4 terms

Chapter 5- Human development


Terms in this set (...)

Gestational Age
Age of fetus or newborn in wks from first day of mothers last normal period
gestational period: 38-42 weeks
divided into 3 trimesters
Conceptual age
Age of fetus or newborn in weeks since conception
Fetal sensorimotor development
Muscle Spindle
1st: Muscle starts to differentiate
tissue becomes specialized

2nd: motor end plate forms
clonus response to stretch

3rd: Some muscles are mature and functional and others are still maturing.
Fetal sensorimotor development
Touch and Tactile system
1st: First sensory system to develop
Response to tactile stimulus

2nd: Receptors differentiate