Class Notes (905,668)
CA (538,502)
Western (51,531)
ANAT 3319 (925)

Anatomy Notes

3 Pages

Anatomy and Cell Biology
Course Code
Anatomy and Cell Biology 3319
Peter Merrifield

This preview shows page 1. Sign up to view the full 3 pages of the document.
 

Loved by over 2.2 million students

Over 90% improved by at least one letter grade.

Leah — University of Toronto

OneClass has been such a huge help in my studies at UofT especially since I am a transfer student. OneClass is the study buddy I never had before and definitely gives me the extra push to get from a B to an A!

Leah — University of Toronto
Saarim — University of Michigan

Balancing social life With academics can be difficult, that is why I'm so glad that OneClass is out there where I can find the top notes for all of my classes. Now I can be the all-star student I want to be.

Saarim — University of Michigan
Jenna — University of Wisconsin

As a college student living on a college budget, I love how easy it is to earn gift cards just by submitting my notes.

Jenna — University of Wisconsin
Anne — University of California

OneClass has allowed me to catch up with my most difficult course! #lifesaver

Anne — University of California
Anatomy NotesOct 1111 Components of the spinal cordEntry point for sensory information in spinal nervesContains somatic motor neurons of spinal nervesContains visceral motor neuronsthoracic sympathetic and sacral parasympathetic Ascending and descending sensory and motor pathways to the brain crossed and uncrossed Specialized regions Decreasing white matter caudally Cerebrospinal fluid can be sampled below the end of the spinal cord Contains the anatomical components of motor reflexes Lesions in different parts of the spinal cord produce sensory and motor abnormalities related to the functions of the tracts that have been damagedFunction of the spinal cord Through the spinal nerves that attach to it it is involved in sensory and motor innervation of the entire body It provides a twoway conduction pathway for signals between the body and the brain It is a major centre for reflexes The spinal cord extends from the foramen magnum at the occipital bone to the first or second lumbar vertebra L1 or L2 The end of the spinal cord is called the conus medullaris The filum terminale attaches and anchors the spinal cord to the coccyx There are 31 pairs of spinal nerves that are attached to the spinal cord through dorsal and ventral nerve rootsThere are 8 cervical nerves 12 thoracic nerves 5 lumbar nerves 5 sacral nerves and 1 coccygeal nerve There are cervical and lumbar enlargements which have to be bigger because this is where the nerves to the upper and lower limbs arise There is info coming in and out from the upper and lower limbs here The spinal cord is a segmented structure It forms from the neuroectoderm When the spinal cord develops it doesnt grow to be as long as the vertebral column At birth the spinal cord ends at the level of the lumbar vertebra L3 but b
More Less
Unlock Document

Only page 1 are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.