Anatomy Test 4 - Nervous system

"reads" blood-regulate autonomic centers to stimulate adrenal medulladecide if too high or too low in hormonescan direct release of hormonesthe "master gland"Pituitary gland(hypophysis):-as an endocrine gland-produces hormones (adenohypophysis) -- anterior pituitary-glandular part- developed from oral ectoderm-as a neural structurestores hormones of hypothalamus (neurohypophysis)outpocket of the brainhormones release from hereAdrenal gland-as an endocrine gland-produces hormones (both cortex and medulla)-glandular part- derived from mesoderm (developed from posterior abdominal wall)cortex-as a neural structure-acts as a post ganglionic neuron! (release epinephrine, norepinephrine)-derived from neural crest cells (develop from nearby sympathetic ganglia)medullaanterior pituitary-huge effectnumerous effectex.growth hormonetoo much before puberty - more ventricle growth --gigantismdwarfism- too little throughout lifeafter puberty- thickening the bone after growth plates setThyroid glandthyroxine (TH) increase oxygen consumption, rate of energy, utilization, and heat production, increasemetabolismhypothyroidism --feel coldTSH- produced to make thyroid bigger to produce more thyroxineReviewmeninges-protective membranes of CNSdura mater- two layersendosteal -outermeningeal-inner layersplit apart form dural sinussuperior sagital sinus runs between longitudinal fissurearachnoidarachnoid villi-absorb cerebral spinal fluid into bloodpia mater- adheres to brainspinal cord- extension off of pia materdenticulate ligaments-lateral support to spinal cordventricles -2 lateralthird ventricle