Скачать или смотреть MEDULLA OBLONGATA TAMIL || FUNCTION || VOMITING VASOMOTOR CENTRE || COUGH CENTRE || SNEEZING CENTRE

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BRAIN STEM


Introduction
The brainstem is the structure that connects the cerebrum of the brain
to the spinal cord & cerebellum.

PARTS OF BRAINSTEM
Brainstem consists of
MIDBRAIN
PONS
MEDULLA OBLONGATA

RELATIONSHIP OF BRAINSTEM
Superior - FOREBRAIN
Inferior - SPINAL CORD
Posterior- PONS & MEDULLa OBLONGATA
is separated by the fourth ventricle


medulla oblongata
Is connected by superior , middle ,inferior cerebellar peduncle

CRANIAL NERVE - BRAINSTEM
Cranial nerve emerging from brainstem
3 , 4 Mid brain
5 Pons
6,7,8 Junction of pons and
medulla
9,10,11,12 Medulla



MEDULLA OBLONGATA
Located In hind brain anterior to the cerebellum
FUNCTION
Breathing
Heart rate
Blood pressure
Vomiting vasomotor centre
Cough centre
Sneezing centre

MEDULLA OBLONGATA FUNCTION
Responsible for Respiratory drive
Maintenance of Blood pressure
All Motor output travel through the brainstem
Vision , smell and all Sensory activities traffic arrives through the brain stem
Mediate Cranial nerve reflexes

CRANIAL REFLEXES
Pupillary light reflex
Accommodation reflex
Jaw jerk reflex
Corneal reflex
Vestibulo ocular reflex
Gag reflex



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