Gross Anatomy of the Brain and Cranial Nerves

Helpfulness: 0
Set Details Share
created 4 years ago by chaneasegarvey
3,880 views
updated 4 years ago by chaneasegarvey
Grade levels:
College: First year, College: Second year, College: Third year, College: Fourth year
show moreless
Page to share:
Embed this setcancel
COPY
code changes based on your size selection
Size:
X
Show:
1

Central Nervous System

card image

-consists of the brain and spinal cord, which primarily interpret incoming sensory information and issue instructions based on that info and on past experience

2

Peripheral Nervous System

card image

-consists of the cranial and spinal nerves, ganglia, and sensory receptors

3

Two Subdivisions of PNS

1.Sensory Portion
2.Motor Portion

4

Sensory Portion

-consists of nerve fibers that conduct impulses toward the CNS

5

Motor Portion

-contains nerve fibers that conduct impulses away from the CNS
-consists of the somatic division and autonomic nervous system

6

Somatic Division (sometimes called the voluntary system)

card image

-controls the skeletal muscles

7

Autonomic Nervous System (often referred to as Involuntary Nervous System)

card image

-controls smooth and cardiac muscles and glands
- its sympathetic and parasympathetic branches play a role in maintaining homeostasis

8

Neural Tube

-epithelial tube developed from the neural plate and forming the central nervous system of the embyro

9

Three major regions of the brain

card image

1.Forebrain
2.Midbrain
3.Hindbrain

10

Ventricles

card image

-cavities within the brain that are filled with cerebrospinal fluid

11

Cerebral Hemispheres

card image

-either half of the cerebrum
the most superior portion of the brain

12

Gyri

card image

-elevated ridges of tissue

13

Sulci

card image

-shallow grooves

14

Fissures

card image

-deeper grooves

15

Longitudinal Fissure

card image

-single deep fissure

16

Central Sulcus

card image

-divides the frontal lobe from the parietal lobe

17

Lateral Sulcus

card image

-separates the temporal lobe from the parietal lobe

18

Parieto-occipital Sulcus

card image

-on the medial surface of each hemisphere divides the occipital lobe from the parietal lobe

19

Insula

card image

-fifth lobe of each cerebral hemispheres
-buried deep within the lateral sulcus
-covered by portions of the temporal, parietal, and frontal lobes.

20

Primary Somatosensory Cortex

card image

-region of the brain where nerve signals from the sense of touch are normally received
-located in the postcentral gyrus of the parietal lobe

21

Somatosensory Association Cortex

card image

-incoming stimuli is analyzed
-allows you to become aware of pain, coldness, a light touch, and the like

22

Uncus

- the hooklike anterior end of the hippocampal gyrus on the temporal lobe of the brain

23

Primary Motor Cortex

card image

- responsible for conscious or voluntary movement of skeletal muscles.
-located in the precentral gyrus of the frontal lobe

24

Broca's area

card image

-specialized speech motor area
-located at the base of the precentral gyrus just above the lateral sulcus
-located in only one cerebral hemisphere, usually the left

25

Prefrontal Cortex

card image

-contains many areas involved in intellect, complex reasoning, and personality
-anterior portions of the frontal lobes

26

Wernicke's Area

card image

-at the junction of the parietal and temporal lobes
-an area in which familiar words are sounded out
-located in only one cerebral hemisphere, typically left

27

Cerebral Cortex

card image

-outer layer of gray matter of the cerebral hemispheres
-responsible for for higher brain function, including sensation, voluntary muscle movement, thought, reasoning, and memory

28

Cerebral White Matter

card image

-composed of fiber tracts carrying impulses to or from the cortex

29

Diencephalon

card image

-posterior part of the forebrain that connects the midbrain with the cerebral hemispheres
-encloses the third ventricle, and contains the thalamus and hypothalmus

30

Olfactory Bulbs

card image

-the bulblike distal end of the olfactory lobe, where the olfactory nerves begin
-synapse point of cranial nerve I

31

Pituitary Gland

card image

-small oval endocrine gland attached to the base of the vertebrate brain and consisting of an anterior and posterior lobe

32

Mammillary Bodies

card image

- one of two small round structures on the undersurface of the brain that form the terminals of the anterior arches of the fornix
-relay stations for olfaction
-bulges exteriorly from the floor of the hypothalamus just posterior to the pituitary gland

33

Brain Stem

card image

-the stemlike portion of the brain connecting the cerebral hemispheres with the spinal cord
-comprising the pons, medulla oblongata, and midbrain

34

Cerebellum

card image

-cauliflower-like
-projects dorsally from under the occipital lobes of the cerebrum.
*outer cortex made up of gray matter
*inner region of white matter

35

Pons

card image

-consists primarily of motor and sensory fiber tracts connecting the brain with lower CNS centers

36

Medulla Oblongata

card image

composed primarily of fiber tracts

37

Corpus Callosum

card image

-major commissure connecting the cerebral hemispheres

38

Fornix

card image

-bandlike fiber tract concerned with olfaction as well as limbic system functions

39

Septum Pellucidum

card image

-separates the lateral ventricles of the cerebral hemispheres

40

Thalamus

card image

-consists of two large lobes of gray matter that laterally enclose the shallow third ventricle of the brain

41

Hypothalamus

card image

-makes up the floor and inferolateral walls of the third ventricle
-involved in regulation of body temperature, water balance, and fat and carbohydrate metabolism

42

Epithalamus

-forms the roof of the third ventricle
-most dorsal portion of the diencephalon
-contains pineal gland

43

Cerebral Aqueduct

card image

-a slender canal traveling through the midbrain
-connects the third ventricle to the fourth ventricle in the hindbrain below

44

Meninges

card image

-3 layer of connective tissue membranes covering and protecting the brain and spinal cord

45

Dura Mater

card image

-outermost meninx double layered membrane
1.Periosteal layer
- attached to the inner surface of the skull forming the periosteum
2.Meningeal Layer
- forms the outermost brain covering and it continuous with the dura mater of the spinal cord

46

Arachnoid Mater

card image

-weblike middle meninx
-underlies the dura mater and is partially separated from it by the subdural space

47

Pia Mater

card image

-the innermost meninx
-highly vascular and clings tenaciously to the surface of the brain


Related pages


select the correct statement describing feedback control in animalspsychology perspectives quizdescribe the structure and function of the nuclear envelopewhat is neurolemmathe structure which closes off the larynx is thepnf patterns d1 d2where is the rectus abdominis muscle locatedshoulder abduction muscles usedexamples of compact bonebiotest reviewwhat is reabsorbed in the proximal convoluted tubuledefine polygraph testchapter 22 descent with modification a darwinian view of lifedecomposers oceanlist of southeast states and capitalsphases of cytokinesisanatomy of a multipolar neurondocusate sodium nursing implicationsnaming functional groups quizwhat does msa stand foranatomy physiology circulatory systemroot fractpertaining to internal organs medical termvariolation definitionap biology chapter 9 study guide answerswhich of the following organs lies in the retroperitoneal spacemal root wordwhich blood sample contained the universal recipientafter ovulation the ovary secretessurgical fixation of the bladder to the abdominal wallprotects and supports plant cellsthe antimicrobial polymyxinarousal sports psychology3 gorges dam case studypertaining to the thigh bonewhat are the semilunar valves of the heartwhat is the name of the covalent compound ccl4if the papilla of a hair follicle is destroyedaldehyde ketone carboxylic aciddefinition of perimetriumwhich of the following is a unique feature of oligopolypro athletes overpaidischial tuberosity attachmentsun dia de estos analysisnmes parameters for quad strengtheningsocrates logicwhat are prokaryotic and eukaryotic cellswhat is gender typing in psychologyportal of entry for tuberculosisbutterfly shaped bone in skullvascular tunicorgans of the alimentary canal in orderoschner clampsite of spongy bone in adulttectorial membrane functionprime mover shoulder abductionwhat type of macromolecule is gelatindefine mechanoreceptorsdifferent species of finchesarticulating bones of the shouldereasy notecards reproductive systemgiovanni arnolfini and his bridein eukaryotic cells transcription and translationmedication braceletc6 h12 o6 o2frederic martini fundamentals of anatomy and physiologythe stimulus for the release of pancreatic enzymes iscapillary that may contain kupffer cellslymphatic immune system organsnew freedom apushchapter 19 apushstraight numeric filing systemwordly wise flashcardsthe climate in the temperate zone is _____about one out of every ten drivers __________