BIOL 2030 Chapter Notes - Chapter 6: Oviduct, Ileum, Salivary Gland
26 Feb 2017
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In males first and second pair of swimmerets are modified to form gonopods(used for sperm transfer) (cid:131) *females will not have thesethis is how you would distinguish the sex. Male genital opening on 5th walking leg. Female genital opening on 3rd walking leg (cid:120) (cid:120) Gametes form in the testis and then mature in the seminal vesicles. Identify: (cid:190) rostrum (cid:190) eyes (cid:190) telson (cid:190) gills (cid:190) table 6. 1. Body divided into three sections: head, thorax, abdomen. Thorax is further divided: prothorax, mesothorax, metathroax. Male abdomen is narrow compared to that of the female. Male gonophyses are used to grip females ocipositor during copulation (cid:120) Identify: (cid:190) head (cid:190) sensory structures: labial, maxillary palps (cid:190) thorax (cid:190) spiracles (cid:190) abdomen, tergits: dorsal elements of abdomen, sternites: ventral elements (cid:190) tubular heart (cid:190) anus (cid:120) In female large off-white ovaries will be visible. Posterior end of ovary leads to the oviduct (cid:120)
