Visual Pathway & its defects - Optic nerve - Optic Chiasm - Optic tract - Lateral Geniculate Body

Visual Pathway & its defects - Optic nerve - Optic Chiasm - Optic tract - Lateral Geniculate Body in the metathalamus of the thalamus - optic radiation (including Meyer’s loop in the temporal lobe) - primary visual cortex in the occipital lobe of the cerebral cortex (cerebrum)…Visual field defects can cause complete blindness, bitemporal hemianopia (pituitary adenoma or pituitary tumor), contralateral homonymous hemianopia (with or without macular sparing)، quadrantanopsia,…etc. Neuroanatomy playlist.
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Пікірлер: 58

  • @MedicosisPerfectionalis
    @MedicosisPerfectionalis8 ай бұрын

    😷 Surgery HighYields Course: www.medicosisperfectionalis.com/

  • @MedicosisPerfectionalis
    @MedicosisPerfectionalis8 ай бұрын

    🧠 Neuroanatomy Playlist: kzread.info/head/PLYcLrRDaR8_cBHy0sWaCaLmOlJb9gzmA2&si=lnnSJhJJTUcfKl5b 🥼 Clinical Neurology Playlist: kzread.info/head/PLYcLrRDaR8_cQG-7JbGaeXsXGgBpK-Yzl&si=Qoi97evsN9uz-9Te 💀 Anatomy Playlist: kzread.info/head/PLYcLrRDaR8_cxbxAwLSQSx9v28Ezv3gQB&si=jqigBoyauPcen27C

  • @user-si8od3hy2e
    @user-si8od3hy2e8 ай бұрын

    Your lectures are always the best out there. Wish you only success!

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    8 ай бұрын

    Many thanks!

  • @user-yu9jk6vj6j
    @user-yu9jk6vj6j7 ай бұрын

    23:35, 10 and 11 are altitudinal visual field defects Causes can be G: glaucoma O:optic disc drusen A: ant ischemic optic neuropathy.

  • @user-iv2id2ex3i
    @user-iv2id2ex3i2 ай бұрын

    You are an angel in the field of medicine. ❤

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 ай бұрын

    I appreciate you so much!

  • @dahis6763
    @dahis6763Ай бұрын

    U make everything make sense, loovvvve

  • @Emanaia
    @Emanaia2 ай бұрын

    You are unbelievable Thank you so much sir My professor just read slides for us Thank you ❤

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 ай бұрын

    It's my pleasure!

  • @favie_1018
    @favie_1018Ай бұрын

    Broadmann area 17 is in the visual cortex. 18 and 19 are visual association areas.

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Ай бұрын

    Excellent!

  • @waelfadlallah8939
    @waelfadlallah89398 ай бұрын

    Amazing 😊

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    8 ай бұрын

    Thank you so much!

  • @amrmukhtar8951
    @amrmukhtar89515 ай бұрын

    Magnificent ❤

  • @simone5556
    @simone55567 ай бұрын

    Love the 1984 reference!

  • @heet1501
    @heet15014 ай бұрын

    I don't know that much but i have very random question can we directly connect eye to optic chiasm

  • @Doodi100
    @Doodi100Ай бұрын

    Please tell us what is the answer to the second question? I have a neurology exam next week 😢😢😢. Excellent explanation thank you very much.

  • @AhmedTaher-ph7ui
    @AhmedTaher-ph7ui6 ай бұрын

    بنها فخورة

  • @user-jx7zr1te4e
    @user-jx7zr1te4e4 ай бұрын

    Hi Medicosis !! How to get access to your premium Videos on neuroanatomy and other playlist ??

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    4 ай бұрын

    Join my KZread channel membership program to watch premium videos: kzread.info/dron/l-J-ovSJhA3or73Q2uVpow.htmljoin

  • @user-jx7zr1te4e

    @user-jx7zr1te4e

    4 ай бұрын

    Hi medicosis, this link is not working!! ​@@MedicosisPerfectionalis

  • @life42theuniverse
    @life42theuniverse4 ай бұрын

    Nerve is tract; Truth is lies.

  • @User-on35ghk
    @User-on35ghkАй бұрын

    Can anyone explain me what did he mean by ( the macula has bilateral cortical representation even if one cortex or one half or one hemisphere is “screwed” the macula is “spared” because the macula “get also supply” from the other cortex) I don’t speak English well but I understood everything at the beginning except this, also this bilateral cortical representation what is it exactly ? Thanks 🙏

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    Ай бұрын

    It means that sensory afferent fibers from each macula will reach both cerebral cortices.

  • @Lila.93
    @Lila.938 ай бұрын

    Is the 11th defect because the temporal optic radiation of both right and left cerebral hemisphere has a lesion?

  • @No-gx2vu

    @No-gx2vu

    5 ай бұрын

    But why macular sparing?🤔

  • @ShawrinAriya
    @ShawrinAriya2 ай бұрын

    Best sir

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    2 ай бұрын

    Thank you so much!

  • @icebear8659
    @icebear86595 ай бұрын

    16:51 small mistake here, upper lobe is parietal lobe not temporal lobe.

  • @danielhernandez-fo3mj

    @danielhernandez-fo3mj

    2 ай бұрын

    He said the upper is parietal and lower is temporal.... not sure how you heard him differently

  • @dahis6763
    @dahis6763Ай бұрын

    Thannnnnnnkk youuuuuuuu

  • @nidahanif6554
    @nidahanif65546 ай бұрын

    Broadmann area 17

  • @zacharyabere9729
    @zacharyabere97298 ай бұрын

    ❤ thank you so much! Surgical sutures 🪡 please.. if you can do the lecture on the same. Will appreciate

  • @sportsurge4895
    @sportsurge48957 ай бұрын

    🎉 complete

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    7 ай бұрын

    Thank you!

  • @ahmadalhadidi9411
    @ahmadalhadidi94114 ай бұрын

    22:37 If the macula has a bilateral cortical representation why wouldn’t the contralateral cortex compensate for the heminopia in a unilateral optic tract, LGB or radiation lesion?

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    4 ай бұрын

    Because when there’s a lesion in the optic tract, LGB, or the entire optic radiation, the macula doesn’t have any path to communicate with the cortex at all. Each macula connects to both cerebral cortices through nerve fibers, but these nerve fibers have to travel through optic nerve, optic tract, LGB, and optic radiation. If you injure any of these areas, then the only way the macula has to reach both occipital cortices has been severed! Does that make sense?

  • @ahmadalhadidi9411

    @ahmadalhadidi9411

    4 ай бұрын

    @@MedicosisPerfectionalis my question is if the lesion occurred after the optic chiasma, won’t the nasal fibers have already crossed to the other side to reach the contralateral cortex carrying macular visual impulses as well?

  • @nandipahtnkhoma1018
    @nandipahtnkhoma10183 ай бұрын

    What happens in dyslexia

  • @mahmoudyousif4745
    @mahmoudyousif4745Ай бұрын

    thank you so much for the content, YOU literally made everything understandable and as u said before we gonna pass the exam because of u xd thanks again and for the quiz ... could u check my answers.. question.(10) first part bilateral inferior quadrantanopia w\sparing macula second part > in the parietal optic radiation both sides question(11) first part bilateral superior quadrantanopia w\sparing macula second part > in the temporal optic radiation both sides

  • @AhmedTaher-ph7ui
    @AhmedTaher-ph7ui6 ай бұрын

    GOAT

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    6 ай бұрын

    Thank you!

  • @adlyaboamra8753
    @adlyaboamra87538 ай бұрын

    I am still studying this lecture

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    8 ай бұрын

    I wish you success!

  • @adlyaboamra8753

    @adlyaboamra8753

    8 ай бұрын

    thank you

  • @adlyaboamra8753

    @adlyaboamra8753

    8 ай бұрын

    @@MedicosisPerfectionalis اتوصى بنا شويه على رأى المصريين

  • @i_amkingsley4267
    @i_amkingsley426717 күн бұрын

    Broadman area 17

  • @CHEH_tf
    @CHEH_tf8 ай бұрын

    another goated video

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    8 ай бұрын

    Thank you!

  • @areh0670
    @areh06707 ай бұрын

    ⁠ What is your specialty??🤩

  • @ragaeeramzy7432
    @ragaeeramzy74328 ай бұрын

    First comment ❤

  • @MedicosisPerfectionalis

    @MedicosisPerfectionalis

    8 ай бұрын

    Thank you!

  • @lovelysouls3382
    @lovelysouls33828 ай бұрын

    17??

  • @CHEH_tf

    @CHEH_tf

    8 ай бұрын

    it actually is area 17, gg

  • @dahis6763
    @dahis6763Ай бұрын

    17 1:52

  • @B0NA_
    @B0NA_2 ай бұрын

    Please who understood the joke at the beginning 😅

  • @JohnAhenkorah-dj4bj
    @JohnAhenkorah-dj4bj25 күн бұрын

    Broadmann area 28

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