Science Quiz / Endocrine Histology

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Can you name the the HYTQ concepts?

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QuestionAnswer
develops from the thickened lateral walls of the pouch of the anterior pituitary and forms a collar or sheath around the infundibulum
stimulates myoepithelial cells of the mammary gland andstimulates contraction of smooth muscle in the pregnant uterus
True or False: The release of catecholamines and peptide hormones occurs by merocrine secretion, while thyroxine and steroid hormones diffuse across the membrane.
principal component of the colloid
this hormone decreases blood calcium by stimulating absorption of calcium by the bones
endocrine gland that regulates daily body rhythm
a pea sized compound endocrine gland that is also known as the hypohysis
prolactin is released by acidophils or basophils of the anterior pituitary?
chief cells of the pineal gland
luteinizing hormone (LH) is released by acidophils or basophils of the anterior pituitary?
how many hormones are secreted by the anterior pituitary?
oxytocin is secreted by the ______ nuclei?
True or False: The pineal gland arises from an outpocketing of the diencephalon
hormone release by the anterior pituitary stimulates kidney and liver to secrete IGF-1, which stimulates bone growth
this class of hormones requires a transport protein such as androgen binding protein to reach target cells
which pituitary lobe is known as the adrenohypohysis?
norepinephrine and epinephrine are examples of what class of hormone?
these cells secrete calcitonin
thin remnant of the posterior wall of the pouch of the anterior pituitary lobe that abuts the pas distalis
release of aldosterone from the adrenal gland is stimulated by what?
this class of hormones does not readily need transport proteins when released in the blood
portion of the posterior pituitary that contains neurosecretory axons and their endings
stimulates thyroid growth and secretion of thyroxines
narrow outer zone of the adrenal cortex that secretes mineralcortacoids
decreases urine volume by increasing reabsorption of water by collecting ducts, decreases perspiration in response to dehydration, and increases blood pressure by stimulating contr
QuestionAnswer
maintains structure and stimulates secretion of glucocorticoids and gonadocorticoids.
somatostatin _____ the release of growth hormone.
hormonal control classified as hormones secreted and acts on same cell
follicle-stimulating hormone (FSH) is is released by acidophils or basophils of the anterior pituitary?
embryologic origin of the posterior lobe of the pituitary?
these cells secrete PTH
gel-like mass within the thyroid follicle
hormonal control classified as hormones secreted into the blood to be transported to the effector cell.
regulates body rhythms and day/night cycles and inhibits secretion of gonadotropin-releasing hormone (GnRH) from the hypothalamus, which regulates the release of FSH and LH.
what embryonic structure descends in the neck and divides into left and right thyroid lobes.
synthesized from tyrosine and packaged into secretory vesicles
what hormone stimulates the release of growth hormone?
regulates maturation of ovarian follicle, ovulation, and corpus luteum formation
this class of hormones is translated by ribosomes at the rough endoplasmic reticulum, packaged in the Golgi apparatus, and transported to the cell surface via secretory vesicles
neurotransmitters synthesized from tryptophan
this molecule inhibits the release of prolactin
hormone promotes mammary growth and initiates milk formation
which pituitary lobe is known as the neurohypohysis?
IGF-1 is produced by _____.
an indolamine whose synthesis and release via diffusion through the membrane is enhanced during the dark cycle.
released upon the endocytosis and lysosomal degradation of iodothyroglobulin
Tumor of chromaffin cells resulting in the overproduction of catecholamines.
cells of the adrenal medulla that secrete epinephrine and norepinephrine
thick middle zone of the adrenal cortex that releases gluococorticoids
growth hormone is released by acidophils or basophils of the anterior pituitary?
QuestionAnswer
this class of hormones is synthesized from cholesterol by enzymes present in mitochondria and endoplasmic reticulum
true or false: ADH acts to increase permeability of the distal portions of the nephron by acting on aquaporins
_____ _____ _____is a disorder related to a abnormal regulation of day/night cycles.
embryologic origin of the anterior lobe of the pituitary?
this hormone increases blood calcium by promoting release from bones
the portion of the adrenal gland that produces catecholamines
adrenocorticotropic hormone (ACTH) is released by acidophils or basophils of the anterior pituitary?
calcified concretions in the pineal gland
a roughly spherical cystlike compartment with a wall formed by simple cuboidal epithelium
ADH is secreted by the ______ nuclei.
thryrotropic hormone (TSH) is released by acidophils or basophils of the anterior pituitary?
cells specific to the posterior pituitary
the inner zone of the adrenal cortex that is involved in producing the sex hormones or androgens
membrane bound neurosecretory granules unite to form _____ ____ that contain oxytocin and vasopressin.
gonadal and adrenocortical hormones are examples of what class of hormone?
hormonal control classified as hormones secreted from one cell to act on adjacent cells.
insulin, glucagon, growth hormone, and FSH are examples of what class of hormone?
the portion of the adrenal gland that produces steroid hormones
these type of hormones regulate activity of hormones in other endocrine glands
stimulates follicular development and spermatogenesis
_____ is an iodinated tyrosine derivative embedded within thyroglobulin, which is released during the endocytosis and lysosomal degradation. _______ then diffuses out of the cell.
these cells are responsible for the production of T3 and T4
comprises the bulk of the anterior lobe of the pituitary gland. arises from the thickened anterior wall of the pouch

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