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prostaglandins pgs -because they were first found in semen which is produced partly by the prostate gland they were named
liver -the liver produces a protein angiotensinogen which is changed to angiotensin ii by an enzyme renin secreted by the juxtaglomemlar apparatus of
heart -the cells called cardiocytes of atria of the heart secrete peptide hormone called atrial natriuretic factor anf in response of an increased
placenta -placenta is the intimate connection between the foehls and the uterine wall of the mother to exchange the materialsplacenta is a tempormy
gastro-intestinal mucosa -it develops from the endoderm of the embryoinner most layer of the wall of the alimentary canal is called mucosa certain
kidneys -origin they develop from the mesoderm of the embryothe kidneys secrete three hormones renin erythropoetin and calcitrioli renin whenever the
disorders of the gonadshypogonadism inadequate gonadal function is called hypogonadism it is due to defects in or injury to the hypothalamus the
functions of testosterone -a it stimulates the growth and development of male secondary sex organs like the seminal vesicles prostate and penis it
gonads -they develop from the mesoderm of the embryothe gonads are the sex glands the ovaries and the testes they produce ova and sperms respectively
thymus -it is derived from the endoderm of the embryostructure the thymus gland is located in the upper part of the thorax near the heart it is a
pineal gland epiphysis cerebri -it develops from the ectoderm of the embryothe pineal gland is located between the cerebral hemispheres where it
disorders of the pancreas -i diabetes mellitus hypoinsulinismthe insulin-dependent diabetes mellitus iddm is caused by a failure of the beta-cells to
functions -a it is antagonistic to glucagon insulin decreases the level of glucose in the blood it acts by increasing the rate at which glucose is
hormones of pancreas and their role - i glucagon secreted by a-cellsit stimulates the liver to convert stored glycogen into glucoseglucagon is
adrenal medullathe adrenal medulla develops from the neuroectoderm of the embryomedulla consists of chromaffin cells or phaeochromocytes these cells
disorders of the adrenal cortex -i addisons disease this disease is caused by the deficiency of mineralocorticoids and
hormones cortical steroids corticoids-hormones of adrenal cortex are grouped into three catagories mineralocorticoids glucocorticoids and
parathyroid disorders -i hypoparathyroidism deficiency of pth it causes the lowering of blood calcium level this increases the excitability of nerves
hormone the chief cells of the parathyroids secrete a hormone called parathyroid hormone pth or parathormone or also called collips hormone after the
thyroid disorders -a hyperthyroidism hypersecretion of thyroid hormonegraves disease or basedows disease or parrys disease or exophthalmic goitre it
hormones the thyroid gland secretes following hormonesthyroxine tetraiodothyronine or t4 and tri-iodothyronine or t3 are secreted by the thyroid
pituitary disorders -a pituitary dwarfism it is caused by the deficiency of growth hormones gh from childhood it is characterised by small but well
a hormones of the anterior lobe -the anterioriobe of the pituitary gland secretes the following hormones most of them are trophic hormonesi
hypothalamus -hypothalamus develops from the ectoderm of the embryolocation and structure it lies below or inferior to the thalamus the hypothalamus
characteristics of hormones -1 they are regulatory chemicals that control and coordinate functions of different body organs2