Sperm in a sentence

Sperm donors are sorted according to procedure – I’m looking for IUI donors (fast-swimming sperm) as opposed to IVF donors, which don’t require the same speed (during IVF, the sperm is handily united with the egg in a petri dish).

Seafood, especially salmon is filled with omega fats that are great to promote sperm count, sperm mortality and the shape of the sperm.

Also, compared with samples obtained from masturbation, semen samples from collection condoms have higher total sperm counts, sperm motility, and percentage of sperm with normal morphology.

Females can store sperm in two places (1) the buccal cavity where recently mated males place their spermatophores, and (2) the internal sperm-storage receptacles where sperm packages from previous males are stored.

The sperm cells are stored in the same area of the gonad as the oocytes until the first oocyte pushes the sperm into the spermatheca (a chamber wherein the oocytes become fertilized by the sperm).

Chronic epididymitis itself has no serious consequences, but when accompanied by sexual dysfunction and reproductive dysfunction, it will cause damage to sperm, affect the number and vitality of sperm, and aggravate the disease, resulting in infertility.

Sperm does regenerate itself every 70 days, so if a man has been in a jacuzzi recently, he can change his lifestyle and regenerate sperm,” said Dr. Frederick.

Sperm taken from males originating from high moisture sites had significantly longer tail and head lengths on average, resulting in greater total sperm lengths.

In one grade A incident – the most serious – an embryologist failed to verify the donor sperm process when preparing laboratory records, which caused the wrong father’s sperm to be used.

Professor Pacey explains the effect on sperm is because both finasteride and anabolic steroids lead to the shutdown of the crucial hormone produced by the brain which tells the testicles to produce sperm.

Specifically, removing all copies of both X-linked gene families prevented male mice from producing sperm; they were unable to transform round cells to the elongated cells with a head and tail we recognize as sperm.

The research team discovered that the compound could increase the proportion of healthy shaped sperm, and boost ‘fast swimming’ sperm count by around 40 per cent.

The swimming skills of sperm have been studied before, but scientists at Cornell looked specifically at how sperm fared when they reached narrow parts in the female reproductive tract, such as the small opening from the uterus to the fallopian tubes.

Vegetarians and vegans had significantly lower sperm counts compared with meat eaters, 50 million sperm per ml compared with 70 million per ml.

In addition to the strandings on the South Island this week, a group of 12 pygmy killer whales also beached in New Zealand's far north and a sperm whale and a pygmy sperm whale grounded themselves in separate incidents on the North Island.

After finding the egg, the sperm penetrates the jelly coat through a process called sperm activation.

After the sperm penetrates the zona pellucida, part of the sperm's cell membrane then fuses with the egg cell's membrane, and the contents of the head diffuse into the egg.

As the female lays eggs, the male positions himself alongside or slightly above them, spraying the eggs with sperm while swaying his tail and moving his hind limbs, which disperses the sperm uniformly.

Eggs and sperm are released into the coelom, and sperm exit into the water through pores in the tips of some of the tentacles, and then are captured by the feeding currents of zooids that are producing eggs.

Fertile cervical mucus promotes sperm life by decreasing the acidity of the vagina, and also it helps guide sperm through the cervix and into the uterus.