Testes

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1
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Testes

  • Paired

  • Shape

  • Size

  • Color

    • Breeding season

    • Quiscent

  • Attach to surrounding structures by

  • Location

    • Cranial

    • Caudal to

    • Ventral to

    • Dorsal to

  • Why in some animals they have dark testicles 

Paired: Yes

Shape: Bean

Size: Varies but one side is larger than the other (left) 

Color:

  • Breeding season: Whitish

  • Quiscent: Yellow

Attach to surrounding structures by: Mesorchia

Location:

  • Cranial: End of kidney

  • Caudal to: Adrenals

  • Ventral to: Abdominal sacs

  • Dorsal to: Proventriculus, liver and intestines

Dark testicles: Due to presence of melanin to reduce risk of mutation 

<p><strong><u>Paired:</u> </strong><span style="color: blue;"><strong>Yes</strong></span></p><p><strong><u>Shape:</u> </strong><span style="color: blue;"><strong>Bean</strong></span></p><p><strong><u>Size:</u> </strong><span style="color: blue;"><strong>Varies</strong></span> but <span style="color: blue;"><strong>one side</strong></span><strong> </strong>is <span style="color: blue;"><strong>larger</strong></span><strong> </strong>than the <span style="color: blue;"><strong>other (<em>left</em>)&nbsp;</strong></span></p><p><strong><u>Color:</u> </strong></p><ul><li><p><strong><u>Breeding season:</u> </strong><span style="color: blue;"><strong>Whitish</strong></span></p></li><li><p><strong><u>Quiscent:</u> </strong><span style="color: blue;"><strong>Yellow</strong></span></p></li></ul><p><strong><u>Attach to surrounding structures by:</u> </strong><span style="color: blue;"><strong>Mesorchia</strong></span></p><p><strong><u>Location:</u></strong></p><ul><li><p><strong><u>Cranial:</u> </strong>End of <span style="color: blue;"><strong>kidney</strong></span></p></li><li><p><strong><u>Caudal to:</u></strong><span style="color: blue;"><strong> Adrenals</strong></span></p></li><li><p><strong><u>Ventral to:</u> </strong><span style="color: blue;"><strong>Abdominal sacs</strong></span></p></li><li><p><strong><u>Dorsal to:</u> </strong><span style="color: blue;"><strong>Proventriculus, liver</strong></span><strong> </strong>and <span style="color: blue;"><strong>intestines</strong></span><strong> </strong></p></li></ul><p><strong><u>Dark testicles:</u>&nbsp;</strong>Due to<strong> </strong><span style="color: blue;"><strong>presence</strong></span> of<strong> </strong><span style="color: blue;"><strong>melanin</strong></span> to<span style="color: blue;"><strong> reduce risk</strong> </span>of<strong> </strong><span style="color: blue;"><strong>mutation</strong></span><strong>&nbsp;</strong></p>
2
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<p>Label 1-4</p>

Label 1-4

1 = Testis 

2 = Kidneys

3 = Deferent duct 

4 = Cloaca 

<p><strong>1 = Testis&nbsp;</strong></p><p><strong>2 = Kidneys</strong></p><p><strong>3 = Deferent duct&nbsp;</strong></p><p><strong>4 = Cloaca&nbsp;</strong></p>
3
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Testes are covered by but have a lack of?

Covered by: Tunica albuginea which is covered by serosa 

Lack of: Tunica vaginalis 

4
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Seminiferous tubule is open to?

Rete testes

5
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What do the testes do not have?

  • Tunica vaginalis

  • Mediastinum

  • Scrotum