Normal sexual differentiation occurs in three sequential steps—establishment of chromosomal (genetic) sex, development of gonadal sex, and development of phenotypic sex. Errors in the establishment of chromosomal, gonadal, or phenotypic sex cause abnormal sexual differentiation. Affected individuals are identified with a wide variety of patterns from ambiguous genitalia, to apparently normal genitalia with sterility or infertility. When a patient is suspected of having a disorder of sexual development, analysis of the chromosomal constitution and complete gross and histopathologic description of the gonads, internal and external genitalia are required to correctly categorize the type of disorder.
Dogs and children
Dogs and children can be great friends and having a dog can help children develop kindness, understanding and respect for living things. Dog companionship can improve a child’s social skills with people while caring for a pet can encourage responsibility.
17 Funny Pet Stories That Will Brighten Your Day
We love our pets for a whole bunch of reasons. They give us cuddles. They’re adorable. They keep us active. But perhaps most importantly, they’re the world’s best comedians. To help put a smile on your face today, we’ve uncovered the funniest pet stories out there, from a “coughing” snake, to a cat who accidentally got stuck in a pile of tape. And for more amazingly adorable pet tales, check out The 30 Most Adorable Animal Stories of 2023
Creating the Best Case Scenario for Cats and Dogs Living Together
Are you one of those excited pet parents who are keen to grow their family? Cutesy videos of cats and dogs playing together and the popular comic Pixie and Brutus could have influenced your choice of the next addition to your family.
The Human-Animal Bond: Matchy-Matchy Fashion is Growing in Popularity
The human-animal bond improves lives. The mutually beneficial, dynamic relationship between people and animals is influenced by behaviors that are essential to the health and well-being of both. This includes, but is not limited to, emotional, psychological and physical interactions of people, animals and the environment.
Nurturing Friendships Between Cats and Dogs
Contrary to popular belief, cats and dogs can be the best of friends. It all depends on how you introduce them to each other, and how you nurture their mutual friendship.
8 Expert Tricks to Help Your Cat and Dog to Get Along
When people aren’t debating whether cats or dogs are more intelligent, they’re equating them as mortal foes. That’s a stereotype that both cat expert Jackson Galaxy, host of the Animal Planet show My Cat From Hell, and certified dog trainer Zoe Sandor wanted to break.
A comprehensive guide to traveling with pets
Traveling with a pet, especially for the first time, is a daunting and stressful task — for both you as well as your furry companion. (That’s why we typically suggest only traveling with your pet when necessary.)
Learn the best pet photography tips.
Explore the process of capturing pet portraits and get advice from pro pet photographers so you can help every dog (and cat) have its day.
What to Know Before Making Your Own Pet Food, According to a Veterinary Nutritionist
From healthy ingredients, homemade recipes, and meal prepping, here’s everything you need in your kitchen.