Question

Biol 71 Lab Kurushima S2020 LAB 17: BRAIN Note: This handout is intended to help you focus on the major points covered in a but is in no waya replacement for tab attendance or your textbooks. You need to bring the following items with you to lab every week • LabPrintout available on the class Canvas site • Textbook Human Anatomy ed. By Martini, Talisch and Nath Before coming to lab each week you should read this handout and the assigned textbook readings listed EXERCISE 1: BRAIN STRUCTURE PART A: MAJOR REGIONS OF THE BRAIN 1. Read "Major Regions and Landmarks" on p. 04 and p. 406 of your textbook 2 Label the following major regions on the brain below. You may wish to the region using colored pencils and be the following Cereb Cerer Diencephalon Lab 17: Brain Biol 71 Lab Kurushima 52020 PART B: THE BRAIN STEM The brainstem is responsible for relaying information to the cerebrum andere n Rase contains areas that are vital to the autonomic nervous system and reflexes. There are three major parts to the brain stem 1 Usepp 413 415 of your textbook to describe the functions of each region of the brainstem below Functions Medulla oblongata • Midbrain (mesencephalon)

Answer 1

Part A major parts of brain

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A cerebrum

B diencephalon

C cerebellum

D brain stem

E midbrainb or mesencephalon

F pons

G medulla oblongata

H pineal gland

I epithalmus

J pituitary

K hypothalamus

L thalamus

M ventricle

N midbrain

O cerebral aqueduct

Part B brain stem

Structure	function
Medulla	The medulla oblongata helps regulate breathing, heart and blood vessel function, digestion, sneezing, and swallowing. This part of the brain is a center for respiration and circulation.
Midbrain/ mesencephalon	Midbrain, also called mesencephalon, region of the developing vertebrate brain that is composed of the tectum and tegmentum. The midbrain serves important functions in motor movement, particularly movements of the eye, and in auditory and visual processing.
Pons	The pons contains nuclei that relay signals from the forebrain to the cerebellum, along with nuclei that deal primarily with sleep, respiration, swallowing, bladder control, hearing, equilibrium, taste, eye movement, facial expressions, facial sensation, and posture.

E midbrain/ mesencephalon

F pons

G medulla

Part C Diencephalon

Structure	function
Epithalmus	function of the epithalamus is to connect the limbic system to other parts of the brain. Some functions of its components include the secretion of melatonin by the pineal gland (involved in circadian rhythms), and regulation of motor pathways and emotions.
Thalamus	The main function of the thalamus is to relay motor and sensory signals to the cerebral cortex
Hypothalamus	One of the most important functions of thehypothalamus is to link the nervous system to the endocrine system via the pituitary gland.

H pineal gland

I epithalmus

J pituitary

K hypothalamus

L thalamus