. Fresh-water biology. Freshwater biology. FREE-LIVING NEMATODES 461 outnumber them; and the number of free-living individuals is so great that they probably constitute one of the important mechanical as well as biological factors in soil, and in the bot- Lateral field , Pharyngeal bulb , Pharynx , Salivary gland , Muscular Iiiyer , CulJcula . Hair . Esophagus, . Cuticula . Nerve-ring , Duct ot ventral gland., . Esophagus. , Nerve ring ,, Ridsc in ciilicula ;. Esophagus - Stria of cuticula i. Sub-cuticuV I. "Wing of culirul; I. Cuticula. Cardiac bulb 1. Dorsiil field I. Valvular apparatus
. Fresh-water biology. Freshwater biology. FREE-LIVING NEMATODES 461 outnumber them; and the number of free-living individuals is so great that they probably constitute one of the important mechanical as well as biological factors in soil, and in the bot- Lateral field , Pharyngeal bulb , Pharynx , Salivary gland , Muscular Iiiyer , CulJcula . Hair . Esophagus, . Cuticula . Nerve-ring , Duct ot ventral gland., . Esophagus. , Nerve ring ,, Ridsc in ciilicula ;. Esophagus - Stria of cuticula i. Sub-cuticuV I. "Wing of culirul; I. Cuticula. Cardiac bulb 1. Dorsiil field I. Valvular apparatus ,, Its radial nnusclei ', Muscul ir layei ;. Wall of Intestine '. WinjT of cuticuh I. Ovum fit to , Blind end o^ary Intestine ... Yolk of egg. Nucleus of egg , Shell of egg. Internal lateral field . External lateral field . Intestine . Copulatory muscle , Wing of cuticula. Copulatory muscle Intestinal cell Accessory male ,., Ejaculatory duct Copulatory muscle Wing of cuticula . Constriction in spiculum Right-hand spicului Distal end spiculum Accessory piece Caudal gland Left wing of bursa Ibt caudal gland 2nd caudal gland 3rd caudal gland wall Bight wmg of bursa Diagram of Nematode structure. Fig. 766. Above, anterior end of female. (After Cobb.) Cephalic eeta Labial papilla Pharyngeal rib Pharynx or throat Phiirjngcal tooth Pharyngeal bulb Salivary gland Lateral or^an Esophagus tube Eye, with lens Excretory pore Ampulla Median bulb Is'i^rve-ring Ganglion celU Duct of ventral gland Duct of gland A lateral gland Cardiac bulb Valvular apparatus Wing or ridge in skia Cardiac collum Cardia Stomach or intestine Tessellation of sams Cuticula Wall of intestine Ventral gland Stnation in cutjcula Ripe ovum Uterus Unripe ovum in ovary Spermatozoa Fertilised egg in uterus Blind end of ovary I'olk of egg Vaginal gland Vulva Vagina Vaginal gland Lateral field Seminal vesicle Wall of same Spermatozoa Copulatory muscle Aciessory male organ Ductus ejacula
Size: 995px × 2511px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1918
