insect nervous systems and sense organs. types of neurons unipolar bipolar multipolar axon
TRANSCRIPT
INSECT NERVOUS SYSTEMS
AND
SENSE ORGANS
Types of Neurons
unipolar bipolar
multipolar
axon
Insect Central Nervous System
brain subesophageal ganglion
thoracic ganglia
abdominal ganglia
Insect Brain
protocerebrum
hypocerebral ganglion
recurrent nerve
subesophageal ganglion
tritocerebrum
deutocerebrum
frontal ganglion
corpus pedunculatum
optic lobe
hypocerebral ganglion
recurrent nerve
subesophageal ganglion
frontal ganglion
corpora cardiaca
corpora allata
Insect Brain - Dorsal View
ingluvial nerve
ingluvial ganglion
Stomatogastric Nervous System
hypocerebral ganglion
recurrent nerve
frontal ganglion
ingluvial nerve
ingluvial ganglion
Sensory Organs - Mechanoreceptors
seta (hair)
epithelium
trichogen cell
tormogen cell
membrane
bipolar neuron
HAIR SENSILLUM (TRICHOID SENSILLUM)
HAIR SENSILLUM (TRICHOID SENSILLUM)
Sensory Organs - Mechanoreceptors
coeloconic ampullaceous
campaniformplacoid
Sensory Organs - Mechanoreceptors
Chordotonal organs
scolopale
neuron
scolopidium
Johnston’s Organ
Johnston’s Organ
Chemoreceptors
Thin-walled Thick-walled
Chemoreceptors
Thin-walled
coeloconic
plate
basiconic
Insect Eyes
lens
crystalline cone
Semper’s cell
primary pigment cell
secondary pigment cell
retinular cell
rhabdom
axons to CNS
basement membrane
Insect Eye
Two kinds of Eye