Anatomy and Physiology Outline

Outline Spinal Cord, Spinal Nerves, Somatic Reflexes-Chapter 13 Reflexes- they atomic number 18 involuntary stereotyped responses to stimuli, they bear on the brain, spinal anaesthesia heap, and peripheral braces Spinal cord- cylinder nervous wander that begins at the foramen magnum and passes through the vertebral canal as removed as the inferior margin of the first lumbar vertebrae (L1), 18 inches long and ½ inches wide Anterior Median Fissure- in the front, deeper Posterior Median Sulcus- in the back, shallow ? devil Enlargements for Limbs: (up and ware below) 1. Cervical Enlargement- in the inferior cervical region, the spinal cord gives rise to the nerves of the upper limbs, up 2. Lumbar Enlargement- in the lumbosacral region at that place are nerves to the pelvic region and lower limbs arise, below Medullary Cone- the spinal cord becomes more tapered ?Meninges- the spinal cord and brain are enclosed in triplet fibrous membranes, specialized membranes that sti fle the spinal cord A. shock absorption B. animal(prenominal) stableness C. agate line vessels that branch within these layers to provide oxygen and nutrients 1.

dura mater Mater- outmost most layer, forms a innocent fitting branch called the dural sheath around the spinal cord, though and fiborous, it ordain ruffle with the periosteum of the occipital bone around the formamus magnum Coccygeal Ligament- inferiorly the dura entangle will blend with the filum terminal, longitudinal support -horizontally there is stability by fusing with connective tissue of the spinal nerve such(prenominal) that the dura mate r will extend out of the IVF extradural Spa! ce- the space between the sheath and the vertebrae bone, the space between the dura and the paries of the vertebral canal, it has loose connective tissue, blood vessels and fatty tissue 2. arachnid Mater- adheres to the dural sheath, it consists of a simple squamous epithelium, the arachnidian membrane Subarchnoid Space- a loose mesh of... If you want to outfox a full essay, rule it on our website: OrderCustomPaper.com

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