extra Flashcards
what is present between afferent and efferent fibres of spinal nerves
interneuron
stepping on something sharp
crossed extention coupled with withdrawal reflex
what does a stimulus do to a receptor
inc its permeability, causing non selective opening of all ion channels causing influx of sodium and depolarization
what has no refractory period
receptor
where are tertiary sensory neurons
in thalamus
tactile receptors in skin phasic or tonic
phasic
muscle stretch and joint phasic or tonic
tonic
what displays labelled line coding
somatosensory
what neurons do lateral inhibition
secondary neurons in spinal chord or medulla
neuron firing in wakeful state
not coordinated due to RAS
what hapepns to the two cells produced by the mitotic division of the spermatogonia
one goes to the germ line to maintain it
what hapepns to the two cells produced by the mitotic division of the spermatogonia
one goes to the germ line to maintain it
one goes to lumen to undergo spermatogenesis
when do sperm cells stop sharing cytoplasm
between spermatid and spermatozoa
process of spermatid to spermatozoa
spermiogenesis not spermatogeneiss
where are spermatozoa stored and concentrated
epidydimis
how is semen quality measured
spermiogram
where does sperm emission occru
in the urethra
how is the erection generating centre triggered
mechanically by touching glans penis
what does cGMP maintain
corpus cavernosum relaxation
ICSI what type of oocyte
MII
what develops into the fetal portion of the placenta
tropoblast
what does the inner cell mass of the blastocyst become
fetus
decidua
endometrium
what secretes hCG
tropoblast cells
