Intro Flashcards
3D model
https://www.minerva.shef.ac.uk/minerva/med/RAS/
Label different planes?
Which way is rostral?
Which way is caudal?
Rostral- front brain
Caudal- back brain
Which way is dorsal?
Which way is ventral?
Dorsal- above horizontal division and down
Ventral- below horizontal division and down
What is central nervous system (CNS) composed of?
Brain (encephalon)
Spinal cord
What are main 3 parts of brain?
Hindbrain (rhombencephalon)
Midbrain (mesencephalon)
Forebrain (prosencephalon)
What is Hindbrain divided into?
Medulla oblongata
Pons
Cerebellum
(formed from metencephalon)
What is midbrain divided into?
Tectum
Cerebral peduncle
What is forebrain divided into?
Diencephalon
Telencephalon
What makes up brainstem?
Midbrain
Pons
Medulla
Label
What encloses and surrounds CNS?
Meninges
What are different meninges? (outside to inside)
Dura mater (outside)
Arachnoid mater
Pia mater (inside)
DAP
What meninge is adhered to surface of CNS?
Pia mater
What cells provide physical and metabolic support for neurons?
Astrocytes
What are 2 layers of dura mater?
Outer endosteal later
Inner meningeal- dura mater proper
What meninge loosely covers brain, spiderweb?
Arachnoid mater
What seperates pia from arachnoid mater?
What does it contain?
Subarachnoid space
Contains CSF
Where is cerebrospinal fluid located?
Subarachnoid space
Define white matter in CNS?
Define grey matter in CNS?
White matter- formed nerve fibres (axons) and myelin sheaths
Grey matter- neuron cell bodies
Is cell bodies white or grey matter?
Grey
What are the neuronal processes called?
Neuropil
