ADEshL
ADEshR
ABarppaaaa
ABarpppaaa
ADEsoL
ADEsoR
H2
aa L
(ABarppaaapaa)
H2 aa R
(ABarpppaapaa)
AMshL
AMshR
ABplaapaapp
ABpraapaapp
AMsoL
AMsoR
ABplpaapapa
ABprpaapapa
ADFL, ADLL, AFDL*, ASEL, ASGL, ASHL, ASIL, ASJL, ASKL, AWAL**, AWBL**, AWCL**
ADFR, ADLR, AFDR*, ASER, ASGR, ASHR, ASIR, ASJR, ASKR, AWAR**, AWBR**, AWCR**
Components of amphid sensilla
*The AFD neuron is embedded in the sheath but not associated with the amphid pore
**The cilia of these neurons are enclosed by the sheath cell and not open to outside
ref.1
CEPshDL
CEPshDR
CEPshVL
CEPshVR
ABarpaaaapp
ABarpaaapap
ABplpaaapap
ABprpaaapap
CEPsoDL
CEPsoDR
CEPsoVL
CEPsoVR
ABalapapppp
ABalapppppp
ABalppaappp
ABalaapappp
CEPDL, also CEMDL in male
CEPDR, also CEMDR in male
CEPVL, also CEMVL in male
CEPVR, also CEMVR in male
Components of cephalic sensilla
In males, sensory endings of CEM neurons are also found within the cephalic sensilla. CEM neurons open to the outside through a small papilla (See Ward et al, 1975 Fig. 33)
ref.2
ILshDL
ILshDR
ILshL
ILshR
ILshVL
ILshVR
ABalaaaparr
ABalaaappll
ABalaaaalpp
ABalaapaapp
ABalppapaap
ABarapppaap
ILsoDL
ILsoDR
ILsoL
ILsoR
ILsoVL
ILsoVR
ABplaapaaap
ABpraapaaap
ABalaaapall
ABalaaapprr
ABalppapapp
ABarapppapp
ref.2
OLLshL
OLLshR
ABalpppaapd
ABpraaaaapd
OLLsoL
OLLsoR
ABalapaaapp
AB alappappp
OLQshDL
OLQshDR
OLQshVL
OLQshVR
ABarpaaaapa
ABarpaaapaa
ABalpppaaap
ABpraaaaaap
OLQsoDL
OLQsoDR
OLQsoVL
OLQsoVR
AB arpaaaaal
AB arpaaaaar
AB alppaaapp
AB alaappapp
ref.2
PDEshL
PDEshR
V5 papp L
V5 papp R
PDEsoL
PDEsoR
V5 papa L
V5 papa R
PHshL
PHshR
ABplpppapaa
ABprpppapaa
PHso1L
PHso2L
PHso1R
PHso2R
T paa L
T pap L
T paaR
T papR
Components of phasmids
T cell and its daughters play a temporary role as phasmid socket cell in early larval life
PHso2L is invaginated by the ciliated ending of PQR near the base of the left phasmid and provides wrapping of this neuron more posteriorly (Hall and Russell, 1991)
ref.3
Components of hook sensillum
P10.papp, P11.ppp, P11.ppap and P12.pa are also part of the sensillum
ref.3
PCshL
PCshR
Y plppv
Y prppv
PCsoL
PCsoR
Y plap
Y prap
PCAL, PCBL, PCCL
PCAR, PCBR, PCCR
Components of postcloacal sensilla in male
PChL and PChR hypodermal cells are also part of these sensilla
PCCL/R have striated rootlets but lack basal bodies
ref.3
SPshDL
SPshVL
SPshDR
SPshVR
B alpapap
B a(l/r)aaldp
B arpapap
B a(l/r)aardp
SPso1L
SPso2L
SPso3L
SPso4L
SPso1R
SPso2R
SPso3R
SPso4R
B a(l/r)pppl
B a(l/r)aald
B a(l/r)aalv
B alpapp
B a(l/r)pppr
B a(l/r)aard
B a(l/r)aarv
B arpapp
SPDL , SPVL
SPDR, SPVR
Components of male copulatory spicules
In the adult, in each spicule, the 4 socket cells become syncytial as do the two sheath cells.
SPCL/R, a pair of motor neurons, are also associated with the spicules and innervate spicule protractor muscles. Each of SPCL/R also has a sensory ending with a striated rootlet and is attached to the muscle over the base of the spicule by hemi-adherens junctions; hence they can be proprioceptive. SPCL/R do not have basal bodies.
Spicule socket cells express dopamine synthesis rate-limiting enzyme CAT-2 (Lints R. and Emmons S.W. 1999). Socket cells are essential for spicule elongation and formation of spicule cuticle during male spicule morphogenesis whereas spicule neurons and sheath cells are dispensible for spicule morphogenesis (Jiang L. I. and Sternberg P. W. 1999).
ref.3
Male sensory ray structural cells
(joint sheath and socket function)
ref.3
References:
1- Mutant sensory cilia in the nematode C. elegans. L.A. Perkins et al. Dev. Biol. (1986) 117:456-487
2- Electron microscopical reconstruction of the anterior sensory anatomy of C. elegans. S. Ward et al. J. Comp. Neurol. (1975) 160:313-338
3- C. elegans male postembryonic development of nongonadal structures. J. Sulston et al. Dev Biol. (1980) 78:542-576
4- The nerve ring of the nematode C. elegans. R. W. Ware et al. J. Comp. Neurol. 162:71-110
