Lab Practical 1 Flashcards
The transverse fissure divides what plane?
The Cerebrum from the Cerebellum
What is the function of the Oligodendocytes
to provide support and insulation to axons in the central nervous system
Cranial nerve number that originates from the Ponds
.V, VI, VII, VIII
Areas comprising the brain stem
Medulla oblongata, ponds, brain stem
What EEG wave predominates in an awakes/relax adult with eyes closed
Alpha
Drowsiness and sleep in an normal adult are exhibited in what EEG wave
Delta
Tecum is comprised of what structure–Located inferior or superior to the cerebral canal
.dorsal part of the mesencephalon (midbrain) Superior
What type of reflex where one taps on the calcaneal tendon. Is it stretch or superficial?
Superficial
Where would you find Bipolar Cells?
Eyes, Photoreceptiors
Name a Neuroglia cell
Microglia.
Dendrites transmit impulses (which direction) in relation to the soma of a neuron.
Towards.
Name the meningeal layer that folds to form the falx cerebrae
Dura Mater
Give an example of stretch reflex
.Golgi tendon reflex - Patellar reflex - Biceps reflex
What areas comprise the diencephalon
Thalamus, hypothalamus, epithalamus
What are comprise the brainstem
mid brain, pond, medulla oblingota
CFS flows from the Lateral Vesicles to the 3rd ventrical via the
Interventricular Foramen.
List the Cranial nerves that pass through the orbital fissures.
III, IV, VI, VII
The conus medullaris is located…Inferior or superior to the caude equina
the tapered, lower end of the spinal cord, superior to the caude equina
CN IX, X, XI, XII go through which general brain structure area.
Jugular foramen
The intraventricular foramen is the passageway to what 2 areas.
Lateral and 3rd ventricals
The myoneural junction is made up of or comprised of what structures
Axons and Dendrites.
The maxillary division of CN V is located in this foramen
.Foramen Rotundum
These structures are made up of ependymal cells and are located in the ventricle walls and secrete CNS
Choroid Plexus
CFS is formed in these structures or areas of ventricles
Lateral Ventrical
I nerve exit
Formina in cribriform plate of the ethmoid bone.
II exit
Optic canal
III, IV, V nerve exit
Superior Orbital fissure
Maxillary division exit V2
Foramen Rotundum
Mandibular division exit V3
Foramen Ovale
Ophthalmic division exit V1
Superior orbital fissure
VI exit
Superior orbital fissure
VII exit
Stylomastoid foramen
VIII exit
Internal acoustic meatus
IX, X, XI exit
Jugular foramen
XII exit
hypoglossal canal
Cross extension reflex
flexors withdrawing and contract and the extensors relax
Tendon reflex
determine the integrity of the spinal cord and peripheral nervous system
Brachial plexus
Radial, axillary, median, musculocutaneous, and ulnar nerve
Lumbar
femoral nerve 5
Sacral and Coccygeal plexus
tibial and common fibular of the sciatic nerve
Medulla oblongata
Controls vital centers
Olives
Carries sensory to the brain
Cervical Enlargement
8
Thoracic
12
Sacral
5