. The earthworms (lumbricidae and sparganophilidae) of Ontario. Lumbricidae; Worms. segment (Fr. segment m.) A portion of the body, along the anteroposterior axis, be- tween two consecutive intersegmental fur- rows and the associated septa. Segments are numbered with lower case roman nu- merals, i, ii, iii, etc., beginning anteriorly with the peristomium as i. The older sys- tem and some microdrile workers used up- per case numerals, I, II, III, etc. seminal receptacles See spermathecae. seminal reservoirs See seminal vesicles. Trr. seminal vesicles (Fr. vesieules seminales f.) (sv) The storag
. The earthworms (lumbricidae and sparganophilidae) of Ontario. Lumbricidae; Worms. segment (Fr. segment m.) A portion of the body, along the anteroposterior axis, be- tween two consecutive intersegmental fur- rows and the associated septa. Segments are numbered with lower case roman nu- merals, i, ii, iii, etc., beginning anteriorly with the peristomium as i. The older sys- tem and some microdrile workers used up- per case numerals, I, II, III, etc. seminal receptacles See spermathecae. seminal reservoirs See seminal vesicles. Trr. seminal vesicles (Fr. vesieules seminales f.) (sv) The storage sacs for an earthworm's own sperm until copulation. septum (pi. septa) (Fr. cloison f.) (sep) The internal partition at intersegmental furrows. Also acts as a supporting membrane for internal organs (Fig. 2). seta (Fr. soie f.) (s) A solid rod or bristle se- creted by cells at the ental end of a tubular epidermal ingrowth, the setal follicle. Setae are of several types: 1) general: sigmoid shape with pointed outer tip; 2) genital: asso- ciated with genital tumescences and/or go- nopores, and not sigmoid; 3) penial: associ- ated with the male pores and not sigmoid. Individual setae are referred to as a, b, c, dy as shown in the first diagram of this Glossary, a being the most ventral and d the most lateral of the setae on a particular Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Reynolds, John W. , 1941-; Royal Ontario Museum. Toronto : Royal Ontario Museum
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Keywords: ., bookcentury1900, bookcollecti, bookleafnumber42, booksubjectworms
