Frog lab

epidermis

outremost layer, keratinized epitheial cells

dermis

contains sensory receptors, BV’s, hair follicles, nerve endings

hypodermis

fat and connective tissues for insulation/cushioning - anchors skin to muscles and bones

swimming response is lost at

cerebullum 2nd incision

posture response is lost at

cerebellum 2nd incison

breathing response is lost at

medulla oblongata 2nd incison

tounge postion is lost at

hypoglossal nerve, 2nd incision

righting reflex is lost at

cerebellum 2nd incision

acid reflx is lost at

brainstem 2nd incison

withdrawl reflex is lost at

spinal cord 3rd incison

electrical stimulaton reaction is caused by

triggering action potential

root dissection reaction is caused by

ECF Na+ entered severed end

salt on end of cut root reaction is caused by

deploarization - threshold - NP

orajel reaction is caused by

Na+ channels blocked by anesthic (the gel)

ANS constriction of pupil

parasympathetic - acetylcholine

ANS dilation of pupil

sympathetic - epinephrine

reflex arc.

sensory receptors, afferent pathway, integration center, efferent pathway, effector