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- https://bio.libretexts.org/Courses/Hanover_College/Comparative_Anatomy_and_Physiology_of_Animals/05%3A_The_Central_and_Peripheral_Nervous_Systems/5.01%3A_The_Central_Nervous_SystemThe central nervous system is made up of the brain and spinal cord and is covered with three layers of protective coverings called meninges (from the Greek word for membrane). The outermost layer is t...The central nervous system is made up of the brain and spinal cord and is covered with three layers of protective coverings called meninges (from the Greek word for membrane). The outermost layer is the dura mater with the primary function for this thick layer is to protect the brain and spinal cord. The dura mater also contains vein-like structures that carry blood from the brain back to the heart. The middle layer is the web-like arachnoid mater. The last layer is the pia mater.
- https://bio.libretexts.org/Courses/Butte_College/BC%3A_BIOL_2_-_Introduction_to_Human_Biology_(Grewal)/Text/11%3A_Nervous_System/11.5%3A_Central_Nervous_SystemThis very odd-looking drawing is called a homunculus. The greenish mass represents a cross-sectional wedge of the human brain.
- https://bio.libretexts.org/Courses/Clinton_College/BIO_403%3A_Microbiology_(Neely)/08%3A_Infectious_diseases_of_the_Skin_Eyes_and_Nervous_System/8.02%3A_The_Nervous_System/8.2.05%3A_The_Central_Nervous_SystemThe central nervous system is made up of the brain and spinal cord and is covered with three layers of protective coverings called meninges (from the Greek word for membrane). The outermost layer is t...The central nervous system is made up of the brain and spinal cord and is covered with three layers of protective coverings called meninges (from the Greek word for membrane). The outermost layer is the dura mater with the primary function for this thick layer is to protect the brain and spinal cord. The dura mater also contains vein-like structures that carry blood from the brain back to the heart. The middle layer is the web-like arachnoid mater. The last layer is the pia mater.
- https://bio.libretexts.org/Courses/Skyline_College/BIOL_130%3A_Human_Biology/06%3A_Nervous_System/6.05%3A_Central_Nervous_SystemThis very odd-looking drawing is called a homunculus that represents a cross-sectional wedge of the human brain.
- https://bio.libretexts.org/Courses/Community_College_of_Vermont/Human_Biology_(Gabor_Gyurkovics)/11%3A_Nervous_System/11.05%3A_Central_Nervous_SystemThis very odd-looking drawing is called a homunculus. The greenish mass represents a cross-sectional wedge of the human brain.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Map%3A_Raven_Biology_12th_Edition/42%3A_The_Nervous_System/42.03%3A_Synapses-_Where_Neurons_Communicate_With_Other_CellsThe central nervous system is made up of the brain and spinal cord and is covered with three layers of protective coverings called meninges (from the Greek word for membrane). The outermost layer is t...The central nervous system is made up of the brain and spinal cord and is covered with three layers of protective coverings called meninges (from the Greek word for membrane). The outermost layer is the dura mater with the primary function for this thick layer is to protect the brain and spinal cord. The dura mater also contains vein-like structures that carry blood from the brain back to the heart. The middle layer is the web-like arachnoid mater. The last layer is the pia mater.
- https://bio.libretexts.org/Courses/Manchester_Community_College_(MCC)/BIOL_106%3A_Essentials_of_Anatomy_and_Physiology_(Anzalone)/07%3A_The_Nervous_System_and_Senses/7.05%3A_Central_Nervous_SystemThis very odd-looking drawing is called a homunculus that represents a cross-sectional wedge of the human brain.
- https://bio.libretexts.org/Courses/Cosumnes_River_College/Introductory_Anatomy_and_Physiology_(Aptekar)/06%3A_Nervous_System/6.05%3A_Central_Nervous_SystemThis very odd-looking drawing is called a homunculus that represents a cross-sectional wedge of the human brain.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/15%3A_The_Anatomy_and_Physiology_of_Animals/15.06%3A_Hormones/15.6.01%3A_Human_Hormones/15.6.1.05%3A_Hormones_of_the_HypothalamusThis page discusses the hypothalamus's role in regulating hormone secretion through various neurons. Key hormones include TRH, GnRH, GHRH, CRH, somatostatin, and dopamine, which influence the anterior...This page discusses the hypothalamus's role in regulating hormone secretion through various neurons. Key hormones include TRH, GnRH, GHRH, CRH, somatostatin, and dopamine, which influence the anterior pituitary's functions. TRH stimulates TSH and prolactin, GnRH is essential for reproduction, GHRH prompts growth hormone, and CRH causes ACTH release. Somatostatin and dopamine inhibit growth hormone and prolactin, respectively.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/15%3A_The_Anatomy_and_Physiology_of_Animals/15.06%3A_Hormones/15.6.01%3A_Human_Hormones/15.6.1.11%3A_Leptin_-_the_Fat_HormoneThis page discusses laboratory mice with genetic mutations ob/ob and db/db, which have enhanced understanding of leptin's role in appetite regulation and metabolism. Leptin, produced by fat cells, inf...This page discusses laboratory mice with genetic mutations ob/ob and db/db, which have enhanced understanding of leptin's role in appetite regulation and metabolism. Leptin, produced by fat cells, influences the hypothalamus, inhibits food intake, and affects liver and muscle cells. Although some human trials show potential benefits of recombinant leptin for certain genetic mutations, outcomes for the general obesity population have not been promising.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/General_Biology_1e_(OpenStax)/7%3A_Animal_Structure_and_Function/35%3A_The_Nervous_System/35.3%3A_The_Central_Nervous_SystemThe central nervous system is made up of the brain and spinal cord and is covered with three layers of protective coverings called meninges (from the Greek word for membrane). The outermost layer is t...The central nervous system is made up of the brain and spinal cord and is covered with three layers of protective coverings called meninges (from the Greek word for membrane). The outermost layer is the dura mater with the primary function for this thick layer is to protect the brain and spinal cord. The dura mater also contains vein-like structures that carry blood from the brain back to the heart. The middle layer is the web-like arachnoid mater. The last layer is the pia mater.
