what to do with male chickens

What is the function of the penis?

The penis is the copulatory organ of the external male genitalia. Its functions are to provide an outlet for urine and seminal fluid, as it transmits the urethra . Penis structure: Root (bulb and crus of penis), shaft (corpora spongiosa, corpus spongiosum, urethra), and glans of penis.

How do spermatozoa get to the testis?

Each of them plays a vital role in spermatogenesis. Spermatozoa are conveyed from the testis via the epididymis and its continuation the ductus deferens (vas deferens). Ductus deferens leaves the scrotum by traversing the spermatic cord. Testes and epididymides are supplied by the testicular arteries.

Which nerves are involved in innervation of the penis?

Innervation of the penis is handled by three major nerves: Pudendal nerve - provides sensory and sympathetic input involved in ejaculation. Pelvic splanchnic nerves - provide parasympathetic innervation involved in erectile function via the prostatic plexus. Ilioinguinal nerve - supplies the skin of the penile root.

Where is the root of the penis?

The root is found in the superficial perineal pouch, attaching the penis to the perineum. It contains the bulb of penis, as well as the paired crus of penis. The penile body (shaft) consists of three erectile tissues: the unpaired corpus spongiosum and paired corpora cavernosa (singular: corpus cavernosum).

What is the most distal portion of the corpus spongiosum?

The glans penis is the most distal portion of the corpus spongiosum. A duplicature of skin called the prepuce (foreskin) surrounds the glans and protects it. The tip of the glans is free of prepuce, and features the external urethral orifice.

How many babies have cryptorchidism?

It is present in about 3% of full-term babies and 30% of premature infants. Presence of both testes should be always confirmed after the birth by scrotal palpation. It is an important check to perform as cryptorchidism affects fertility and undescended testes carry greater risk for malignant alterations.

Which nerves provide parasympathetic innervation?

Pelvic splanchnic nerves - provide parasympathetic innervation involved in erectile function via the prostatic plexus. Ilioinguinal nerve - supplies the skin of the penile root. Mnemonic. An easy way to remember which sensory input is involved in each action is to use the mnemonic ' P oint & S hoot'.

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what to do with male chickens
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