Anatomy of Penis in Mammals
Learn about the anatomical features and physiological processes involved in the erection of the musculocavernous penis in dogs, horses, and humans. Explore the structures like Glans penis, Corpora cavernosa, and the role of smooth muscles and nerves in erectile function.
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Quiz38 Questions
Study Notes1 Note
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Anatomy of Penis in Mammals
Quiz • 38 Questions
Study Notes
2 min • Summary
Materials
List of Questions38 questions
- Question 1
- To store sperm
- To produce testosterone
- To act as a transport medium for sperm
- To regulate body temperature
- Question 2
- Bull
- Boar
- Ram
- Stallion
- Question 3
- Mushroom-shaped
- Dorsoventrally flattened
- Twisted
- Spirally twisted
- Question 4
- Stallion
- Boar
- Bull
- Ram
- Question 5
- Stores urine
- Assists in copulation
- Relaxes to protrude the penis
- Contracts to retain the penis within the prepuce
- Question 6
- Ram
- Bull
- Boar
- Stallion
- Question 7
- Sciatic nerve
- Hypogastric nerve
- Pelvic nerves
- Pudendal nerve
- Question 8
- Bull
- Ram
- Stallion
- Boar
- Question 9
- Relaxes the smooth muscles in the walls of cavernous spaces
- Prevents swelling of the penis
- Causes engorgement of blood, leading to swelling
- Compresses the retractor penis muscle
- Question 10
- Ischiocavernosus and ischiourethralis
- Ischiocavernosus only
- Bulbospongiosus and ischiocavernosus
- Bulbospongiosus only
- Question 11
- Phimosis
- Paraphimosis
- Hypospadias
- Epispadias
- Question 12
- Horse
- Pig
- Man
- Dog
- Question 13
- Controls sympathetic tone
- Tonic contraction to maintain flaccidity
- Prevents engorgement of blood
- Contracts to aid in erection
- Question 14
- Bulbus glandis
- Prostate gland
- Cowper's gland
- Seminal vesicle
- Question 15
- Internal spermatic fascia
- Parietal vaginal tunic
- Superficial spermatic fascia
- External spermatic fascia
- Question 16
- Corpus Cavernosum
- Bulbus Glandis
- Os Penis
- Corpus Spongiosum
- Question 17
- Forms the copulatory lock
- Acts as a gland to produce seminal fluid
- Surrounds urethra to provide structural support
- Fills with blood during erection
- Question 18
- Corpus Spongiosum
- Corpus Cavernosum
- Os Penis
- Crura
- Question 19
- Ligament of the ischial arch
- Ligament of the tail of the epididymis
- Tail of the epididymis ligament
- Scrotal ligament
- Question 20
- Crura
- Corpus Cavernosum
- Corpus Spongiosum
- Os Penis
- Question 21
- Ossifies distally to provide rigidity to the penis
- Supports the penile urethra during copulation
- Involved in the copulatory lock mechanism
- Forms crura attaching penis to ischial arch
- Question 22
- External spermatic fascia
- Internal spermatic fascia
- Parietal vaginal tunic
- Ligament of the tail of the epididymis
- Question 23
- Site of testosterone production
- Site of sperm storage and maturation
- Invagination of the peritoneum
- Site of spermatogenesis
- Question 24
- Vaginal tunic
- Testicle
- Inguinal ligament
- Epididymis
- Question 25
- Invagination of the peritoneum
- Contains external pudendal vessels
- Testosterone production
- Site of storage and maturation of sperm
- Question 26
- Epididymis
- External pudendal vessels
- Inguinal ligament
- Vaginal tunic
- Question 27
- Storage and maturation of sperm
- Spermatogenesis
- Secretion of seminal fluid
- Testosterone production
- Question 28
- Erection mechanism
- Testosterone production
- Storage of sperm
- Maturation of sperm
- Question 29
- Erection mechanism
- Location in the reproductive tract
- Function during ejaculation
- Sperm production
- Question 30
- Protection
- Hormone production
- Spermatogenesis
- Sperm storage
- Question 31
- Testicular artery
- External cremaster muscle
- Pampiniform venous plexus
- Genitofemoral nerve
- Question 32
- Ductus deferens
- Mesoductus deferens & Mesorchium
- Pampiniform venous plexus
- Testicular nerve
- Question 33
- Gubernaculum
- Caudal gonadal ligament
- Pampiniform venous plexus
- Cremaster muscle
- Question 34
- Genitofemoral nerve
- Testicular nerve
- Ductus deferens
- External cremaster muscle
- Question 35
- Pampiniform venous plexus
- Caudal gonadal ligament
- Genitofemoral nerve
- Gubernaculum
- Question 36
- Gubernaculum
- Scrotal ligament
- Caudal gonadal ligament
- Cranial gonadal ligament
- Question 37
- External cremaster muscle
- Pampiniform venous plexus
- Ductus deferens
- Testicular artery
- Question 38
- Testes and epididymis with blood
- Supportive peritoneal fold including Mesoductus deferens & Mesorchium
- Cremaster muscle, spermatic cord, skin of scrotum, prepuce
- Carries sperm from epididymis to join urethra within pelvic cavity