Anotomy Cell Communication Flashcards
Brain stem consist of what
1) mid brain , medull oblengata , pron
Peripheral nervous system (pNS) consist of what ?
Cranial nerves and the spinal nerves and third associated ganglia
Spinal cord it extend from ….
From caudal end of the meddle
Lower border of L1
Spinal cord it extend in newborn baby ?
From the upper border of L3
The central nerves system is surrounded by ….
Meninges which consist of 3 fibers tissue
In the PNS
How many
cranial nerve ( )
Spinal nerve ()
12
31
At week of the embryonic the nerves system develop ?
At the 3ed week
neurulation
What is the job of the nervous system ?
Will induce the development of the nerves system
The fusion begins at what future border ?
At the midbrain and hind brain and continues in 2 direction anterior and posterior
What are the secondary vesicles? In forebrain and hindbrain
Forebrain — Telencephalon, diencephalon
Hind brain —
Pons and cerebellum ,
Medulla oblongata
What is the name of the subdivision that form Thalamus and Hypothalamus ?
Diencephalon
White mater contain what ?
Nerve body , axons , nerve fibers
Gray mater contain what ?
Advanced stages where the cells will differentiate
Cell differentiation in the matrix cells
Neuroblast ,neuroglial ,ependymal
Chromaffin cells are rising from where?
From the ventral stream of the neural crest