UA BSC 215 - Final Exam Study Guide (22 pages)

Previewing pages 1, 2, 21, 22 of 22 page document View the full content.
View Full Document

Final Exam Study Guide



Previewing pages 1, 2, 21, 22 of actual document.

View the full content.
View Full Document
View Full Document

Final Exam Study Guide

380 views


Pages:
22
Type:
Study Guide
School:
University of Alabama
Course:
Bsc 215 - Human Anatomy & Physiology I
Human Anatomy & Physiology I Documents

Unformatted text preview:

BSC 215 1nd Edition Final Exam Study Guide Chapters 14 16 Chapter 14 The Brain and Cranial Nerves 14 1 Overview of the Brain Two directional terms of CNS anatomy are o Rostal towards the nose or towards the forehead o Caudal towards the tail or towards the brainstem Three sections of the brain cerebrum cerebellum and brainstem The cerebrum is about 83 of the brain s volume and consists of a pair of half globes called the cerebral hemispheres Each hemisphere is marked by thick ridges called gyri separated by shallow grooves called sulci The deep longitudinal groove the longitudinal fissure separates the left and right hemispheres Hemispheres are connected by a thick bundle of nerve fibers called the corpus callosum The cerebellum occupies the posterior cranial fossa inferior to the cerebrum o Second largest region of the brain The brainstem is all of the brain except the cerebrum and cerebellum Major components are the diencephalon midbrain pons and medulla oblongata Brain is composed of gray and white matter Gray matter seat of neurosomas dendrites and synapses forms a surface layer called the cortex over the cerebrum and cerebellum White matter is composed of tracts or bundles of axons which connect one part of the brain to another to the spinal cord Mature brain anatomy is described by forebrain midbrain and hindbrain In an embryo o A neural tube develops first and becomes a fluid filled space that later constitutes the central canal and ventricles o Neural crest gives rise to the arachnoid mater and pia mater most of PNS sensory and autonomic nerves integumentary and endocrine systems The forebrain divides into the telencephalon and diencephalon The midbrain mesencephalon The hindbrain divides into two vesicles the metencephalon and myelencephalon 14 2 Meninges Ventricles Cerebrospinal Fluid and Blood Supply The brain has four internal chambers called ventricles The largest and most rostral ones are the two lateral ventricles which form an arc in each cerebral



View Full Document

Access the best Study Guides, Lecture Notes and Practice Exams

Loading Unlocking...
Login

Join to view Final Exam Study Guide and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Final Exam Study Guide and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?