Lab Assignment 22: Male Reproductive System PDF

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Summary

Testis and other male reproductive organs. Sandig...

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Notes: Please adhere to the guidelines explained in Histology 101, which can be found under the Laboratory tab on our OWL site. Marks may be deducted if you do not read and follow these instructions.

Assignment 22: Male Reproductive System 1. Using screen shots from Slide 73 – Testis II, label ten structures relevant to today’s lab (5 marks) Late spermatid is labelled wrong (-0.5), The spermatozoa you circled are late spermatids (spermatozoa are free in the lumen) (-0.5)

Tunica albuginea (dense irregula tissue) Tunica vasculosa Seminiferous tubule

Seminiferous epithelium

Sertoli Cell

Primary Spermatocyte

Spermatazoa

Late Spermatid

Spermatogonium Early Spermatid

2. Using the chart below, provide one identifying feature for each cell type. (3 marks) Cell Type

Identifying Feature

Spermatagonia

Single cell lining sitting on the basement membrane

Spermatazoa

Smallest nuclei of the bunch with an oval shape

Primary Spermatocyte Condensed patchy nucleus with chromosomal threads Early Spermatid

Smaller and dark-staining nucleus

Late Spermatid

Smaller and dark-staining nucleus closer to the lumen than early spermatid

Sertoli Cell

Entire length of the seminiferous epithelium with large oval nuclei

3. Using screen shots from Slide 87 – Epididymis, label four structures relevant to today’s lab (4 marks) Smooth Muscle

Pseudostratified columnar epithelium with stereocilia

Basal cell

Principal cell

4. Using screen shots from Slide 91 – Penis, label six structures relevant to today’s lab (3 marks)

Dorsal vein Corpus spongiosum Dorsal artery

Urethra

Corpus cavernosum

Central artery...