Lec 14 Flashcards
What is a neurosecretory cell?
A nerve cell that secretes horomones
What four hormones are made in the Hypothalmus?
Oxytocin, Vasopressin/ADH, RH and IH
The anterior and posterior lobes of the pituitary are formed from which respective germ layers?
Adenohypophysis-> ectoderm
Neruohypophysis-> Nerual ectoderm
The neurohypophysis secretes hormones ____ into the circulatory system but made by the ______
The neurohypophysis secretes hormones directly into the circulatory system but made by the hypothalmus
The adenohypophysis makes it’s own hormones but is regulated by ___&___ hormones made in the _______.
The adenohypophysis makes it’s own hormones but is regulated by IH&RH hormones made in the hypothalmus.
The pituitary gland rests below the ____ and sits in the ___ ____
The pituitary gland rests below the hypothalmus and sits in the sella turcica
In females, LH regulates ____ while ____ regulates the maturity of gametes.
In females, LH regulates ovulation while FSH regulates the maturity of gametes.
In males, ____ regulates the maturity of sperm and LH stimulates the release of ______.
In males, FSH regulates the maturity of sperm and LH stimulates the release of Testosterone.
Estrogen and Progesterone are both made by the ____, _____ is responsible for female sexual characteristics and _____ aids estrogen in regulating the menstrual cycle and maintaining pregnancy.
Estrogen and Progesterone are both made by the ovary, estrogen is responsible for female sexual characteristics and progesterone aids estrogen in regulating the menstrual cycle and maintaining pregnancy.
Which lobe of the pituitary contains a portal system?
Anterior
Name hormones that is involved in converting lymphocytes into T-Cells and in which gland this takes place.
Thymosin, thymopoitin, thymyus humeral factor; thymus gland
The Thymus gland develops from ____ in the _rd gill slit pouches, while the throid and parathyroid develop in the _rd and _th gill slit pouches.
The Thymus gland develops from endoderm in the 3rd gill slit pouches, while the throid and parathyroid develop in the 3rd and 4th gill slit pouches.
The adrenal cortex is derived from ____, while the medulla is derived from ___ ____
The adrenal cortex is derived from mesoderm, while the medulla is derived from neural crest
Aldosterone, made in the adrenal cortex, is an example of what general hormone?
Mineralcorticoids
Pancreatic hormone Glucagon is secreted by ____ cells, while insulin is secreted by ___ cells.
Pancreatic hormone Glucagon is secreted by alpha cells, while insulin is secreted by beta cells.
