Unit 6 endocrine system
what is the function of ACTH
Adrenal glands secrete cortisol
what are the 3 types of hormone secreating cells in the pancreas
Alpha Beta Delta
What are the 2 hormones of the posterior pituitary?
Antidiuretic hormone (ADH) Oxytocin
what is the function of FSH
Gonadal tissue follicles development in ovaries and sperm production
what is the function of LH
Gonadal tissue secretion of sex hormones (gonadotropins)
What is checked in the endocrine exam
Gonads Hypothalamus/pituitary Pancreas Adrenal
What is the function of gonads
Hair and gender
what is severe hypothyroidism in adults
Myxedema
What glands are not able to be examined in a physical exam
Parathyroid and Adrenal glands
what hormones diffuse though cell membrane and enter ANY cell and attach to its receptor
Steroid hormones
what are the 3 zones of the adrenal cortex
Zona Glomerulosa Zona Fasciculata Zona Medulla
what is Grave's disease
a autoimmune cause of hyperthyroidism in adults
what is the function of the hypothalamus
communication and control with the pituitary gland for hormone secretion
what is the function of ADH
decreases water release from kidneys and vasoconstriction
what are the fucntions of the pancreas
endocrine and exocrine
what are chemical messengers that affect target cells
hormones
what chemical signals does the endocrine system use
hormones
what is the structure of the endocrine system
hypothalamus Pituitary gland thyroid parathyroid adrenal gland pancreas
what is the function of the Parathyroid
increase blood calcium and phosporus, stimulates osteoclasts
what are steroid hormones and examples
lipid based and derived from cholesterol sex hormones, aldosterone and corisol
what chemical signals does the nervous system use
neurotransmitters
what hormones bind with protein receptors on the cell membrane for intracellular enzyme activities
nonsteroid hormones
what is hypothyroidism
not enough T3/T4
what is the function of calcitonin
regulates blood calcium and phosphorus i response to high calcium levels, stimulates osteoblasts
what is the function of TSH
release of T3/T4 hormones and gland enlargement
what is the function of Zona Glomerulosa
secretes Aldosterone SALT BOI
what is the function of the endocrine system
secretes hormones directly into the bloodstream (it is ductless)
what is the function of the exocrine glands
secretes hormones/enzymes and wastes into ducts or onto body surfaces
what is the function of the adrenal medulla
secretes nor/epinephrine stimulates a fight or flight with longer lasting effects
what causes an increase in ADH secreation
severe blood loss
what occures when there is an iodine deficiency resulting in overstimulation of the thyroid gland
simple goiter
what are the two different types of hormones
steroid and non-steroid
what is the third hormone produced by the thyroid
Calcitonin
What connects the pituitary gland to the hypothalamus?
the Infundibulum
what sends TSH to the thyroid
the anterior pituitary gland
what is sever hypothryoidsim in children
Cretinism
What are the 6 hormones secreted by the anterior pituitary?
Thyroid stimulating hormone (TSH) Prolactin (PRL) Adrenocorticotropic hormone (ACTH) Luteinizing Hormone (LH) Follicle stimulating hormone (FSH) Growth Hormone (GH)
what are the 7 hypothalamic releasing hormones
Thyrotropin releasing hormone (TRH) Prolactin releasing factor (PRF) Prolactin release inhibiting hormone (PIH) Corticotropin releasing hormone (CRH) Gondotropin releasing hormone (GnRH) Growth hormone releasing hormone (GHRH) Somatosatin (SS) GROWTH INHIBITING
what are the 2 hormones secreated by the thyroid
Thyroxine T4 Triiodothronine T3
what links the hypothalamus and anterior pituitary gland
the hypothalamo-pituitary portal vessels
where is there an interaction between the nervous and endocrine systems
the hypothalamus
what is hyperthyroidism
too much T3/T4
what is the function of oxytocin
causes contraction during pregnancy
what are the cells grouped around vessels in the pancreas called
Islets of Langerhans
what is the function of alpha cells
Secrete Glucagon (Lock) raises blood sugar
What is the function of Beta Cells
Secrete Insulin (Key) Lower blood sugar
what is the function of Zona Fasciculata
Secretes Cortisol SUGAR BOI
What is the function of Zona Reticularis
Secretes Testosterone SEX BOI
what is the tough outer coat of the adrenal gland
adrenal cortex
what is the purpose of hormones
alter rate of chemical reactions Transportation water and electrolyte balance blood pressure reproduction development and growth
what are non-steroid hormones and examples
amino-acid based from proteins nor/epinephrine or glycoproteins
what connects the two lobes of the thyroid
an isthmus
what is the function of GH
bone, muscle and fat cell enlargment and rapid divison
what is the function of PRL
breast production of milk under inhibitory contol