Flashcards in development Deck (10)
the development of the nervous system, at three to four weeks' gestational age, begins with ______
Neurulation occurs when the ________ overlying the _______ begins to forrow, forming a ______ surrounded by two ________. Cells at the leading edge of the neural fold are called the _____________, and will migrate throughout the body to form disparate tissues, including ___ r___ ___, _____ytes, and _______-producing cells of the thyroid. The remainder of the furrow closes to form the ______, which will ultimately form the _______. The neural tube also has an ______ plate, which differentiates into ____ neurons and a ______ plate, which differentiates into _______ neurons.
neural crest cells
dorsal root ganglia
The embryonic brain begins as three swellings, the _____, ______, and ______.
prosencephalon, mesencephalon, rhombencephalon
The prosencephalon becomes the ___ and _____
The rhombencephalon becomes the ______ and ____
The ______ reflex is the automatic turning of the head in the direction of a stimulus that touches the cheek
The _____ reflex involves flinging out arms, then retracting them and crying in response to abrupt movements of their heads
The _______ reflex causes the toes to spread apart automatically when the sole of the foot is stimulated
Catching is a fine/gross motor skill