Seminiferous tubules - Study guides, Class notes & Summaries

___ million are still present at birth - 1 ___ million primary oocytes form during fetal development - 7 ____ ____ changes monthly in response to female sex hormones - stratum functionalis ____ ____ forms around secondary follicle - thecal layer ____ % of US boys are circumcised vs 15% in rest of world - 60 ____ functional gamete per primary oocyte - 1 _____ _____ stimulates release prostaglandins by placenta - fetal oxytocin _____ ______ provides protection against physical trauma and fi...

ANSC 1401 Exam 4 Latest Version Graded A+ reproductive efficiency # live offspring born in a period of time importance of repro efficiency more born --> more to sell-->stability of operation repro efficiency effect on maintenance cost/unit more babies--> lower cost/unit repro efficiency effect on selection process more babies--> greater oppurtunity for genetic improvement species differences know what environment, management, and goal is best for each animal phy...

Sawey Contemporary Issues in Biology Exam 1 Questions and Answers 2024 What is the pathway of sperm? - Answer- seminiferous tubules, stored in epididymis, vas deferens, urethra What are the accessory glands? - Answer- seminal vesicles, prostate gland, bulbourethral glands What do the seminal vesicles produce? - Answer- Mucus and fructose (nourishment for sperm) What does the prostate gland produce? - Answer- Thin milky white fluid that contains nutrients for sperm What do the bulbouret...

Martin Caon Examination Questions and Answers in Basic Anatomy and Physiology Third Edition Chapter 15: Reproductive System 15.1 Reproductive Anatomy 1. Where are the male ejaculatory ducts? a. In the testicles before the epididymis b. In the penis c. Between the bulbourethral glands and the urethra d. At the end of the vas deferens (ductus deferens) Answer is D: The ejaculatory ducts commence where the ducts of the seminal glands join the vas deferens and end where the vas defe...

testes - produces the male spermatozoa spermatogenesis - development of sperm cells=in seminiferous tubules scrotum - pouch that contains the testes Cowper's glands (a.k.a. bulbourthral) - lubricates the urethra, neutralizes acidity from urine that can destroy sperm prostate gland - organ that surrounds the neck of the bladder, secretes fluid that mixes with fluid from seminal vesicles to promote sperm motility androgens - male sex hormones vas deferens (a.k.a. ductus defere...

reproductive efficiency : # live offspring born in a period of time importance of repro efficiency : more born --> more to sell-->stability of operation repro efficiency effect on maintenance cost/unit : more babies--> lower cost/unit repro efficiency effect on selection process : more babies--> greater oppurtunity for genetic improvement species differences : know what environment, management, and goal is best for each animal physiology influence on repro efficiency : doe...

Contemporary Issues in Biology Exam 1 (TCU, Hale) Exam Questions and Answers 2024 Scientific Method - Answer- 1. Make Observation 2. Test the Hypothesis 3. Results 4. Submission of paper to scientific journal 5. Peer Review Experimental Group - Answer- The variable being tested is present Control Group - Answer- The variable being tests is absent (placebo) Horned Lizards - Answer- 1. Nearly 100% of diet is harvester ants 2. Threatened species in Texas Pseudo-Sciencec - Answer- A syste...

Contemporary Issues in Biology- Sawey TCU Exam 1 Questions and Answers 100% Pass pseudoscience - Answer- a system of ideas or misconceptions erroneously regarded as science testes - Answer- site of sperm & testosterone production, contain seminiferous tubules seminiferous tubules - Answer- coiled tubes in the testes epididymis - Answer- site of sperm maturation, a chamber sitting on top of each testis vas deferens - Answer- sperm pathway (left and right side) into the body cavity, loops ...

Glycogenolysis - breakdown of glycogen to glucose 46 chromosomes - diploid cells Glycogenesis - formation of glycogen from glucose trophoblast - is the wall of the blastocyst that becomes the placenta allele - An alternative form of a gene. BB - homozygous dominant Bb - Heteroxygous recessive in the fallopian tubes - Where does fertilization occur? fetus - the developing human organism from 9 weeks after conception to birth positive feedback - Nipple stimulation causes...

2024 CPPS 303 - Reproduction 2 ( Male Reproduction ) Complete Questions & Answers (Solved) 100% Correct 1. Gonads in Males Answer: Testes 2. Function of mature gonads (2) Answer: 1) Produce gametes (gametogenesis) - Males:spermatogenesis = spermatozoa - Females: oogenesis = ova/egg 2) Production of Sex Hormones - Males: testosterone - Females: estrogen/progesterone 3. Aromatase Answer: converts testosterone to estrogen - In males, they have little aromatase - In females, they ha...