Back to AI Flashcard MakerAnatomy and Physiology /Histology - Male Reproductive System
Histology - Male Reproductive System
This deck covers key concepts and structures related to the male reproductive system, focusing on histological features and functions.
seminiferous, open, euchromatic -nucleolus
Sustentacular cell
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Key Terms
Term
Definition
seminiferous, open, euchromatic -nucleolus
Sustentacular cell
“checkerboard” nucleus, middle layer
Primary spermatocyte
low back pain, urethral discharge, fever. Expressed prostatic secretions (EPS) culture
Prostatitis
Testis Septa
CT that divides testis into lobules
the specific location of meiosis, and the subsequent creation of gametes, namely spermatozoa.
Seminiferous tubules
tumors that arise from sustentacular cells or interstitial cells
Sex cord-stromal tumors
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| Term | Definition |
|---|---|
seminiferous, open, euchromatic -nucleolus | Sustentacular cell |
“checkerboard” nucleus, middle layer | Primary spermatocyte |
low back pain, urethral discharge, fever. Expressed prostatic secretions (EPS) culture | Prostatitis |
Testis Septa | CT that divides testis into lobules |
the specific location of meiosis, and the subsequent creation of gametes, namely spermatozoa. | Seminiferous tubules |
tumors that arise from sustentacular cells or interstitial cells | Sex cord-stromal tumors |
Testis dense CT capsule | Tunica albuginea |
inflammatory response within IT of testis (e.g., viral mumps in adults, syphilis) | Orchitis - scarring may cause infertility, T production often not significantly affected |
produce sperm | spermatogenic cells |
Semiferous epithelium, 3 layers | Seminiferous (germinal) epithelium, basement membrane, tunica propria |
nuclei along the BM | Spermatogonia |
Found from transitional zone. Associated with DHT, stromal cells convert T to DHT, dysuria, secondary UTIs (urine retention) | Benign prostatic hyperplasia (BPH) |
have the appearance of a mucus-secreting gland. lubricates the urethra with pre-seminal mucus | bulbourethral glands |
produce testosterone (T) | interstitial cells (of Leydig) |
defining histologyical feature of prostate gland | prostatic concretions |
testis are responsible for… | spermatogenesis: exocrine (holocrine) secretion of sperm AND steroidogenesis: endocrine secretion of testosterone |
yield primary spermatocytes by mitosis… | spermatogonia |
disruption of the B-T barrier, antisperm antibodies (ASA) | Immune infertility |
The seminiferous tubules are formed from… | primitive sex cords. It is the medullary cords which develop into the seminiferous tubules and the cortical cords regress. The cords were formed from the gonadal ridge. |
Interstitial tissue (IT) loose connective tissue stroma that contains… | fenestrated capillaries, interstitial cells (of Leydig): produce testosterone (T) |
Tumors that arise from spermatogenic cells; | Germ cell tumors, most common (95%). |
regulates glandular epithelium growth and metabolism | Prostatic acid phosphatase (PAP) |
small, dark nucleus, near lumen | Spermatid |
produce ABP, MIS, inhibin, fructose-rich fluid | sustentacular (Sertoli) cells |
days until the effects of an antispermatogenic agent are fully observable | 86 days, 74 in testis, 12+ to mature in epididymis |
Formed by tight junctions between sustentacular cells | Blood-testis barrier. Sequesters testosterone in luminal compartment -necessary for spermatogenesis. Gap junctions coordinate activity. |
Seminiferous tubules epithelium | sustentacular or Sertoli cells, which are tall, columnar type cells that line the tubule. |
primary spermatocyte divides meiotically into … | two secondary spermatocytes. Each secondary spermatocyte then completes meiosis as it divides into two spermatids which developninto mature spermatozoa (sperm cells). |
Seminiferous (germinal) epithelium: | spermatogenic cells and sustentacular cells |
most resistant to BPH, prostatitis, & cancer | Central zone |