all right so let's begin by saying that this is the anterior aspect of the brain and if I turn it around you will be able to appreciate that this is the posterior aspect of the brain well how do we know this this is called the cerebellum so let's start identifying some structures let's talk about the lobes so this is the frontal lobe all of this right here you have the parietal lobes this one is the temporal lobe the occipital lobe and the and this one right here this is called the insula so all of this
that's your insula for you to identify this you need to take off this structure right here and it's deep that's the insula so now let's talk about the structures and landmarks alright so this right here that's called the longitudinal fissure and it's very long this one right here that goes from side to side this is called the central sulcus this one it goes by two names the old school name that's called the Sylvian fissure and now they're calling it the lateral sulcus it is important to mention that the raised portions of the brain these the
little mountains those are called the gyrus or gyri one is plural one is singular and the indentations those shallow depressions the ones are looked like this all of these those are called sulci or sulcus again one is singular the other one is plural right so now that started in to find some structures of the brain let's put this aside all right I'm gonna zoom in all right so let's start identifying some structures first of all all of this that's called your cerebrum and this right here that's your cerebellum so cerebrum and cerebellum all right so
this right here that's called the corpus callosum all of this that's the corpus callosum this is the anterior commissure and that's the posterior commissure so corpus callosum anterior commissure posterior commissure let's talk about this if your professor asks you for this space the space is the lateral ventricle however if your professor asks you for the structure this is called the septum pellucidum septum means a partition or a wall so it acts like a wall from this side of the brain from from the other half of the brain so structure is the septum pellucidum the space
is the lateral ventricle so corpus callosum anterior commissure posterior commissure the space lateral ventricle the structure septum pellucidum let's take a look at number 12 this is called the fornix the fornix makes the floor of the lateral ventricle the fornix also is a part of the limbic system all right so fornix this right here this pink peachy color 26 this is resembling your choroid plexus specialized cells that are called ependymal cells or ependymal cells however you want to pronounce it the main function of these cells is to create cerebral spinal fluid CSF alright so we
talked about the corpus callosum the space being the lateral ventricle the structure is the septum pellucidum the fornix makes the floor of the lateral ventricle this is the choroid plexus let's take a look at the this is the anterior commissure posterior commissure at 23 this structure right here this is called a pineal gland all right the pineal gland is responsible to secrete melatonin melatonin is going to give you that drowsy state so when you want to fall asleep melatonin has to kick in alright so let's talk about this right here this is your thalamus this
is your hypothalamus 22 is called the inter thalamic adhesion or inter thalamic mass the word inter means in between so Lamech is referred to the thalamus and adhesion is just the connection all right so thalamus hypothalamus in truth anomic adhesion all of this space that's your third ventricle so the lateral ventricle is here if she's your professors were asking for the space this space that's the third ventricle alright so let's take a look at the hypothalamus this structure right here that's called the pituitary gland the pituitary gland and the hypothalamus have a connection via the
infundibulum so the infundibulum is this structure right here and it's connecting the pituitary gland and the hypothalamus so there's a direct connection alright so we said that this was the lateral ventricle third ventricle this space right here that's your fourth ventricle alright so to get from the third ventricle to the fourth you go by this route this is called this is it goes by two names you say the aqueduct of the midbrain or disarray bro aqueduct if you give either of both names you should be fine so lateral ventricle third ventricle fourth ventricle how do
you get to the fourth will you take these cerebral aqueduct or the aqueduct of the midbrain alright so numbers we said that this is the pituitary gland and this is the infundibulum and this is the hypothalamus number 24 this round structure this is called the mammillary body and it's a bilateral structure meaning that you have one here and also on this it's right here right there all right so mammillary body right there sounds we coming as we going down right here you're gonna see this structure right here so you have one bump and one bump
at the bottom if I put these half together you should be able to appreciate that there's one bump on the top on this house and another bump on the top on this house sorry and another bump on the top of this half as well so you also have the inferior bump here and also on this side right there so now these four bumps one two three four collectively are called your corpora quadrigemina the two bumps on the top are called the superior colliculi so you have one on this top and the other one to the
other half the superior colliculi are responsible for your visual reflexes while the inferior colliculi are responsible for your auditory reflexes alright so as we're moving down we said that this space was the fourth ventricle let's take a look at this structure so this was your cerebellum and they cut it for you this way so you can appreciate this structure this white matter that's called the arbor vitae which translates from Latin to the Tree of Life and it resembles a tree it's a beautiful structure alright so now let's take a look at this right here this
is the pons or whether you can remember it's making that little P do you see that that's the pons all right so this is the pons inferior this region that's your medulla oblongata right there so pons and medulla oblongata if I turn the brain this way let me take this one you should be able to appreciate if I put this together number 33 on this side and this side doesn't have a number but this those are your cerebral peduncles I hope you can see that 33 on this side and nothing marked on this side that's
your cerebral peduncles right so cerebro cerebral peduncle pons medulla oblongata all of this that's your cerebrum and this is your cerebellum by the way the folds under cerebellum are called folia folia are the folds right there and that's it
