Spermatogenesis

Réussis tes devoirs et examens dès maintenant avec Quizwiz!

Interstitial endocrine cells are also called _____ Cells

Leydig

Anterior to the nucleus head of the sperm is the ______, which contains enzymes necessary for penetration of the egg

acrosome

Spermatids have to much extraneous ______ to function well in a reproductive capacity

cytoplasm

LH stimulates _________ ________ cells to produce testosterone, which acts synergistically with FSH to stimulate sperm production

interstitial endocrine

_________ ________ cells lye external to and between the seminiferous tubules

interstitial endocrine

Anterior to the nucleus head of the sperm is the acrosome, which contains enzymes necessary for _________ of the egg

penetration

FSH is secreted from the ______ ________

posterior pituitary

A __________ __________ undergoes a growth phase before it is ready for meiosis I

primary spermatocyte

Spermatogonium undergoes mitosis to a ______ _____ that is ______

primary spermatocyte, 2n

Each ________ ________ forms two spermatids

secondary spermatocyte

There are two _______ ________ after meiosis I

secondary spermatocytes

Primary spermatocytes under meiosis I to form _________ _________ that are ___

secondary spermatocytes, n

Spermatogenesis occurs in the __________ _________ of the testes

seminiferous tubules

interstitial endocrine cells lye external to and between the _________ ________

seminiferous tubules

LH stimulates interstitial endocrine cells to produce testosterone, which acts synergistically with FSH to stimulate _____ production

sperm

The sustenocytes or sertoli cells nourish the spermatids as they begin their transformation into _____

sperm

Each secondary spermatocyte forms two ________

spermatids

Spermiogenesis converts ________ into functional sperm

spermatids

The sustenocytes or sertoli cells nourish the _______ as they begin their transformation into sperm

spermatids

There are a net four _______ from meiosis II

spermatids

Secondary spermatocytes undergo meiosis II to form ________ that are __

spermatids, n

FSH stimulates mitotic division of spermatogonia to begin ___________

spermatogenesis

Human sperm production is called _____________

spermatogenesis

____________ is the process of gametogenesis in males

spermatogenesis

Before puberty, all divisions of ___________ are mitotic

spermatogonia

The primitive sperm cell is termed the __________

spermatogonia

At puberty, each mitotic division of ___________ produces one spermatogonium and one primary spermatocyte

spermatogonium

At puberty, each mitotic division of spermatogonium produces one _________ and one ________ ________

spermatogonium, primary spermatocyte

Spermatids undergo _______ to form functional sperm that are n

spermiogenesis

The ________ or ______ ______ nourish the spermatids as they begin their transformation into sperm

sustenocytes, sertoli cells

Spermatogenesis occurs in the seminiferous tubules of the ______

testes

LH stimulates interstitial endocrine cells to produce ________, which acts synergistically with FSH to stimulate sperm production

testosterone

Spermatogonium is 2n or n?

2n

_________ to the nucleus head of the ______ is the acrosome, which contains enzymes necessary for penetration of the egg

Anterior, sperm

LH stimulates interstitial endocrine cells to produce testosterone, which acts synergistically with ____ to stimulate sperm production

FSH

_______ undergo spermiogenesis to form functional sperm that are n

Spermatids

_________ have to much extraneous cytoplasm to function well in a reproductive capacity

Spermatids

__________ occurs in the somniferous tubules of the testes

Spermatogenesis

___________ converts to a primary spermatocyte that is 2n

Spermatogonium

___________ converts spermatids into functional sperm

Spermiogenesis

A primary spermatocyte undergoes a growth phase before it is ready for ______

meiosis I

Primary spermatocytes under ________ to form secondary spermatocytes that are n

meiosis I

There are two secondary spermatocytes after _______

meiosis I

Secondary spermatocytes undergo _______ to form spermatids that are n

meiosis II

There are a net four spermatids from _______

meiosis II

The progression of ______ events can be followed form tubule periphery to the lumen

meiotic

Spermatogonium undergoes ______ to a primary spermatocyte that is 2n

mitosis

At puberty, each _______ division of spermatogonium produces one spermatogonium and one primary spermatocyte

mitotic

Before puberty, all divisions of spermatogonia are _______

mitotic

________ ________ cells are also called Leydig Cells

Interstitial endocrine

_____ stimulates interstitial endocrine cells to produce testosterone, which acts synergistically with FSH to stimulate sperm production

LH

_____ _______ under meiosis I to form secondary spermatocytes that are n

Primary spermatocytes

_______ _______ undergo meiosis II to form spermatids that are n

Secondary spermatocytes

interstitial endocrine cells lye _______ to and _____ the seminiferous tubules

external, between

True of false: Spermatids are functional gametes

false (they are not functional)

There are a net ___ spermatids from meiosis II

four

Spermiogenesis converts spermatids into _______ ________

functional sperm

Spermatids undergo spermiogenesis to form _________ ________ that are ___

functional sperm, n

Spermatogenesis is the process of __________ in males

gametogenesis

A primary spermatocyte undergoes a _______ ______ before it is ready for meiosis I

growth phase

The progression of meiotic events can be followed form tubule periphery to the ______

lumen

The progression of meiotic events can be followed form the _______ _______ to the lumen

tubule periphery

Each secondary spermatocyte forms ___ spermatids

two

There are ____ secondary spermatocytes after meiosis I

two


Ensembles d'études connexes

Wound culture, Irrigation of the wound, preventing pressure injuries

View Set

Nursing Fundamentals Proffessionalism

View Set

What is the capital of the United States?

View Set

HR Chapters 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16

View Set

Area and Perimeter Basic Shapes Formulas

View Set

Unit test CA-Principles of American Democracy CR

View Set

I12 - Transplantation and Tumor Immunology

View Set