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Flashcards in Spinal Anatomy Deck (144)
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1

The ectoderm gives rise to what

all neurons and supporting cells

2

The notochord induces the ectoderm to do what

form the neuroectoderm (remnant IVD as "nucleus pulposus")

3

The ectoderm forms what

forms neural plate ("neuroectoderm")

4

The neural plate, which is formed by the ectoderm, forms neural groove which houses what

Spinal cord and Brain vesicles

5

What does the Neural Crest develop into? (good luck....11)

Brachial arches
Pns
Schwann cells, Pia and arachnoid meninges
Sacral parasympathetics
Spinal (sensory) and autonomic ganglia
Mesencephalic nucleus of V
Melanocytes
Bones and Connective tissue of head
DRG
Ganglia of CN V, VII, IX, X
Adrenal gland medulla (AKA suprarenal)

6

Neural plate (brain cells) develop into what
(MoaNER)

Macroglia
Oligodendrocytes
Astrocytes
Neurons of CNS
Ependymal cells
Retinal cells

7

The Endoderm epithelium forms the lining of what

the digestive tube and its associates structures

8

The divisions foregut/midgut forms the what

Liver and pancreatic buds (Gem)

9

What are the component of the primitive gut

Foregut
midgut
hindgut
allantois

10

what are the components of the foregut (face and neck)?

glands buccal cavity, esophagus, stomach, pharyngeal pouches and pharynx

11

What are the components of the midgut (mid section)?

Duodenum, jejunum, appendix, part of the transverse colon

12

what are the components of the hindgut (ass area)

part transverse, sigmoid and descending colon, rectum and upper anal canal

13

what are the components of the Allantois (PeePee area)

urinary bladder, vaina, urethra, prostate and urethral glands

14

What cells form the Sclerotome?

Somite cells

15

what does the Sclerotome differentiate into

vertebral column (cartilage and bone) and it also forms the Myotome (muscle) and the Dermatome (skin)

16

what are the cervical dermatomes

C1-none
C2-scalp
C3-nape of neck
C4-shoulder
C5-delt
C6-lateral forearm to thumb
C7- digits 2,3 and half of 4
C8- half of digit 4 and the medial forearm

17

What are the Thoracic dermatome levels (fill in missing)

T1-medial elbow
T2-axilla
T4-nipple
T7-xiphoid
T10-umbilicus
T12-superior to the inguinal ligament

18

what are the lumbar dermatomes

L1-inguinal ligament to the superior thigh
L2-middle thigh
L3-crosses knee
L4-medial nee to floor
L5-top of foot and side of leg

19

what are the sacral dermatomes

S1-bottom of foot, baby toe and calf
S2- posterior thigh
S3- Big ring around anus
S4-anus

20

The foramen ovale becomes what in adults

fossa ovalis

21

the Ductus arteriosus becomes what in adults

ligamentum arteriosum

22

the Ductus venosus becomes what in adults

ligamentum venosum

23

what does the umbilical vein become

the ligamentum teres (round ligament)

24

what does the umbilical arteries become

the medial umbilical ligaments

25

what does the urachus become

remnant of the duct of allantois

26

the fossa ovalis is between what

intraatrial septum

27

what does the ligamentum arteriosum bypass

lung pulmonary trunk to arch of aorta

28

what does the ligamentum venosum bypass

sinusoids of getal liver

29

Simple squamous cells help with filtration and diffusion and are found where

capillaries, alveoli, glomeruli

30

Cilliated pseudostratifies columnar cells are used in lining things and are found where

trachea and upper respiratory tract