Lecture Notes week 14

Lecture Notes week 14 - Lecture #14 Reproductive anatomy of...

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Lecture #14 Reproductive anatomy of a male Penis organ of copulation o corpus cavernosum parallel chambers within the penis responsible for erections fill will blood o corpus spongiosum spongy tissue surrounding the urethra keeps the urethra from closing during erection o glans penis (tip) contains sensory nerves homologous to the clitoris o urethra pathway to the external environment for reproductive tract urinary tract species differences sheep have and added appendage on their penis o filiform appendage the penis of the boar is shaped like a corkscrew the stallion penis contains more erectile tissue than other livestock species. erectile muscles sigmoid flexure o s shaped configuration of the penis o only found on species with a fibroelastic penis o allows for the penis to be retracted into the sheath o found in livestock species retractor penis muscles o pair of smooth muscles o relax to extended penis o contract to retract penis into the body o work in conjunction with the sigmoid flexure Testis structures o parenchyma cells types Seminiferous tubules rete testis
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leydig cells o Epididymis three parts caput (head), corpus (body), cauda (tail) Seminiferous tubules
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Lecture Notes week 14 - Lecture #14 Reproductive anatomy of...

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