Hypothalamus

The male reproductive system , as stated previously, is different from the female reproductive system. The male reproductive system consists of testes, ducts, accessory sex glands, the penis, and scrotum (McLafferty, 2012 p1). The testes consist of glandular tissue and each testis is contained in a white fibrous capsule called the tunica albuginea (McLafferty 2012 p1). The testes are held in the scrotum which is a loose sac of skin and smooth muscle. Approximately two months before birth, the…

continues until the orgasm phase (Giuliano 2011). The erection process seems to be tied to the reactions of smooth muscles, which is dependent on the parasympathetic system where nitric oxide activates the process (Giuliano 2011). In desire the hypothalamus seemed to be the dominant aspect of the brain that is activated but the muscles and parasympathetic system are more in control. It is interesting to see the parasympathetic system in regards to erection as it is usually known for being used…

nucleus (PVN) of the hypothalamus. CRH is synthesized by neurons in the parvocellular/small cell division of the PVN, and it is secreted into the pituitary portal blood (5-7). CRH via portal blood enters the anterior pituitary and binds to type 1 CRH cell-surface receptors, resulting in ACTH secretion (8-10). ACTH acts on the adrenal cortex, specifically on the zona fasciculata, to stimulate cortisol secretion (11). Cortisol inhibits the secretion of CRH and ACTH from the hypothalamus and…

vasopressin within the hypothalamus. Body…

the excess or shortage solutes or water. When water intake is not enough, blood volume decreases, blood pressure goes down, and this leads the renin secretion which promotes releasing of angiotensin II for increasing osmotic pressure to stimulate hypothalamus. Also water loss is regulated by ADH with water reabsorption mechanism. When osmotic pressure increased ADH also secreted to promotes absorbing water from the collecting ducts causing the produce of concentrated…

The production of each hormone is kept balanced by the feedback mechanism between the individual gland (the thyroid, for example), the hypothalamus, and the pituitary gland. If a gland overproduces or underproduces a hormone, the master glands register this from the amount of hormone in the bloodstream. The master glands then respond by regulating the hormonal production. The system works with great precisior; despite the fact tat the hormones are transported in the bloodstream and are…

This allows the hypothalamus to regulate daily rhythms such hunger and the reticular formation to regulate daily sleep rhythms. Sleep is an essential part of life, but do we know why we fall unconscious for thirty percent of the day? A variety of theories have been made for…

The endocrine system is one of the major systems in the body, it is one of the two systems established for regulating the body to achieve homeostasis. This system plays a role in long distance intercellular communication, coordination, and homeostasis control (Rice University-Open Stax, 2016). It is made up of a collection of glands which produce hormones, regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, mood, in addition to a plethora of other…

Which of the following would NOT be a possible outcome of elevated TSH secretion? A) increased TRH synthesis B) increased T3/T4 synthesis C) increased body temperature D) decreased blood cholesterol levels E) increased lipolysis ____ 66. Increased levels of thyroid hormones would A) decrease basal metabolic rate. B) up regulate beta receptors C) impair body growth. D) decrease the effects of norepinephrine on the heart and blood vessels. E) decrease protein synthesis. ____ 67. Calcitonin A) is…

Chapter 4 begins with the story of a young man named A, who had history of getting in relationship with woman who already have boy friend and there was act of sexual fantasies with violence in it. His childhood was not a normal since his mom was alcoholic, his siblings were seems to be mentally incapable of taking care of themselves and constant domestic violence. Later his intimate relationship seems to be erotic as well as constantly threating and violence. Humans have different degree of…