Human Reproduction Lecture Notes

Fill-in-the-blank flashcards covering key concepts from the human reproduction lecture notes.

The sperm cell is composed of three main parts: a head, a __, and a tail.

middle piece

The anterior portion of the sperm nucleus is covered by a cap-like structure called the __.

acrosome

The acrosome is filled with __ that aid in penetration of the ovum.

enzymes

The middle piece of the sperm contains numerous __ to supply energy for movement.

mitochondria

A human male ejaculates about __ million spermatozoa during a single coitus.

200

For normal fertility, at least __ per cent of sperm should have normal shape and size.

60

During oogenesis, the secondary oocyte forms a new membrane called the __.

zona pellucida

The tertiary follicle develops into the mature __ follicle in the ovary.

Graafian

Release of the secondary oocyte from the ovary is known as __.

ovulation

Unlike spermatogenesis, the secondary oocyte retains the bulk of the nutrient-rich __ of the primary oocyte.

cytoplasm

After the first meiotic division in oogenesis, the first polar body usually __.

degenerates

For normal fertility, at least __ per cent of sperm should exhibit vigorous motility.

40