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10 γεγονότα που πρέπει να γνωρίζετε για τα σπέρκα

Σπερματοζωάριο (πληθυντικός: σπερματοζωάρια) με σπέρμα ή πλήρες επιστημονικό όνομα είναι το αναπαραγωγικό κύτταρο που ανήκει σε αρσενικά άτομα.

Η παραγωγή αυτών των κυττάρων στους όρχεις αρχίζει κατά την εφηβεία. Μεταφέρει Κληρονομικές πληροφορίες (DNA) που θα μεταφέρει στο αυγό κατά τη γονιμοποίηση στο τμήμα κεφαλής. Έχει ουρά και κινείται. Στους ανθρώπους, περίπου 150-200 εκατομμύρια σπέρκα απελευθερώνονται κατά τη διάρκεια ενός ζευγαρώματος. Ωστόσο, μόνο ένα κύτταρο σπέρματος μπορεί να γονιμοποιημένα το αυγό. Όταν ένα σπέρμα φτάσει σε ένα αυγό (ωοκύτταρο), αφήνει την ουρά του έξω για να εισέλθει στο αυγό και περνά τις Κληρονομικές πληροφορίες στα αυγά. Σπέρκα βρίσκονται σε ένα πυκνό υγρό. Το όνομα αυτού του υγρού είναι σπέρμα (Ersuyu), εκέλιγμα ή συνήθως χρησιμοποιείται με τη μορφή σπέρμα.

Ο επικεφαλής του Spermatozois μοιάζει με το φτυάρι του αρτοποιού και περιέχει Κληρονομικές πληροφορίες. Υπάρχει μια δομή που ονομάζεται Akzoroma που τυλίγει το τμήμα της κεφαλής σαν ένα καπάκι και περιέχει τα ένζυμα που είναι απαραίτητα για την spermatozoside να περάσει μέσα από το τοίχωμα των ωαρίων. Όταν το σπερματικό κύτταρο φτάσει στο αυγό, τα ένζυμα στην ακρομεμβράνη απελευθερώνονται, επιτρέποντας στα σπερματοζωάρια να εισέλθουν στο αυγό. Ο αριθμός n των αρσενικών υλικών DNA που έρχονται σε συνδυάζεται με μια σειρά από γυναικεία υλικά DNA και αποτελούνται από 2n αριθμούς των υλικών DNA (αυτό το κύτταρο ονομάζεται ζυγωτή). Στη συνέχεια, στο ζυγιστό, τα κύτταρα αρχίζουν να πολλαπλασιάζονται διαιρώντας. Τα χρωμοσώματα Χ και Υ που μεταφέρονται από το Spermatozoas στο σχηματισμό του φύλου είναι αποφασιστικά. Όταν το θηλυκό αναπαραγωγικό κύτταρο φέρει χρωμοσώματα X, τα μισά από τα αρσενικά αναπαραγωγικά κύτταρα X και το άλλο μισό μεταφέρουν το χρωμόσωμα Y. Εάν το θηλυκό αναπαραγωγικό κύτταρο γονιμοποιήσει σπερματοζωάριο με X χρωμόσωμα, τα χρωμοσώματα γίνονται XX και το φύλο του ατόμου γίνεται θηλυκό, ενώ αν το σπερματοζωάριο που φέρει το Υ είναι λίπασμα, το φύλο του ατόμου γίνεται αρσενικό. Ωστόσο, υπάρχουν ορισμένες εξαιρέσεις. όπως XXY, x0 μπορεί επίσης να συμβεί με κληρονομικά άρρωστα άτομα.

Αν και το σπέρμα ομιλείται στον ιατρικό κόσμο, τα αποτελέσματα, τα οφέλη ή το περιεχόμενό του δεν μιλούν σχεδόν καθόλου από τον άνθρωπο. Αλλά οι πληροφορίες είναι πολύ ενδιαφέρουσες. Εδώ είναι 10 ενδιαφέρουσες πληροφορίες που δεν ξέρετε για το σπέρμα.

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