. Practical anatomy of the rabbit : an elementary laboratory textbook in mammalian anatomy . Rabbits; Anatomy, Comparative. 46 Anatomy of the Rabbit. (8) The urinogenital system, comprising the reproductive and excretory organs, together with their common ducts—the urethra of the male and the vestibulum of the female—and the associated bulbourethral gland. The reproductive organs com- prise, in the male, the central organs or testes, and the deferent ducts, both of which are paired, the unpaired seminal vesicle, and the paired prostatic and paraprostatic glands. In the female, the reproductive
. Practical anatomy of the rabbit : an elementary laboratory textbook in mammalian anatomy . Rabbits; Anatomy, Comparative. 46 Anatomy of the Rabbit. (8) The urinogenital system, comprising the reproductive and excretory organs, together with their common ducts—the urethra of the male and the vestibulum of the female—and the associated bulbourethral gland. The reproductive organs com- prise, in the male, the central organs or testes, and the deferent ducts, both of which are paired, the unpaired seminal vesicle, and the paired prostatic and paraprostatic glands. In the female, the reproductive organs comprise the paired OVaries, uterine tubes and uteri, together with the unpaired vagina. The excretory organs of both sexes comprise the paired kidneys and ureters and the unpaired uriniary bladder. Certain organs of the body are not included in this classifi- cation: (i) The thymus and thyreoid glands are connected with the digestive tube in che embryonic condition, and for this reason are sometimes in- cluded with the digestive system, although in the adult they occur as independent structures. (2) The suprarenal body is situa- ted close to the kidney of either side, but is independent of the latter, both in the adult condi- tion and in point of develop- ment. (3) The special (olfac- tory, optic and auditory) sense- organs of the head are highly elaborated structures, the relations of which are partly with the central nervous Fig. 22. Rabbit-embryo of loi days ( mm.): m., mandibular; h., hyoid; i and 2, fiist and second branchial arches; , anterior limb-bud; me., metameres; , posterior limb-bud. (After Minot and -Taylor, in Keibels Normentafeln, v.; Fig. 12.) GENERAL ORGANIZATION. In the rabbit, as in all vertebrates, the general plan of organiza- tion involves three chief features, as follows: (i) Axial orientation. The axial line of the body is indicated by the chief portion of the skeleton, and the important organ-. Please note that these im
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