The suprachiasmatic nucleus or nuclei abbreviated SCN is a tiny region located in the hypothalamus situated directly above the optic chiasm. It is responsible for controlling circadian rhythms. The neuronal […]
List of articles in "Anatomical Structure" category - Page 391
Paraventricular nucleus of hypothalamus
The paraventricular nucleus (PVN PVA or PVH) is a neuronal nucleus in the hypothalamus. It contains multiple subpopulations of neurons that are activated by a variety of stressful and/or physiological […]
Supraoptic nucleus
The supraoptic nucleus (SON) is a nucleus of magnocellular neurosecretory cells in the hypothalamus of the mammalian brain. The nucleus is situated at the base of the brain adjacent to […]
Striated muscle tissue
Striated muscle tissue is muscle tissue that has repeating sarcomeres in contrast with smooth muscle tissue. Specifically striated muscles are: Skeletal striated muscle Branchiomeric muscle (embryologically different from skeletal muscle) […]
Notochord
The notochord is a flexible rod-shaped body found in embryos of all chordates. It is composed of cells derived from the mesoderm and defines the primitive axis of the embryo. […]
Endocardium
The endocardium is the innermost layer of tissue that lines the chambers of the heart. Its cells are embryologically and biologically similar to the endothelial cells that line blood vessels […]
Cooper’s ligaments
Cooper’s ligaments (also known as the suspensory ligaments of Cooper and the fibrocollagenous septa) are connective tissue in the breast that help maintain structural integrity. They are named for Astley […]
Spinothalamic tract
The spinothalamic tract is a sensory pathway originating in the spinal cord. It is one component of the anterolateral system. It transmits information to the thalamus about pain temperature itch […]
PP cell
Γ (gamma) cells (PP cells) are pancreatic polypeptide producing cells in the islets of Langerhans of the pancreas. They are very few in number and are polygonal in shape.PP cells […]
Alpha cell
Alpha cells are endocrine cells in the islets of Langerhans of the pancreas. They make up 33-46% of the human islet cells[citation needed] and are responsible for synthesizing and secreting […]