -
Reabsorption of water by kidney
Maintain blood pressure by constricting arterioles
Which hormone stimulates contraction during labor ?
Oxytocin
Location of pineal gland ?
Below the corpus callosum in the middle of the brain
Hormone produced by pineal gland ?
Melatonin
Serotonin
Function of melatonin
Control sleep cycle
Function of serotonin
Mood stabilizer
Which gland serves as an important landmark in an X-Ray of the brain?
Pineal gland
Thyroid gland location
Anterior aspect of the neck on either side of rod the trachea
What connects the connects the two lobes of the thyroid gland
Isthmus
Hormones of the thyroid gland ?
T4- thyroxine / tetraiodothyronine
T3 - triiodothyronine
What are thyroid hormones composed of?
Iodine and tyrosine
Which hormones are responsible for maintaining metabolism of body ?
T3 T4 thyroid hormones
Which thyroid hormone is responsible for maintaining levels of calcium ?
Calcitonin
Location of parathyroid gland ?
Behind the thyroid gland
Function of parathyroid hormone?
Mobilizes the calcium stored in the bones through the blood to where it is required.
Location of thymus gland
Posterior to the sternum in the mediastinum
Hormone of thymus gland ?
Thymosin