Exam 1 - Lecture 4 Flashcards
- Cells comprised of motile reproductive cells
- Strictly for fertility
Sperm
Non cellular fluid component, provides an environment that help keeps sperm alive
The liquid component
Seminal plasma
The COMBINATION of cellular and non cellular components which are released during ejaculation
Semen
Semen manufacturing complex:
Manufacturing center: —-
Maturation center: —-
Warehousing center: —-
Final alteration and packing: —-
Delivery system: —-
Testes
Epididymis
Tail epididymis
Accessory sex glands
Penis
Central collection area
Mediastinum
Active region
Parenchyma
white coat. Membrane that hold everything toether
Tunica Albuginea
What are three Parenchyma: Tubular compartment
——- Peritubular cells
—— Lamina
————— Epithelium
Myoid Peritubular cellls
Basal Lamina
Seminiferous Epithelium
Contractile and secretes growth factor
Myoid Peritubular cells
Created by MPC and SC
Are anchors
Basal Lamina
Contains Sertoli cells
Seminiferous Epithelium
What does sertoli contain?
contains aromatse that convert T to Estradiol
The Interstitial Compartment contains what
rasculature
Lymphatics
Nerves
Leydig cell
What are leydig cells
Makes testosterone and androgen production
Testicular lobule: each lobule is comprised of
Seminiferous tubules
What are the compartment of Testicular Lobule
Tunica vasculosa
Where is the lobule drain to
through the rete tubule into the mesenephric duct
What are the three section of the epididymis
Head
Body
Tail
Where does maturation of the sperm occur
the head of epididymis
where are majority of the sperm located and stored
body and tail
Where is the sperm emptied to
Ductus Deferens
Spermatic cord: extends through the _________ canal.
- Contains the ________ artery and vein.
- ________ and _______ tissue
- ______ muscle, and __________
inguinal canal
testicular
lymphatic and nervous
ductus deferens
What is accessory sex glands
produces seminal fluid
What are the 5 accessory sex glands
- Ampulla of ductus deferens
- Seminal vesicles
- prostate gland
- bulbourethral gland
- prepartial glands
Functional components of Seminal Plasma:
- Provides energy _________
- Helps with sperm ________
- Has semen _________ regulators
- Has __________ capacity- _________
- ___________
Energy substrate
Stability
pH regulators
Buffering capacity - osmolality
Proteins
Ampulla:
enlargement of the —-. just prior to the connection with the —-. Primarily acts as a —-
Ductus deferens
urethra
reservoir
Seminal Vesicles (vesicular gland):
paired —– wall glands. Contribute a significant volume of —-
Produce —- which thickens semen
thin
fluid
gel fraction
Prostate: most common accessory —- gland.
Corpus is —- urethra, while Piesemite is in —- of urethra.
sex
outside
wall
Bulbourethral gland:
distinctly ________ structure
also known as —-.
produces —- fraction.
Flushes —- residues from urethra.
paired
Cowper’s
gel fraction
urine
What is sialomucin
gel fraction in the boar
Penis:
—- is attached to the penile muscles.
—- is main portion of the penis.
—- highly enervated, where it interacts with the cervix during intercourse
Base
Shaft
Glans Penis
Glans penis requires cervix to activate transport of the sperm for fertilization
True
Vascular: The penis is composed primarily of
erectile tissue in two compartments
Corpus vacernosum
Corpus spongiosum
What do the Corpus spongiosum help with erection
fill up the sponge to cause an erection. increasing in diamater
Erection is caused by engorgement of erectile tissue with —-
blood
Fiberelastic penis type: limited volume of —- tissue large amount of —- tissue. Erection stiffens, but doesn’t meaningfully —- length/diameter of penis
erectile tissue
connective tissue
expand
Sigmoid flexure penis:
—- shaped bend in the penile shaft.
Maintained by pair of —- penis muscles.
prior to erection penis is kept in the —-. (boar, ram, buffalo)
S shaped
retractor penis
prepuce
baculum (os penis): —- structure is found in the penis. (bats, rhodents, carnivores)
Bone
Are os penis present in ungulates and humans
NOPE
Differences in birds:
- rudimentary —-;
- no —- —- —-
- no —-, —-
- non —- phallus (lymph, not blood flowing)
- Presence of ________
epididymous
accessory sex glands
bladder, urethra
erectile phallus
Cloaca
What are three compartment of the Cloaca
Urodeum
Coprodeum
Proctodeum
To be considered a penis what must it have
erectile
A common opening for the reproductive, digestive, and renal systems
Cloaca
What is the function of the urodeum
urine and reproduction
What is the function of the coprodeum
GI tract
What is the function of the proctodeum
Mixed of both the coprodeum and urodeum
What is the phallus
extension floor of the proctodeum, is on the ventral lip of the cloaca
Bird “erections”: —- is in ventral lip of cloaca. Phallic swelling is attributed to a —- like transudate formed at the —- body
With —-, the lymph fluid drains into the lymph —- to flow into the —- system
Phallus
lymph
vascular
detumescense
vessel
venous
